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Sample search results for: a-site cation ordering

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1 J. PHYS. IV FRANCE 7 ( 1997) ColloqueC1, Supplkmentau Journal de Physique I11 de mars 1997
 

Summary:  that of A-sites Mn+ ions because of the weaker ionic bonding of the B-sites as compared with the stronger A-sites... A-site Cu+ ions [4]permit us to attribute in the copper fenites the peak appearing at 290°C... to the oxidation of A-site Cu+ ions. The shoulder appearing at about 150°Cwas as a matter of ...

  

Source: Ecole Polytechnique, Centre de mathématiques

 

Collection: Mathematics

 
2 J. PHYS. IV FRANCE 7 (1997) Colloque C1, Suppl6ment au Journal de PhysiqueI11 de mars 1997
 

Summary:  - site locations relative to each other and to the 0 lattice. Tee A-site cations have 4 0 neighbors... , (d) Ni A-site cations, and (0 Zn B-site cations, as a function of Zn concentration (y). Prior... improves dramatically. Indeed, Fig. 2 (d) indicatesthat the amount of ...

  

Source: Ecole Polytechnique, Centre de mathématiques

 

Collection: Mathematics

 
3 First-principles investigation of the highly tetragonal ferroelectric material Bi(Zn12Ti12)O3 Tingting Qi, Ilya Grinberg, and Andrew M. Rappe
 

Summary:  active Zn and Ti cations and the coupling of A-site and B-site distortions allows extremely large cation... electrostatics. Repulsion be- tween the A-site and B-site cations, both of a direct and of through-oxygen kind... . For the tetragonal phase of BZT, we show that a planar ...

  

Source: Rappe, Andrew M. - Departments of Chemistry & Materials Science and Engineering, University of Pennsylvania

 

Collection: Materials Science ; Chemistry

 
4 Vol. 34 (2003) ACTA PHYSICA POLONICA B No 2 EFFECT OF A-SITE CATION SIZE MISMATCH
 

Summary:  Vol. 34 (2003) ACTA PHYSICA POLONICA B No 2 EFFECT OF A-SITE CATION SIZE MISMATCH ON FIRST-ORDER... of the A-site cation radius variation #27; 2 on the ferromag- netic (FM) and metal#21;insulator (M#21;I... for 8h in air. The mixing ratios of AE ions were selected so as to keep the ...

  

Source: Magiera, Andrzej - Instytut Fizyki, Uniwersytet Jagiellonski

 

Collection: Physics

 
5 This article was downloaded by:[Rappe, A. M.] [Rappe, A. M.]
 

Summary:  to assign intrinsic distortion preference magnitudes (D0 A) for the A-site cations as well (table 1). Mg... ) and ionic displacement (D0 ) for A-site ions found in ferroelectric perovskites. Ionic size... and accommodating the smaller A­O sublattice by shrinking the volume of the A-site. Such octahedral ...

  

Source: Rappe, Andrew M. - Departments of Chemistry & Materials Science and Engineering, University of Pennsylvania

 

Collection: Materials Science ; Chemistry

 
6 Crystal structure and dielectric properties of complex perovskite (Sr, Ba, Ca)(Ni0.5W0.5)O3
 

Summary:  form 16 January 2004; accepted 24 January 2004 Abstract A-site cation substitution with Ba2 + and Ca2... from monoclinic ! rhombohedral ! orthorhombic ! cubic with the corresponding A-site cation species... and conducted a serial A-site cation substitution with Ba2 + ...

  

Source: Messing, Gary L. - Department of Materials Science and Engineering, Pennsylvania State University

 

Collection: Materials Science

 
7 JOURNAL DE PHYSIQUE Collogue CI, supplement au n 4, Tome 38, Avril 1977, page Cl-107 APPARENT LOW A-SITE MOMENT IN Fe304
 

Summary:  A-SITE MOMENT IN Fe304 V. C. RAKHECHA, R. CHAKRAVARTHY and N. S. SATYA MURTHY Solid State Physics... neutron technique. The magnetic moment density integrated over circular areas about the A-site in the (110... ions. The A-site magnetic form factor points obtained from an analysis of A-site-only reflections ...

  

Source: Ecole Polytechnique, Centre de mathématiques

 

Collection: Mathematics

 
8 Cation Disorder in Ga1212 Kevin B. Greenwood, Donggeun Ko, Douglas A. Vander Griend, Gregory M. Sarjeant,
 

Summary:  structures (ABO3-) contain multiple cations on the A-sites. Copper-oxygen planes, which can support supercon... + is smaller and prefers A-sites in layered cuprates such as the 8-coordinate site between cuprate planes... materials.10 In order to understand cation disorder in the Ga1212 ...

  

Source: Poeppelmeier, Kenneth R. - Department of Chemistry, Northwestern University

 

Collection: Materials Science ; Chemistry

 
9 Effect of Explicit Cationic Size and Valence Constraints on the Phase Stability of 1:2 B-Site-Ordered Perovskite
 

Summary:  radius is less than or equal to that of strontium (rSr2+ ) 1.44 Å). Reducing the average A-site cation... only when the size of the A-site cation falls in the range of 1.39 Å e rA-site e 1.44 Å (Figure 13... Effect of Explicit Cationic Size and Valence Constraints ...

  

Source: Poeppelmeier, Kenneth R. - Department of Chemistry, Northwestern University

 

Collection: Materials Science ; Chemistry

 
10 First-principles calculation of defect-formation energies in the Y2,,Ti,Sn,Zr...2O7 pyrochlore Wendy R. Panero* and Lars Stixrude
 

Summary:  the oxides,17 and the 3+ -cation (A-site) radius. These relationships point to the in- terdependence... of A- and B-site cation radii show relatively constant values with respect to the A-site cation radius... Physical Society70 054110-1 #12;of the B-site over the ...

  

Source: Stixrude, Lars - Department of Geological Sciences, University of Michigan

 

Collection: Geosciences

 
11 Structural, Chemical, and Electronic State on La0.7Sr0.3MnO3 Dense Thin-film Surfaces at High Temperature Surface Segregation
 

Summary:  the ratio of the content of A-site cations to B site cations, (La+Sr)/Mn, and on the right side (red curve... promoted segregation of Sr by 12-20% on the A-site, accompanied by a smaller increase of (La+Sr)/Mn. Our... on the surface. However, the origin of the A-site segregation, the ...

  

Source: Yildiz, Bilge - Department of Nuclear Science and Engineering, Massachusetts Institute of Technology (MIT)

 

Collection: Materials Science ; Chemistry

 
12 Journal of The Electrochemical Society, 146 (2) 473-480 (1999) 473 S0013-4651(98)05-079-4 CCC: $7.00 The Electrochemical Society, Inc.
 

