Summary:  the interface crossing. The density of s-electrons in 3d-ferromagnets is surpris- ingly small. For example... Analysis of the anomalous Hall effect in a double layer of a ferromagnetic and a normal metal G. Bergmanna... of the anomalous Hall effect (AHE) in ferromagnetic metals. Using a double layer of a ...

Source: Bergmann, Gerd - Department of Physics and Astronomy, University of Southern California

Collection: Physics

Summary:  -order transitions between the ferromagnetic and paramagnetic phases is y = 3 = d, as is required for first... in d = 3. The boundary between the ferromagnetic and paramagnetic phases has first-order and two types... replaces the ferromagnet as temperature is lowered for all chemical ...

Source: Gozuacik, Devrim - Faculty of Engineering and Natural Sciences, Sabanci University

Collection: Biology and Medicine

Summary:  - perature for less than 2 ML of Co.10,11 In contrast, the Co/ Cu 110 shows a three-dimensional 3D growth... than 4 ML of deposition in the Co/Cu 110 system due to the 3D growth.14 Second, is there local... 2) reconstructed GaAs 100 for coverage up to about 4 ML. This ...

Source: Xu, Yongbing - Department of Electronics, University of York (UK)

Collection: Materials Science ; Engineering

Summary:  . The calculation of the critical temperature, in the case of isotropic Fermi surface and symmetrical ferromagnet... considerably compared to the superconductor spectrum (see figure 3 d)). In this case, the spectra are = -s... epl draft Proximity effect in atomic-scaled hybrid supercon- ...

Source: Ecole Polytechnique, Centre de mathématiques

Collection: Mathematics

Summary:  . The M4 ions along the chain are offset from those on neighboring chains by (1/3)dM-M intrachain shown... ferromagnetic and antiferromagnetic interactions. We have measured the ac susceptibility of Sr3CuPtxIr1 xO6... to 0.275 K. Our data show that the x 0 endpoint, Sr3CuIrO6, exhibits long-range ...

Source: zur Loye, Hans-Conrad - Department of Chemistry and Biochemistry, University of South Carolina

Collection: Materials Science

Summary:  on this problem. Certain remarks concerning the methods used in solving it are in order, however. 1. 3D LOFF... ] pay much attention to the so-called three-dimensional (3D) LOFF states, which were proposed by them... the arguments of the Green's functions contain the same two-dimensional wave vector q. At the ...

Source: Fominov, Yakov - Landau Institute for Theoretical Physics

Collection: Materials Science ; Physics

Summary:  is unclear. The mean-field solution to the mixed ex- change, three-dimensional (3D) Heisenberg model3 gives... , the spins align collinearly and exhibit ferromagnetic order, while below TX,, the transverse components... of the spins freeze leading to a noncollinear spin structure dominated by ferromagnetic ...

Source: Ryan, Dominic - Physics Department, McGill University

Collection: Physics

Summary:  is unclear. The mean-field solution to the mixed ex- change, three-dimensional (3D) Heisenberg model3 gives... , the spins align collinearly and exhibit ferromagnetic order, while below TX,, the transverse components... of the spins freeze leading to a noncollinear spin structure dominated by ferromagnetic ...

Source: Grant, Martin - Physics Department, McGill University

Collection: Physics

Summary:  transition 3d-metal chloride; MCl2 with M = #12;5.2 Computational Methods 77 Figure 5.1: Schematic... that in one and two-dimensional isotropic Heisenberg models the ferromagnetism and antiferromagnetism... Chapter 5 Hybrid Ferromagnetic Semiconductors Abstract: The electronic structure ...

Source: Groningen, Rijksuniversiteit - Centre for Ecological and Evolutionary Studies, Department of Marine Benthic Ecology and Evolution,

Collection: Biology and Medicine ; Environmental Sciences and Ecology

Summary:  -stable fixed points are present, namely at (tB, ts, ~) = (tB3D, 1, 1 ) (characterizing the standard D = 3... ) = (tB3 D, 1, 0) which is a special point on the above mentioned multicritical line, and determines... to the isotropic Heisenberg model will require higher and higher values of ...