Summary:  group Cation position and occupancy 1. Varying octahedral site occupancy 11 Ordered HT-LiCoO2 R|3m 3a... ) when they are preferentially occupied. In the ideal ordered spinel, the 8a sites are fully occupied... a highly ordered ...

  

Source: Sadoway, Donald Robert - Department of Materials Science and Engineering, Massachusetts Institute of Technology (MIT)

 

Collection: Materials Science

 
13 LJournal of Alloys and Compounds 307 (2000) 149156 www.elsevier.com/locate/jallcom
 

Summary:  to exhibit cation ordering at the A-site (e.g. Refs. [8,10]). The degree of ordering and of structural... of the A-site cations. The highest degree of ordering is observed in non-stoichiometric perovskites... -valence cations, ...

  

Source: Chakhmouradian, Anton - Department of Geological Sciences, University of Manitoba

 

Collection: Geosciences

 
14 Perovskites by Design: A Toolbox of Solid-State Raymond E. Schaak and Thomas E. Mallouk*
 

Summary:  charged, it remains in the original perovskite block, so La2/3TiO3 has ordered A-site cations and defects... ordered or disordered A-site cations. The triple-layer Dion-Jacobson phase CsEu2Ti2- NbO10 (Figure 4g) can... + and A2+ cations in ...

  

Source: Mallouk, Thomas E.- Department of Chemistry, Pennsylvania State University

 

Collection: Materials Science ; Chemistry

 
15 Correlations between tetragonality, polarization, and ionic displacement in PbTiO3-derived ferroelectric perovskite solid solutions
 

Summary:  data P2 , average A-site off- center displacement squared DA 2 and average B-site off- center... on A-site displacement, and that the correlation between c/a-1 and DA 2 comes from the coupling between... .4. The overestimation of the A-site contribution in the fit of s data to P2 weakens the correlation and leads

  

Source: Rappe, Andrew M. - Departments of Chemistry & Materials Science and Engineering, University of Pennsylvania

 

Collection: Materials Science ; Chemistry

 
16 New Prospects for High Performance SONAR, Chemical Sensor, and Communication Device Materials
 

Summary:  interaction between the A-site and B-site cations. This arises due to unfavorable wavefunction overlap between... in ferroelectrics[19,20] . The repulsion between A-site and B-site cations is particularly strong for materials... where the large A-site displacements from high symmetry ...

  

Source: Rappe, Andrew M. - Departments of Chemistry & Materials Science and Engineering, University of Pennsylvania

 

Collection: Materials Science ; Chemistry

 
17 Chem. Mater. 1996, 7, 1355-1360 1355 Crystal Chemistry of Ln'Ln''Ba2Cu2Ti2011
 

Summary:  -coordinateA site, and the smallest A cation (Ln3+)occupies both the 8-coordinate and smaller 12... ,between O(2) planes is 3.74 A,and between O(2) and O(4)planes is 4.61 A. The three A-site cations Y3+,La3... of the constituent lanthanides has been investigated. Powder X-ray data show ...

  

Source: Poeppelmeier, Kenneth R. - Department of Chemistry, Northwestern University

 

Collection: Materials Science ; Chemistry

 
18 J. PHYS. IV FRANCE 7 ( 1997) Colloque C1, Supplkmentau Journal de Physique I11 de mars 1997
 

Summary:  the occupation of the tetrahedral sublattice plays an important role. Although 1:l and 1:2 cationic ordering on A-sites... because of the low ionic diffusion at lower temperatnres. However, short range A-site order may persist... be a result of this. To study this in more detlil, ...

  

Source: Ecole Polytechnique, Centre de mathématiques

 

Collection: Mathematics

 
19 JOURNAL DE PHYSIQUE Collogue CI, supplement au n 4, Tome 38, Avril 1977, page Cl-79 POLARIZED NEUTRON DIFFRACTION IN FERRITES
 

Summary:  in table I. The simpler form of A-site only amplitudes is to be espe- cially noted. For u differing from 0... of these reflections directly provide the A-site form factor. Other reflections have contribution from two or #12... ) (a) A) Site only : h + k -4 n +2, k -tI = 4 n -I-2, h + I = 4 n ; cyclic. (6) B) ...

  

Source: Ecole Polytechnique, Centre de mathématiques

 

Collection: Mathematics

 
20 J. Mol. Biol. (1996) 262, 421436 RNA Sequence Determinants for Aminoglycoside
 

Summary:  in regions of unusual RNA structure. The chemical modifi- cation pattern suggests that the A-site RNA... J. Mol. Biol. (1996) 262, 421­436 RNA Sequence Determinants for Aminoglycoside Binding to an A-site... Limited #12;Aminoglycoside Binding to A-site Oligonucleotide422 interaction between the tRNA ...

  

Source: Dahlquist, Kam D. - Biology Department, Loyola Marymount University

 

Collection: Biology and Medicine


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21 TAILORING ORBITAL SYMMETRY AND ORDERING : A novel route to search for new functional materials
 

Summary:  of CaCu3Ti4O12 Cu O Ca Cu Cu A' site A" site -1.6 0.3 e/Å3 orbital symmetry and disorder Cu O Ca Cu Cu A... ' site A" site -1.6 0.3 e/Å3 Cu O Ca Cu Cu Cu O Ca Cu Cu A' site ...

  

Source: Homes, Christopher C. - Physics Department, Brookhaven National Laboratory

 

Collection: Physics

 
22 ON THE INFLUENCE OF 3d4 IONS ON THE MAGNETIC AND CRYSTALLOGRAPHIC PROPERTIES OF MAGNETIC OXIDES (1)
 

Summary:  along the a axis. the tetragonallattice, however, the magnetic coupl- ing between an A-site cation and B... of these there is an ordering of the cations into alternate (111) planes which distorts the l attice to rhombohedral... of A-site Co2+ ions by Mn2+ ions suggests that the covalent ...

  

Source: Ecole Polytechnique, Centre de mathématiques

 

Collection: Mathematics

 
23 860003004X/99/01020086$05.00 American Mineralogist, Volume 84, pages 8691, 1999
 

Summary:  toward the A-cation, and the low- wavenumber band is assigned to an O-H dipole directed toward a vacant A-site... O; starred circles H; black square A-cation; open square vacant A- site. 1­6 are reference numbers... -nearest-neighbor) O3 anions either through the O3- O3 edge or across ...

  

Source: Ecole Polytechnique, Centre de mathématiques

 

Collection: Mathematics

 
24 The Canadian Mineralogist Vol. 38, pp. 657-668 (2000)
 

Summary:  of extra- framework anions and cations or to long-range Si, Al order. Samples of franzinite were... coordinated cations in the space group P321, the maximum-order subgroup of P¯3m1 allowing such distribution... A6 and A6a sites are 1.87(2) Å away each other and, ...

  

Source: Ballirano Paolo - Dipartimento Scienze della Terra, Università di Roma "La Sapienza"

 

Collection: Geosciences

 
25 Synthesis and Structure of LaSr2CuTiO6.5: A New Oxygen-Deficient Ruddlesden-Popper Phase
 

Summary:  in related materials, there is yet potential to induce ordering by chemical substitutions on the A-site... . A-site cations, such as lanthanum and strontium, which allow for such disorder on the oxygen... . The absence of local order and strategies for inducing a layered arrangement of the ...

  

Source: Marks, Laurence D. - Department of Materials Science and Engineering, Northwestern University; Poeppelmeier, Kenneth R. - Department of Chemistry, Northwestern University

 

Collection: Chemistry ; Materials Science

 
26 REDETERMINATION OF THE CATION DISTRIBUTION OF SPINEL (MgAl2O4) BY MEANS OF NEUTRON DIFFRACTION
 

Summary:  " normal " if the Mg atoms occupy the tetrahedral A-sites, only. However, on the space average, any... 447. REDETERMINATION OF THE CATION DISTRIBUTION OF SPINEL (MgAl2O4) BY MEANS OF NEUTRON DIFFRACTION... . Würenlingen (AG). Résumé. 2014 La distribution des cations dans une poudre de spinelle synthétique d

  

Source: Ecole Polytechnique, Centre de mathématiques

 

Collection: Mathematics

 
27 BioMed Central Page 1 of 11
 

Summary:  in eukaryotes. Over half of mammalian genes are alternatively polyadenylated. Our understanding of poly(A) site... evolution is limited by the lack of a reliable identification of conserved, equivalent poly(A) sites among... species. We introduce here a working definition of conserved ...

  

Source: Ecole Polytechnique, Centre de mathématiques

 

Collection: Mathematics

 
28 Temperature Dependence of Cation Distribution and Oxidation State in Magnetic Mn-Fe Ferrite Nanocrystals
 

Summary:  displacement parameters moments agreement factorsmeasurement order T (°C) cell edge a (Å) A-site B-site x(O) U... was cooled back to 25 °C, the antiferromagnetic order was restored. The cation distribution showed a 29... to an ordered cation distribution. When the ...

  

Source: Wang, Zhong L. - School of Materials Science and Engineering, Georgia Institute of Technology

 

Collection: Materials Science

 
29 Prediction of the [Na1/2Bi1/2]TiO3 Ground State
 

Summary:  . CONCLUSIONS If A-site cation ordering occurs in NBT it is clearly not of the NaCl-type. The predicted GS... , or NBT-PbTiO3 [6,11,12]; subject to the implicit assumption that A-site cations were disordered [12... .17 . FIGURE 1. A-site patterns of chemical ...

  

Source: Burton, Benjamin P. - Ceramics Division, National Institute of Standards and Technology (NIST)

 

Collection: Materials Science

 
30 Silver solid solution piezoelectrics Ilya Grinberga)
 

Summary:  have shown that Ag cations can be ferroelectrically active on the perovskite A-site. Alloying AgNbO3... the feasibility of using silver on the perovskite A-site in high-performance lead-free piezoelectrics... . Off-centering of the Pb atoms on the perovskite A-site has been shown to be crucial to the high

  

Source: Rappe, Andrew M. - Departments of Chemistry & Materials Science and Engineering, University of Pennsylvania

 

Collection: Materials Science ; Chemistry

 
31 Z .Journal of Power Sources 8182 1999 594598 www.elsevier.comrlocaterjpowsour
 

Summary:  octahedral cation ordering to spinel ordering with tetrahedral 8a site occupancy. These cycling effects... is characterized by tetrahedral 8a site occupancy even at compositions near x;1. Thus it is shown that even in Li... , electrochemical ...

  

Source: Sadoway, Donald Robert - Department of Materials Science and Engineering, Massachusetts Institute of Technology (MIT)

 

Collection: Materials Science

 
32 JOURNAL DE PHYSIQUE Colloque C6, supplkment au no 12, Tome 37, Dkcembre 1976, page C6-301 SURFACE MAGNETIC STRUCTURE OF SMALL r-FezOS PARTICLES
 

Summary:  primarily at the surface cations. It is known that the absorption associated with A-site ions should... were fitted with a total of only two six-line patterns, one for A-site cations, and the other for B... for the outer shell are calculated to be 580 for A-site ...

  

Source: Ecole Polytechnique, Centre de mathématiques

 

Collection: Mathematics

 
33 Nonmonotonic Composition Dependence of the Dielectric Response of Ba1-xCaxZrO3
 

Summary:  . The volume does not monotonically decrease but plateaus until Ca is the majority A-site cation. Squares... are relevant whenever doping a large cation perovskite A-site with a smaller cation. IV. Conclusions We... described for BCZ should be general to all dielectric perovskite systems ...

  

Source: Rappe, Andrew M. - Departments of Chemistry & Materials Science and Engineering, University of Pennsylvania

 

Collection: Materials Science ; Chemistry

 
34 This paper is dedicated to Professor J. M. Honig, in thanks for his friendship, his scienti"c accomplishments, and his many years of service to
 

Summary:  relative to the 1a site. B-site cation ordering was considered, but the structural models were inconsistent... the A-site ordered nondefective perovskites AEu Ti O (A"Ca, Sr) (15). Novel A-site defective cubic... the perovskite A sites, and ...

  

Source: Mallouk, Thomas E.- Department of Chemistry, Pennsylvania State University

 

Collection: Materials Science ; Chemistry

 
35 Superexchange interaction revisited: the role of the A-site cations in A CuO This article has been downloaded from IOPscience. Please scroll down to see the full text article.
 

Summary:  Superexchange interaction revisited: the role of the A-site cations in A CuO 3 (A=Se, Te... of Physics Superexchange interaction revisited: the role of the A-site cations in ACuO3 (A = Se, Te) Beom... .1088/1367-2630/12/7/073023 Abstract. To investigate the effects of A-site ...

  

Source: Min, Byung Il - Department of Physics, Pohang University of Science and Technology

 

Collection: Materials Science ; Physics

 
36 Charge-transfer electrostatic model of compositional order in perovskite alloys Zhigang Wu and Henry Krakauer
 

Summary:  shows 111 1:1 B-site ordering at all measured temperatures, and 001 1:1 A-site ordering occurs below 950... -site model. As seen in Fig. 3, weak 001 1:1 A-site ordering is also obtained in the simulations, in agreement... with measure- ments on samples annealed below 950 °C.9 Perfect 001 ...

  

Source: Wu, Zhigang - Department of Physics, Colorado School of Mines

 

Collection: Geosciences

 
37 Crystal Structure of Thioflavin T Bound to the Peripheral Site of Torpedo californica Acetylcholinesterase Reveals How
 

Summary:  -site. The affinity of ThT for the A-site of TcAChE was at least an order of magnitude lower than that for the P... accelerating the transfer of the substrate acyl group to a serine hydroxyl in an acylation site or A-site... at the base of the gorge. Thioflavin T is a useful reporter of ligand interactions with the ...