Source: Ecole Polytechnique, Centre de mathématiques

Collection: Mathematics

Summary:  a conventional 3-D Heisenberg phase transition to * Corresponding author. Tel.: #1 514 3986 534; fax: #1 514 3986... ). Eventually, ¹ and ¹ VW meet, and further increases in frustration lead to a pure 3-D spin glass... Ar- rott plots (using standard 3-D Heisenberg ...

Source: Ryan, Dominic - Physics Department, McGill University

Collection: Physics

Summary:  a conventional 3--D Heisenberg phase transition to a paramagnetic state. As the degree of frustration increases... ). Eventually, T c and T xy meet, and further increases in frustration lead to a pure 3--D spin... :5, where T c falls by 60 K, followed by a more gradual decline. Modified Arrott plots (using ...

Source: Ryan, Dominic - Physics Department, McGill University

Collection: Physics

Summary:  -symmetry methods employed to solve the model. [3] D.H. Ryan in `Recent Progress in Random Magnets' D.H. Ryan (ed... 2052, Australia Abstract Partially frustrated ferromagnets exhibit two magnetic transitions. T xy marks... by ferromagnetic order established at T c . Zero-#12;eld muon spin relaxation (ZF ...

Source: Ryan, Dominic - Physics Department, McGill University

Collection: Physics

Summary:  an isotropic, metallic ferromagnet at low temperature. The magnetic ordering (Curie) temperature is accompanied... , and O sites, respectively. 1 #12;Fig. 2. (a) Cubic and tetragonal crystal field splitting of 3d... ) results in the spins of the 3d electrons needing ...

Source: Lynn, Jeffrey W. - Center for Neutron Research, National Institute of Standards and Technology

Collection: Materials Science

Summary:  , and O sites, respectively. 1 #12;Fig. 2. (a) Cubic and tetragonal crystal field splitting of 3d... ) results in the spins of the 3d electrons needing to be aligned. As a result, three electrons with parallel... is the definition of an isotropic ferromagnet; with 0E ...

Source: Lynn, Jeffrey W. - Center for Neutron Research, National Institute of Standards and Technology

Collection: Materials Science

Summary:  of the A1 substitution is to increase the volume of YCo2 and to decrease the number of 3d electrons. Both... MAGNETOSTRICTION OF WEAKLY FERROMAGNETIC Y ( C O ~ - ~ A ~ Z ) ~COMPOUNDS P. C. Riedi (I), J. G. M. Armitage (I), R... , Birmingham B15 BTT, G.B. Abstract. -The forced volume magnetostriction of weakly ...

Source: Ecole Polytechnique, Centre de mathématiques

Collection: Mathematics

Summary:  Enhancement of superconductivity near the ferromagnetic quantum critical point in UCoGe Master... ) #12;#12;Abstract For a long time it was thought that superconductivity and ferromagnetism exclude each... other, since the parallel pairing of spins in ferromagnetic order impedes Cooper pair forming

Source: Quantum Electron Matter Group, Van der Waals-Zeeman Institute for Experimental Physics, Universiteit van Amsterdam

Collection: Physics ; Materials Science

Summary:  matter in superconductor­ferromagnet hybrids A Yu Aladyshkin1,2 , A V Silhanek1 , W Gillijns1 and V V... -temperature superconductors (S) and ferromagnets (F), are reviewed. Since the superconducting and ferromagnetic parts... of the ferromagnet is solely determined by the magnetic history of the system and ...

Source: Moshchalkov, Victor V. - Nanoscale Superconductivity and Magnetism, Katholieke Universiteit Leuven

Collection: Materials Science

Summary:  - pected from simple spin wave theory for a 3d ferro- magnet. From this J / k = 0.028 (1) K is obtained... OF FERROMAGNETIC ORDERING IN fcr (NH3)6-n ( H P O ) ~ ]fCr (CN)61 F. J. Lgzaro (I), J. Bartolorn6 (I), R. Burriel... S = 312ferromagnet. The secondremans paramagneticshowing only a crystal field Schottky ...

Source: Ecole Polytechnique, Centre de mathématiques

Collection: Mathematics

Summary:  -averaging of the disorder h : 2. in 3D #12;1) 2) 3) Critical exchange field hc for model systems The minigap closes at S L... magnetization survives up to · In the case of self-averaging disordered magnetization in 3D, the effective spin... Minigap in superconductor-ferromagnet junctions ...