  

Source: Sussman, Joel L. - Department of Structural Biology, Weizmann Institute of Science

 

Collection: Biology and Medicine

 
38 Materials Chemistry and Physics 93 (2005) 224230 Microstructure characterization and cation distribution of nanocrystalline
 

Summary:  matrix, the occupancy of Fe3+ cation on (A) site becomes very close to normal and then increases... ) sites occupied by Fe3+ cations). The magnetic properties of a spinel ferrite are strongly dependent... ), a = 0.83998 nm (ICDD PDF # 88-1943)) with Mg2+ (A-site), Fe3+ ...

  

Source: Petkov, Valeri - Department of Physics, Central Michigan University

 

Collection: Materials Science ; Physics

 
39 La4Cu3MoO12: A Novel Cuprate with Unusual Magnetism Douglas A. Vander Griend, Sophie Boudin, Vincent Caignaert,
 

Summary:  between layers of lanthanum cations. In the B-cation layer, the copper cations order into a kagome... (Figure 1). The effective coordination of the A-site can be either 6 (InFeO3 and InMnO3) or 6 + 2 (YAlO3... that there are large deviations in the locations of ...

  

Source: Poeppelmeier, Kenneth R. - Department of Chemistry, Northwestern University

 

Collection: Materials Science ; Chemistry

 
40 PHYSICAL REVIEW B 83, 224108 (2011) Band-gap engineering via local environment in complex oxides
 

Summary:  -site and A-site displacement coupling,30 we observe large cation off centering and large polarization for all... .g., Ti 3d in PTO), respectively. In addition to the unusual presence of the A-site cation states... -principles calculations, we study how B-site ordering, lattice strain, ...

  

Source: Rappe, Andrew M. - Departments of Chemistry & Materials Science and Engineering, University of Pennsylvania

 

Collection: Materials Science ; Chemistry


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41 Computer simulation of Al-Mg ordering in glaucophane and a comparison with infrared spectroscopy
 

Summary:  (hereafter "A" site) can be vacant, full or partially occupied by large cations Na+ , K+ , Ca2+ and Pb2... ) has, via its bonding relations to O(4), in controlling the ordering of trivalent cations over... the octahedral sites in amphiboles. Key-words: glaucophane, ...

  

Source: Dove, Martin - Department of Earth Sciences, University of Cambridge

 

Collection: Materials Science ; Geosciences

 
42 Communication www.rsc.org/chemcomm
 

Summary:  of interlayer Na+ cations than are needed to fill the A-sites of a perovskite block, so divalent ion exchange... . Subsequent reduction can collapse the perovskite layers over the divalent A-site cations, resulting in the n... , the perovskite layers above and below the Ca2+ cations ...

  

Source: Mallouk, Thomas E.- Department of Chemistry, Pennsylvania State University

 

Collection: Materials Science ; Chemistry

 
43 TMS Letters TMS (The Minerals, Metals & Materials Society), 2004 Large Scale Simulations of Ferroelectricity in PbSc1/2Nb1/2O3
 

Summary:  to an A-site that is occupied by a Pb2+ -ion. fields at A-sites, that is caused by B-site cation disorder... is relatively simple: of the 28 = 256 possible configurations on the eight nn B-sites that surround each A-site... . Bull. 27, 201 (1989). Local fields at A-sites that have ...

  

Source: Burton, Benjamin P. - Ceramics Division, National Institute of Standards and Technology (NIST)

 

Collection: Materials Science

 
44 Proceedings of the Third ACL Workshop on Innovative Use of NLP for Building Educational Applications, pages 4452, Columbus, Ohio, USA, June 2008. c 2008 Association for Computational Linguistics
 

Summary:  in order to display the correspond- ing answer. The use of social Q&A sites for ed- ucational applications... Answering Learners' Questions by Retrieving Question Paraphrases from Social Q&A Sites Delphine Bernhard... questions in social Q&A ...

  

Source: Association for Computational Linguistics (ACL) Anthology

 

Collection: Computer Technologies and Information Sciences

 
45 Ab initio study of silver niobate Ilya Grinberg* and Andrew M. Rappe*
 

Summary:  in a large enough O6 cage. For the A-site, the options are more limited. Of the cations found... -atom unit cell or by alloying with PbTiO3. Other A- site cations found in simple perovksites with low... of the perovskite AgNbO3 to examine the feasibility of using silver on the perovskite ...

  

Source: Rappe, Andrew M. - Departments of Chemistry & Materials Science and Engineering, University of Pennsylvania

 

Collection: Materials Science ; Chemistry

 
46 JOURNAL OF VIROLOGY, 0022-538X/98/$04.00 0
 

Summary:  poly(A) site, and long transcripts (e.g., 5.6 kb), processed at the UL26 poly(A) site. The 1.4- and 5... 24 poly(A) site, which gives rise to short transcripts, is encountered first during processing, long... to stimulate the usage of weak poly(A) ...

  

Source: Knipe, David M. - Department of Microbiology and Molecular Genetics, Harvard University

 

Collection: Biology and Medicine

 
47 JOURNAL DE PHYSIQUE Colloque C2, supplkment au nO 3, Tome 40, mars 1979, page C2-320 A.A. ~irsch+and G. ~ a l e c z k i ~
 

Summary:  )) the profile of the second absorp- tion region become more simple : the A-site line (Y) and the broadened B... instabilities. Magnetite seems to contain at 0 K four kinds of cations : 17e3+, Fe2+, ~e'+ and ~e'+ in concentra... resolved above 15 K. The presence of cations with I+ ,and 1.5+ valences in the low-temperature phase ...

  

Source: Ecole Polytechnique, Centre de mathématiques

 

Collection: Mathematics

 
48 Degradation Mechanism in La0.8Sr0.2CoO3 as Contact Layer on the Solid Oxide Electrolysis Cell Anode
 

Summary:  contact layer of the tested SOECs. In doing so, consideration of the A-site cation segregation on LSC... of segregation of the A-site cations to the surface. To investigate the differences in the CER#2 and REF#1... , the dissociation of LSC across its cross section was drastically nonuniform, with ...

  

Source: Chen, Sow-Hsin - Department of Nuclear Engineering, Massachusetts Institute of Technology (MIT)

 

Collection: Fission and Nuclear Technologies

 
49 American Mineralogist, Volume 86, pages 10761080, 2001 0003-004X/01/00091076$05.00 1076
 

Summary:  -pressure perovskite with a planar (two-dimensional) ordering of A-site cations. Most pre- viously described high... + cations preferentially enter the 1a site, whereas most Th4+ is accommodated in the comparatively smaller 1... ordering of K and ...

  

Source: Chakhmouradian, Anton - Department of Geological Sciences, University of Manitoba

 

Collection: Geosciences

 
50 Physics of the Earth and Planetary Interiors 155 (2006) 96103 Al, Fe substitution in the MgSiO3 perovskite structure
 

Summary:  refer to the dodecahedral A-site and octahedral B-site, respectively. McCammon (1998) reported... , previous studies indicate that Fe2+ occu- pies the dodecahedral A-site, whereas the location of Fe3+ within... factor of Mg to represent the total occupancy of Mg + Al + Si on the A-site. However Fe, with approx

  

Source: Jacobsen, Steven D. - Department of Earth and Planetary Sciences, Northwestern University

 

Collection: Geosciences

 
51 Toward formal development of programs from algebraic speci cations: parameterisation revisited
 

Summary:  of parameterisedprogramsand parameterised speci cations. The extension of parameterisation mechanisms to the higher-order case... speci cations presented in ST 89] to the case of higher-order ML functors. The paper is organized... parameterisation to the higher-order case are considered. ...

  

Source: Sannella, Don - School of Informatics, University of Edinburgh

 

Collection: Computer Technologies and Information Sciences

 
52 J. PHYS, IV FRANCE 7 (1997) Colloque CI, Supplement au Journal de Physique III de mars 1997 Cl-43
 

Summary:  on both the valence and the location of the cations in accordance with covalent bonds in tetrahedral (A... ferrites is presented. When the Fe-based spinel oxides contain more than one oxidizable cation (for... instance Fe^+ , Mo^+ and Mo^+ in Mo ferrites), it has been demonstrated that each cation oxidizes ...

  

Source: Ecole Polytechnique, Centre de mathématiques

 

Collection: Mathematics

 
53 PHYSICAL REVIEW B 83, 144112 (2011) Pb-free ferroelectrics investigated with density functional theory: SnAl1/2Nb1/2O3 perovskites
 

Summary:  to investigate the replacement of the Pb atom on the perovskite A-site, motivated by the desire to replace... solutions of (Ba1-xSnx)TiO3 can be cleanly obtained up to x = 0.2 (Refs. 10 and 11). A-site substitution... in energy than a variety of other B-cation arrangements including the (011) ordering. These ...

  

Source: Rappe, Andrew M. - Departments of Chemistry & Materials Science and Engineering, University of Pennsylvania

 

Collection: Materials Science ; Chemistry

 
54 American Mineralogist, Volume 85, pages 687693, 2000 0003-004X/00/0506687$05.00 687
 

Summary:  geometry, and thus cation incorporation and ordering. A-site vacancies In all the synthetic pargasites... accommodate mainly Na+ and Ca2+ but also Mg2+ . In pargasite, the A-site is mostly occupied by Na... , and pointing toward a filled A-site. A third band is observed at 3656 cm­1 , ...

  

Source: Ecole Polytechnique, Centre de mathématiques

 

Collection: Mathematics

 
55 J. Phys. III Franc-e 4 (1994) 253-260 FEBRUARY 1994, PAGE 253 Classification
 

Summary:  structures in which Cu occupies the B sites and the other cations occupy the A sites. For each, the A-site... with the rate- controlling species being a A-site cation in YBa~CU~O~. Introduction. Creep is among the few... for Y diffusion. Diffusion of the A-site ...

  

Source: Ecole Polytechnique, Centre de mathématiques

 

Collection: Mathematics

 
56 Nonmagnetic B-site impurity-induced ferromagnetic tendency in CE-type manganites Xiao Chen,1 Shuai Dong,1,2,3 Kefeng Wang,1 J.-M. Liu,1,4,* and Elbio Dagotto2,3
 

Summary:  structure of the lattice defects, which is absent in A-site dis- order cases, is especially important... . Qualitatively, these results are similar to the effects caused by A-site dis- order, and this similarity... by the A-site disorder alloy randomness ,10,11 while the other is induced ...

  

Source: Tennessee, University of - Department of Physics and Astronomy, Correlated Electrons Group

 

Collection: Physics

 
57 BioMed Central Page 1 of 13
 

Summary:  patterns for each of which both introns/exons and 'terminating' polyA site are delineated; EST... . The AltPAS pipeline examines gene-transcript alignments and delineates all potential polyA sites... irrespective of underlying splicing patterns. Resultant polyA sites ...

  

Source: Ecole Polytechnique, Centre de mathématiques

 

Collection: Mathematics

 
58 JOURNAL DE PHYSIQUE Colloque C7, supplkment au no 12, Tome 38, dkcembre 1977,page C7-159 THEORETICAL ASPECTS OF DIFFUSION AND IONIC CONDUCTION
 

Summary:  exists in the cation (f.c.c.)sublattice. If there should be a cation ordering caused by the nearest... circles Zr ions. In both the ordered and the disordered state (of the cation sublat- 0.15 0.20 0.25 0 30 0... on the anion sublattice is not affected by the ...

  

Source: Ecole Polytechnique, Centre de mathématiques

 

Collection: Mathematics

 
59 Interaction of Translation Initiation Factor IF1 with the E. coli Ribosomal A Site
 

Summary:  RNA is recruited directly to the peptidyl-tRNA site (P site) instead of the aminoacyl-tRNA site (A site). When... attack by kethoxal. This set of nucleotides is also protected by A-site bound tRNA (Figure 1(b); Moazed... ) Bases affected by A-site bound tRNA or class III sites affected by tRNA, 50 S subunits

  

Source: Dahlquist, Kam D. - Biology Department, Loyola Marymount University

 

Collection: Biology and Medicine

 
60 Relaxational polarization in polar dielectric barium magnesium niobate Surya M. Gupta
 

Summary:  with increasing A-site vacancy concentrations. The frequency dispersion of the permittivity maximum exhibited good... ordering, but in actuality it has tripled unit cell due to three B -site cation sublattices ordered 1... characteristics in the polar dielectric BMN containing A-site ...

  

Source: Chen, Haydn H. - Department of Physics and Materials Science, City University of Hong Kong

 

Collection: Materials Science


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61 Functional insights from the structure of the 30S ribosomal subunit and its
 

Summary:  ,3 . The decoding of mRNA into protein requires the correct recogni- tion of each A-site codon by the anticodon... to the A-site. The high level of accuracy of translation by the ribosome is thought to be a combination... and proof-reading of the A-site tRNA, or it may have a role in translocation. Until recently, there has been

  

Source: Ramakrishnan, Venki - Laboratory of Molecular Biology, MRC

 

Collection: Biology and Medicine

 
62 Cation non-stoichiometry in yttrium-doped barium zirconate: phase behavior, microstructure, and proton conductivity
 

Summary:  -site. The alternative possibilities of A-site vacancy creation or (especially) cation interstitial site occupancy (by Y... have investigated A-site non- stoichiometry in Ba1ÀxZr0.8Y0.2O3Àd, a candidate electrolyte material... -stoichiometry by incorporation of yttrium on the A-site. The dopant partitioning ...