Source: Fominov, Yakov - Landau Institute for Theoretical Physics

Collection: Materials Science ; Physics

Summary:  crystals of 3d-TM and 4f-RE metals reveal new scientific insights and perspectives for the theoretical... on 3d-transition and 4f-rare earth metals with ECS . . . . . . . . . . 153 3.1. Remarks on theoretical... models and proposals on surface magnetism . . . 153 3.2. Surfaces of ...

Source: Rau, Carl - Department of Physics and Astronomy, Rice University

Collection: Physics

Summary:  for isotropic ferromagnets. We therefore restrict ourselves to working with a uniaxial model (which is a good... ., Nature 394, 39 (1998). [2] S.S. Saxena et al., Nature 406, 587 (2000). [3] D. Fay, J. Appel, Phys. Rev. B... . Our motivation is the ferromagnetic superconductor, UGe 2 . ...

Source: Magiera, Andrzej - Instytut Fizyki, Uniwersytet Jagiellonski

Collection: Physics

Summary:  and ordered crystalline ferromagnetic alloys based on 3d-transition elements. 0 Alloy for which the DHW... and spin S = 1/2, are taken here as theoretical references. and alloys based on 3d... -transition-elements. For this, we have collected (for table I) all (atomically) disordered and ...

Source: Ecole Polytechnique, Centre de mathématiques

Collection: Mathematics

Summary:  critical frontier for the general quenched random-bond Potts ferromagnet (any P(J)) on isotropic Bethe... case, in references [6, 14] it is stated quite firmly that the (q = 3 ; d = 4) case corresponds... used. #12;N° 11 Table 1. - Critical points for isotropic and homogeneous q-state ...

Source: Ecole Polytechnique, Centre de mathématiques

Collection: Mathematics

Summary:  ­5 . Here we report electrical resis- tivity measurements of the 3d metal MnSi, indicating an un- expected... renormalized 3d bands. With its full three-dimensional cubic crystal structure, the elec- tronic and magnetic... characterized by a non-Fermi- liquid resistivity (Fig. ...

Source: Taillefer, Louis - Département de physique, Université de Sherbrooke

Collection: Materials Science ; Physics

Summary:  May 2006 Dynamic consequences of exchange enhanced anisotropy in ferromagnet/antiferromagnet bilayers... are primarily associated with effective anisotropies introduced into a ferromagnet by exchange coupling... velocities, domain wall resonances, and precessional switching of the ferromagnet. Exchange anisotropy

Source: Usadel, K. D. - Theoretische Tieftemperaturphysik,Universität Duisburg-Essen

Collection: Physics

Summary:  that an amorphous alloy can be an isotropic ideal ferromagnet in the critical region. Finally some experimental... BEHAVIOUR OF AMORPHOUS FERROMAGNET T. MIZOGUCHI and K. YAMAUCHI Department of Physics, Gakushuin University... temperature of an amorphous ferromagnet COO.~BO.~PO.~was investigated in detail. It ...

Source: Ecole Polytechnique, Centre de mathématiques

Collection: Mathematics

Summary:  later) 3D DYNAMIC MICROMAGNETIC SIMULATIONS OF SUSCEPTIBILITY SPECTRA IN SOFT FERROMAGNETIC PARTICLES F... . Boust1 , N. Vukadinovic2 and S. Labb´e3 Abstract. The high-frequency properties of small 3D... ´ements ferromagn´etiques 3D ont ´et´e ...

Source: Ecole Polytechnique, Centre de mathématiques

Collection: Mathematics

Summary:  Theory of the spin-torque-driven ferromagnetic resonance in a ferromagnet/normal-metal/ferromagnet... 2006 We present a theoretical analysis of current-driven ferromagnetic resonance in a ferromagnet... /normal-metal/ ferromagnet trilayer. This method of driving ...

Source: Adam, Shaffique - Condensed Matter Theory Center, University of Maryland at College Park

Collection: Physics

Summary:  - ments firmly established that TDAE-C60 is an isotropic Heisenberg ferromagnet with an extremely small... . 3 c and 3 d , respectively. At this pressure, a partial poly- merization starts at higher... Polymer phase of the tetrakis,,dimethylamino...ethylene-C60 organic ferromagnet Slaven ...