  

Source: Jet Propulsion Laboratory, Thermoelectrics Team

 

Collection: Energy Storage, Conversion and Utilization ; Materials Science

 
63 Topochemical Synthesis of Three-Dimensional Perovskites from Lamellar Precursors
 

Summary:  reaction allows them to move in the perovskite lattice. Similar disordering of A-site cations occurs... partial disorder of divalent Zn and Eu A-site cations. Further heating yields the fully disordered cubic... -type perovskites that are cation-disordered (or that contain only Eu and no ...

  

Source: Mallouk, Thomas E.- Department of Chemistry, Pennsylvania State University

 

Collection: Materials Science ; Chemistry

 
64 Vol. 34 (2003) ACTA PHYSICA POLONICA B No 2 THERMAL TRANSPORT IN FERROMAGNETIC
 

Summary:  (La 3+ and AE 2+ ) cations, even if is kept constant [5]. The ran- domness of the A-site cations is de... #28;ned by the A-site cation radius variance #27; 2 (=#6;y i r 2 i -r 2 A , y i is the fractional... occupancy of the A-site species and r A is the average ionic ...

  

Source: Magiera, Andrzej - Instytut Fizyki, Uniwersytet Jagiellonski

 

Collection: Physics

 
65 American Mineralogist, Volume 88, pages 955961, 2003 0003-004X/03/0007955$05.00 955
 

Summary:  -solution in A-site-vacant amphiboles: synthesis and cation ordering along the ferri... and 3633 cm­1 bands are locally connected with vacant A-sites (see preceding paragraph). This short-range-order... (Mg,Fe2+ )3(Al,Fe3+ )2Si8O22(OH)2, Li is a B-group cation and is ...

  

Source: Ecole Polytechnique, Centre de mathématiques

 

Collection: Mathematics

 
66 J. PHYS IV FRANCE 7 (1997) Colloque C2, Supplkment au Journal de PhysiqueI11 d'avril 1997
 

Summary:  that the 8 divalent Zn cations reside on the A-sites while both divalent and trivalent Fe cations fill the B... -sites. Alternatively, we find that the Ni cations preferentially fill the B-sites but also fill the A-sites... having divalent Ni cations filling the ...

  

Source: Ecole Polytechnique, Centre de mathématiques

 

Collection: Mathematics

 
67 Eur. J. Mineral. 2007, 19, 533546
 

Summary:  (in agreement with Dowty's model). Among isovalent A-site cations, the larger partition into the {100... } face. A-site cations attached to the surface are indicated by purple spheres; their bonding configu... and characteristics of A-site cations, and then explore ...

  

Source: Chakhmouradian, Anton - Department of Geological Sciences, University of Manitoba

 

Collection: Geosciences

 
68 Ribosomal antibiotics: structural basis for resistance, synergism and
 

Summary:  ) and the protein exit tunnel. The ribosome possesses three tRNA binding sites: the aminoacyl (A)-site, the pep... (spectinomycin and edeine), A-site binding to the small (tetracycline) and the large (chloramphenicol) subunits... PTC. These alterations, in turn, influence positioning of the A-site tRNA [28,31,32], which explains

  

Source: Martin, Jan M.L. - Department of Organic Chemistry, Weizmann Institute of Science

 

Collection: Chemistry

 
69 How Cations Can Assist DNase I in DNA Binding and Marc Gueroult1,2
 

Summary:  I Asp201 92 99 N.A. Thr203 99 99 N.A. Thr205 100 100 N.A. Thr207 100 100 N.A. Site II Asp99 95 100 N... .A. Cys101 0 100 N.A. Asp107 66 97 N.A. Phe109 97 100 N.A. Glu112 95 72 N.A. Site III Asp172 68 N.A. 100... aa 5.1 5.4 N.A. water 1.2 3.6 N.A. total 6.3 9.0 N.A. ...

  

Source: Institut de Biologie Physico-Chimique CNRS, Physico-Chimie Moléculaire des Membranes Biologiques

 

Collection: Chemistry ; Biology and Medicine

 
70 J. PHYS. IV FRANCE 7 (1997) Colloque C1, Supplementau Journa1de PhysiqueIf1de mars 1997
 

Summary:  dilutedon the A-sites by non-magneticMg2+andlor Zn2+ions as x Increases. The different magnetic states... , resulting in an apparent A-site contribution in the spectra [6].Also the possibility of some amount of Zn2... are of the ferrite type, 57FeMossbauer spectroscopy (MS) has been proven to be a very useful tool in order

  

Source: Ecole Polytechnique, Centre de mathématiques

 

Collection: Mathematics

 
71 N2O decomposition over Fe-zeolites: Structure of the active sites and the origin of the distinct reactivity of Fe-ferrierite, Fe-ZSM-5, and Fe-beta. A combined
 

Summary:  one (a site) and two (b À 2) oxygen atoms belong to SiO4 tet- rahedra. Therefore, the structure... evidenced that two Fe(II) cations accommodated in two adjacent six-mem- bered rings in the eight... , the geometrical arrangement of the cationic positions is far from that in Fe-ferrierite and it is not ...

  

Source: Sklenak, Stepan - Department of Chemical Physics, Jaroslav Heyrovsky Institute of Physical Chemistry

 

Collection: Chemistry

 
72 Designware: Software Development by Re nement
 

Summary:  - ment. The framework is based on a category of higher-order speci cations. The key idea is representing... cations, rst-order formulations are su cient in this paper. spec Partial-Order is sort E op le : E E... -Container : TRIV ! Container is fE 7! Eg A functorial semantics for ...

  

Source: Kestrel Institute

 

Collection: Computer Technologies and Information Sciences

 
73 Suppression of strain coupling in perovskite La0.6Sr0.1TiO3 by cation disorder Christopher J. Howard and Zhaoming Zhang
 

Summary:  .1TiO3 by powder neutron diffraction. One slowly cooled sample had a degree of cation/vacancy ordering... weakly dependent on the degree of cation order. In contrast with the expectation of standard patterns... of the degree of cation order in perovskites with ...

  

Source: Cambridge, University of - Department of Earth Sciences

 

Collection: Geosciences

 
74 Algebraic speci cation and formal methods for program development: what are the real problems?
 

Summary:  Algebraic speci cation and formal methods for program development: what are the real problems... ? Donald Sannella Andrzej Tarleckiy 1 Introduction The long-term goal of work on algebraic speci cation... is formal development of correct programs from speci cations via veri ed-correct re nement steps. De ne

  

Source: Sannella, Don - School of Informatics, University of Edinburgh

 

Collection: Computer Technologies and Information Sciences

 
75 Morphisms and Semantics for Higher Order Parameterized Programming
 

Summary:  order algebraic speci#12;cations, and to higher order partial functions. Examples are given in BOBJ... , a recent algebraic speci#12;cation and functional programming language that supports higher order parameter... Morphisms and Semantics for Higher Order ...

  

Source: Goguen, Joseph - Department of Computer Science and Engineering, University of California at San Diego

 

Collection: Computer Technologies and Information Sciences

 
76 The topologically-disordered square lattice J. M. Greneche (1, *) and J. M. D. Coey (2)
 

Summary:  conditions. The final A-site topology is achieved when no more defects that satisfy the rules can... . In figures 4 and 5, the A-site topology of the two models is presented after carrying out the relaxation... entre cations, conduit à un système désordonné type AB2 après insertion des anions. Deux modèles ont été

  

Source: Ecole Polytechnique, Centre de mathématiques

 

Collection: Mathematics

 
77 Structure and Polarization in the High Tc Ferroelectric BiZn; TiO3-PbTiO3 Solid Solutions Ilya Grinberg,1
 

Summary:  and first-principles methods. Favorable coupling between A-site and B-site cation displacements gives rise... , covalent Zn-O bonds, enabling favorable coupling between A-site and B-site displacements. This leads... of Bi-O12 and Pb-O12 cages reveals a crucial dif- ference between the bonding behavior of the two ...

  

Source: Rappe, Andrew M. - Departments of Chemistry & Materials Science and Engineering, University of Pennsylvania

 

Collection: Materials Science ; Chemistry

 
78 Casl: The Common Algebraic Speci cation Language 1
 

Summary:  , partial functions, #12;rst-order logic, and structured and architectural speci#12;cations. Casl should... higher-order functions). The semantics of Casl speci#12;cation-building operations may essentially... Casl: The Common Algebraic Speci#12;cation Language 1 Egidio Astesiano a , ...

  

Source: Ecoles Normales Supérieures de Cachan, Laboratoire Spécification et Vérification

 

Collection: Computer Technologies and Information Sciences

 
79 electronic reprint Acta Crystallographica Section F
 

Summary:  spheres. (a) Site 1, located next to the nucleotide, contained the strongest peaks in the anomalous... cation binding sites in GroEL Philip D. Kiser, George H. Lorimer and Krzysztof Palczewski Acta Cryst... . · Identification of cation-binding sites in GroEL using Tl+ #12;structural communications Acta ...

  

Source: Palczewski, Krzysztof - Department of Pharmacology, Case Western Reserve University

 

Collection: Biology and Medicine

 
80 TRANSFERRED FIE1DS AND COVALENCY. TRANSFERRED MAGNETIC FIELDS AT '1
 

Summary:  the transferred field due to each cation to be 47 kOe in MnI,, 64 kOe in FeI, (A site), 96 kOe in FeI, (B site... Iz (A site) 4.9 0.065 0.75 73 0.80 CoIz 6.7 0.087 0.91 67 0.54 (a) 7.6 (a) NiI2 6.5 0.084 1.00 64 1.1 (a... , values in other compounds [13]. We estimate it to be 0.59 % for ...

  

Source: Ecole Polytechnique, Centre de mathématiques

 

Collection: Mathematics


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81 Some thoughts on algebraic speci cation1;2 Donald Sannella and Andrzej Tarlecki3
 

Summary:  . Moreover, in order to do any kind of formal program development or veri cation a theorem-proving capability... Some thoughts on algebraic speci cation1;2 Donald Sannella and Andrzej Tarlecki3 Department... underlyingour work on algeb- raic speci cation. The central idea, due to Goguen and Burstall, is that ...

  

Source: Sannella, Don - School of Informatics, University of Edinburgh

 

Collection: Computer Technologies and Information Sciences

 
82 To whom correspondence should be addressed. Journal of Solid State Chemistry 161, 225}232 (2001)
 

Summary:  -style reactions, one can synthe- size perovskites that have controlled A-site vacancies (8), ordered A-site... -exchangeable, and ¸n>, which is not ex- changeable (Fig. 1a) (17). The ordering of the Na> and ¸n> cations depends... in dilute acid (18). H¸nTiO topochemically ...

  

Source: Mallouk, Thomas E.- Department of Chemistry, Pennsylvania State University

 

Collection: Materials Science ; Chemistry

 
83 A Formal DataModel of the CORBA Security Service David Basin Frank Rittinger Luca Vigan
 

Summary:  the analysis of a substantial, informal speci#12;cation. Our approach is scenario-driven: we use representative... scenarios to determine which parts of the informal speci#12;cation should be formalized and then verify... the formal speci#12;cation against the requirements of these scenarios. Keywords: CORBA Security, Formal

  

Source: Basin, David - Departement Informatik, Eidgenössische Technische Hochschule Zürich (ETHZ)

 

Collection: Computer Technologies and Information Sciences

 
84 Hierarchical Veri cation Using an MDG-HOL Hybrid Tool
 

Summary:  of Reduced-Order Binary Decision Diagram ROBDD based veri cation tools. An MDG is a nite, directed acyclic... analyses the feedback of MDG in order to nd out whether the veri - cation succeeded or failed. If the veri... Hierarchical Veri cation Using an MDG-HOL Hybrid Tool Iskander Kort1, ...

  

Source: Curzon, Paul - Department of Computer Science, Queen Mary, University of London

 

Collection: Computer Technologies and Information Sciences

 
85 Predicting morphotropic phase boundary locations and transition temperatures in Pb-and Bi-based perovskite solid solutions
 

Summary:  ; this leads to an indirect oxygen-mediated Pb­Ti repulsion.22 Similar coupling be- tween A-site lone pair... will be ferroelectric in the ground state due to total B-cation ordering and the partial occupation of the B site... for com- positions relevant to this work, due to destruction of B cation ...

  

Source: Rappe, Andrew M. - Departments of Chemistry & Materials Science and Engineering, University of Pennsylvania

 

Collection: Materials Science ; Chemistry

 
86 Horizontal composability revisited ? Donald Sannella 1 and Andrzej Tarlecki 2;3
 

Summary:  implementation generalises smoothly to imple- mentations of constructor speci#12;cations. This requires higher-order... and ordering predicate ord chosen by the implementor. The fol- lowing architectural speci#12;cation decomposes... and Burstall's 1980 CAT paper and its powerful in uence on theories of ...

  

Source: Sannella, Don - School of Informatics, University of Edinburgh

 

Collection: Computer Technologies and Information Sciences

 
87 Compilation of quasi-destructive uni cation of type feature structures
 

Summary:  . References 1. H. A#16;t-Kaci and R. Di Cosmo. Compiling order-sorted feature term uni#12;cation. Technical... Compilation of quasi-destructive uni#12;cation of type feature structures Liviu Ciortuz Computer... #12;cation grammars for natural language processing [7][11] has shown that Tomabechi's quasi

  

Source: Bennett, Brandon - School of Computing, University of Leeds

 

Collection: Computer Technologies and Information Sciences

 
88 AVL Trees Revisited: A Case Study in Spectrum
 

Summary:  . Spectrum is an axiomatic speci cation language supporting full rst-order logic including some higher-order... a total order is given. Therefore the following speci cation refers to the speci cation Ordering from... the ...