Source: Garaj, Slaven - Department of Physics, Harvard University

Collection: Materials Science ; Physics

Summary:  evidence of spin-disorder resistivity as in crystalline Fe and an s-d scattering contribution as in 3d... known in crys- talline bulk 3d metals and alloys that the electron-phonon scattering contribution... . Specifically, for Fe the density of states of the 3d ...

Source: Hebard, Arthur F. - Department of Physics, University of Florida

Collection: Physics

Summary:  -likebehavior for T > 116K, with a crossover to 3-D behavior below 16 K. Spontaneous ferromagnetism occurs for T < 4.8 K... with a crossover to 3-D behavior below 16 K. Spontaneous ferromagnetism occurs for T < 4.8 K. A generalized Hubbard... -dimensional ...

Source: Ecole Polytechnique, Centre de mathématiques

Collection: Mathematics

Summary:  3 d transition metals. With the increase in understanding of the electronic structure... that of iron or nickel due to its two atoms per unit cell. Since each atom gives rise to five3 d states... the band structure for Co contains ten 3 d bands. For a calculation of ...

Source: Ecole Polytechnique, Centre de mathématiques

Collection: Mathematics

Summary:  between flip-chip and microstrip ­ equal to 2.8 mm. Absorption intensities of > 3 dB with a FWHM bandwidth... -wave components incorporating these ferromagnetic films possess the unique capability of having a resonance... of ferromagnetic resonance (FMR) electromagnetic energy is absorbed into electronic ...

Source: De Flaviis, Franco - Department of Electrical and Computer Engineering, University of California, Irvine

Collection: Engineering

Summary:  evolution of the spin wave dispersion is depicted in Fig. 3(d): starting from a conventionnal ferromagnetic... excitations is the isotropic ferromagnet. The broken rotational spin symmetry leads to appearance of gapless... , the ferromagnetic spin wave collapses and a ...

Source: Ecole Polytechnique, Centre de mathématiques

Collection: Mathematics

Summary:  S2] -Fe2O3: D|| C3 and VDM D(mxly-mylx) #12;Elements of Moriya theory Moriya starts with a single... First microscopic theory for S-like 3d-ions (3d3,5,8 Cr3+, Mn4+, Mn2+, Fe3+, Ni2+: d=(d1+d2cos)[r1 r2... . Shveitser, and M.N. Bedrizova, JETP, 53, 1291 (1981) ­ ...

Source: Titov, Anatoly - Laboratory of Molecular Beams, Petersburg Nuclear Physics Institute

Collection: Physics

Summary:  mapping: O(3) model in 2+1D at T=0 finite T Heisenberg model on 3D cubic lattice. Guglielmo Lockhart... -Carlo simulations to produce a statistical ensemble for 3D Heisenberg model. Remove configurations with free... Quantum anti-ferromagnets The O(3) model O(3) with hedgehog suppression ...

Source: Sachdev, Subir -Department of Physics, Harvard University

Collection: Physics ; Materials Science

Summary:  Tc/dH with that for the regime of surface superconductivity dTc3/dH 0.6Tc0/Hc2 0 , we estimate the amplitude of the nonuniform... : min V /I Rn/2 Figs. 3 d ­3 f . Therefore, in the vicinity of the compensation fields, we observe... Planar superconductor/ferromagnet hybrids: Anisotropy of ...

Source: Moshchalkov, Victor V. - Nanoscale Superconductivity and Magnetism, Katholieke Universiteit Leuven

Collection: Materials Science

Summary:  for uniaxial and isotropic Heisenberg ferromagnets.For low temperatures one has a diffusive and a propagating... of the dynamic form factor are given in Ref. [I], [2]. 111. Isotropic Ferromagnet. - In the isotropic case (H + 0... HYDRODYNAMIC MODES IN HEISENBERG ...

Source: Ecole Polytechnique, Centre de mathématiques

Collection: Mathematics

Summary:  to that of the ferromagnetic state. Evidently the nematic phase (4)will be the ground state below the critical line. In 3D... : (vT/12x2 (26)312 3D 1logarithmically divergent 1D Nl(6,O)= Z6/8n 2D (12) [(V5/4)T'6 -lj2 (3/2n) 3/2 T... to the spin-wave velocity are finite: q(67 = q 1 ( 6 7 0 ...