  

Source: Cengarle, María Victoria - Institut für Informatik, Technische Universität München

 

Collection: Computer Technologies and Information Sciences

 
89 Correlations between the structure and dielectric properties of Pb,,Sc23W13...O3 Pb,,TiZr...O3 relaxors
 

Summary:  functional theory DFT calculations. For x 0.25 the B cations form a 1:1 ordered doubled perovskite structure... . However, as the order is reduced for x 0.25, the active Ti and W cations couple their displacements... temperature. In ordered PST, the Sc3 and Ta5 ...

  

Source: Rappe, Andrew M. - Departments of Chemistry & Materials Science and Engineering, University of Pennsylvania

 

Collection: Materials Science ; Chemistry

 
90 Abstract. --The room temperature Mossbauer spectra of the spinel compounds Fe2<i-2,)Mgi+j/Ti2,04
 

Summary:  the tetrahedral (A sites) and In this paper, the influence of the structural proper- octahedral (B sites... ~ t e(slowly cooledsample1 m A -slte (slowly cooled sample) o B- slte [quenched sample) m A- site... subspectra are assigned to actahedral and tetrahedral ferric ions. The cation ...

  

Source: Ecole Polytechnique, Centre de mathématiques

 

Collection: Mathematics

 
91 Veri cation and Validation of Knowledge-Based Systems with Formal Speci cations
 

Summary:  perform a combination of veri cation and testing methods in order to obtain maximum evidence... in software engineering (Kemmerer, 1985), in order to prevent the development of costly formal speci cation... cases") of the speci - cation. In order to do this, proof ...

  

Source: Preece, Alun - Department of Computing Science, University of Aberdeen

 

Collection: Computer Technologies and Information Sciences

 
92 Automating Handover in Dynamic Work ow Environments ?
 

Summary:  are used: tasks without order and tasks with order. Position speci cation is further de ned as follows... . In order to study the correctness issues of handover policy speci cation, we rst introduce a so... and reengineering. In order to meet the fast- changing ...

  

Source: Liu, Chengfei - School of Information Technology, Swinburne University of Technology

 

Collection: Computer Technologies and Information Sciences

 
93 Correlations betweenthe Structureand Dielectric Propertiesof Pb(Sc2/3
 

Summary:  contributions come from the shifts of the A-site Pb cations. The magnitude and direction of these displacements... to probe the local displacements of the atoms. For x < 0.25 the B-cations form a 1:1 ordered doubled... mixture of the remaining cations. The B-site ...

  

Source: Rappe, Andrew M. - Departments of Chemistry & Materials Science and Engineering, University of Pennsylvania

 

Collection: Materials Science ; Chemistry

 
94 2910003004X/97/03040291$05.00 American Mineralogist, Volume 82, pages 291301, 1997
 

Summary:  a major effect on long-range ordering (LRO) of cations in the amphibole structure. Ni2 is smaller than Mg... of explaining cation ordering. Recent results on synthetic amphiboles and pyroxenes suggest that electronic... structure plays an important role in affecting both cation ...

  

Source: Ecole Polytechnique, Centre de mathématiques

 

Collection: Mathematics

 
95 The RPC-Memory Case Study: A Synopsis ? Manfred Broy, Stephan Merz, and Katharina Spies
 

Summary:  of classi cation. In order to maintain the anonymity of the individual referees, we do not attribute... problem using behavioral component speci cations expressed in a monadic second-order logic over nite... The RPC-Memory speci cation problem was proposed by Broy and Lamport as a case ...

  

Source: Broy, Manfred - Institut für Informatik, Technische Universität München; Cengarle, María Victoria - Institut für Informatik, Technische Universität München

 

Collection: Computer Technologies and Information Sciences

 
96 ORIGINAL PAPER A. R. Chakhmouradian K. Ross
 

Summary:  - tive of antiphase tilting (a) ) and in-phase tilting (c+ ) of MgF6 polyhedra, and A-site cation... -range order between the A-site ca- tions) or variation in structural distortion over the sample (e... with deviation of the structure from ideal cubic. Although the eective coordination number of the ...

  

Source: Chakhmouradian, Anton - Department of Geological Sciences, University of Manitoba

 

Collection: Geosciences

 
97 Bandwidth control effects in electron doped manganite La0.7KxYxCe0.3MnO3 thin films
 

Summary:  the effect of average A-site cation radius on the structural, magnetic and electrical properties of electron... Mn­O is the bond length. The striking similarity in the effect reducing the A-site cation in the electron doped... .e. the fraction of tetravalent Ce atoms at the A-site was ...

  

Source: Raychaudhuri, Pratap - Department of Condensed Matter Physics and Material Sciences, Tata Institute of Fundamental Research

 

Collection: Materials Science ; Physics

 
98 Relating Fundamental Chemistry and Smart Materials with DFT Calculations Yashar Yourdshahyan, Ilya Grinberg, Na Sai,
 

Summary:  -centering behavior. However, of the cations known to occupy the perovskite A- site at ambient pressure... is due to the off- centering behavior exhibited by Pb atoms on the perovskite A-site as well... of ferroelectric solid solutions containing Ag atoms on the perovskite A-site. Since ...

  

Source: Rappe, Andrew M. - Departments of Chemistry & Materials Science and Engineering, University of Pennsylvania

 

Collection: Materials Science ; Chemistry

 
99 Journal of Power Sources, 2011, 196(14), 5835-5839, doi:10.1016/j.jpowsour.2011.03.016 SSSyyynnnttthhheeesssiiisss aaannnddd pppeeerrrfffooorrrmmmaaannnccceee ooofff SSSrrr1.511..55LLLaaaxxxMMMnnnOOO444 aaasss cccaaattthhhooodddeee mmmaaattteeerrriiiaaall
 

Summary:  and the oxygen ionic conductivity in these compounds are mainly determined by A-site cations, and the electrical... , considering the presence of large amount of oxygen vacancies generated by the A-site La cation deficiencies... Fauriel - 42023 Saint-Étienne Cedex 2, France Abstract ...

  

Source: Ecole Polytechnique, Centre de mathématiques

 

Collection: Mathematics

 
100 Silver Delafossite Oxides William C. Sheets,
 

Summary:  because the a axis lengthens (Figure 8b) and reduces the A-A interaction in the close-packed A-site cation... in the a axis, the A-A interaction between the closed packed A-site cations should remain constant for copper... of the optical band gap that includes the A-site ...

  

Source: Poeppelmeier, Kenneth R. - Department of Chemistry, Northwestern University

 

Collection: Materials Science ; Chemistry


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