Source: Chubukov, Andrey V. - Department of Physics, University of Wisconsin at Madison

Collection: Materials Science ; Physics

Summary:  revealed a nature of ferromagnetic ground states; a nearly isotropic Heisenberg ferromagnet... . Cevc, A. Omerzu, and D. Mihailovic, Phys. Rev. B 53, R2922 1996 . 3 D. Mihailovic, K. Pokhodnya, A... Pressure effect in TDAE-C60 ferromagnet: Mechanism and polymerization ...

Source: Mizoguchi, Kenji - Department of Physics, Tokyo Metropolitan University

Collection: Physics ; Materials Science

Summary:  the anti- ferromagnetic structure is strongly dependent on a. At large a[Fig. 5(d)], a strong Fe 3d... -character peak develops above the Fermi energy (EF); the existing 3d character below EF is also enhanced, while... the 3d character is depleted ...

Source: Kent, Paul - Computer Science and Mathematics Division, Oak Ridge National Laboratory

Collection: Computer Technologies and Information Sciences ; Materials Science

Summary:  of experimental while in the d-,dcase (Fig.3d) both 1/11 and data. Tn the s-d Case is predicted bring about... of the critical behavior of the resistivity and the optical absorption edge in various ferromagnetic... a ferromagnet through its ordering temperature. While de Gennes and Friedel intended to ...

Source: Ecole Polytechnique, Centre de mathématiques

Collection: Mathematics

Summary:  : 3D Graph of the potential figure(1); surf(T); % FIGURE 2 : Contour lines figure(2); contour(T,20... with R.V. Kohn, S. M¨uller, and F. Otto on isotropic ferromagnetic films [1]. References [1] A. De... ­connected cross­sections. Applications to other, related problems, such as ...

Source: Alouges, François - Centre de Mathématique Appliquées, École Polytechnique

Collection: Mathematics

Summary:  ) = min(T(2:M­1,2:N­1),SGN.*X1+(1.­SGN).*X2); end if (val == 1) % FIGURE 1 : 3D Graph of the potential... ¨uller, and F. Otto on isotropic ferromagnetic films [2]. References [1] A.S. Argon, V. Gupta, H.S. Landis, J... ­connected cross­sections. Applications to other, related problems, such as ...

Source: Ecole Normale Supérieure de Cachan, Centre de mathématiques et de leurs applications

Collection: Mathematics

Summary:  with the doubly humped localization with the increase of inhomogeneity (Figs. 3d­3f). When A = 0.06, the double... in a classical continuum one di­ mensional isotropic site­dependent Heisenberg ferromagnetic spin chain... FOR THEORETICAL PHYSICS ENERGY­MOMENTUM TRANSPORT THROUGH SOLITON IN A ...

Source: International Centre for Theoretical Physics (ICTP), Trieste, Italy

Collection: Physics

Summary:  with the increase of inhomogeneity (Figs. 3d-3f). When A = 0.06, the double humps grow closer and higher... in a classical continuum one di- mensional isotropic site-dependent Heisenberg ferromagnetic spin chain... FOR THEORETICAL PHYSICS ENERGY-MOMENTUM TRANSPORT THROUGH SOLITON IN A SITE-DEPENDENT ...

Source: International Centre for Theoretical Physics (ICTP), Trieste, Italy

Collection: Physics

Summary:  in the 3d liquid crystal models was observed to become more strongly first order when a nonlinear term... for the ferromagnetic models and the RP N-1 liquid crystal models and in dimension 3 or more for the lattice gauge... by the ferromagnetic Hamiltonian H = -J # #Z 2 # 1 + cos (# i - # j ) 2 # ...

Source: Mathematical Physics Preprint Archive

Collection: Mathematics

Summary:  ,4 0,6 0,8 1,0 0 2 4 6 8 10 0,0 0,2 0,4 0,6 0,8 1,0 2D I c /I 0 (d) 3D FIG. 3: Critical current Ic... Nonsinusoidal current-phase relation in strongly ferromagnetic and moderately disordered SFS... in a junction comprising two superconductors linked by a strong ferromagnet in presence of impurities. We focus

Source: Ecole Polytechnique, Centre de mathématiques

Collection: Mathematics

Summary:  ` sinh 2KAIdS' =A`/ S,Cf -A/ C:, d3sinh2KA A3 3A2- dS3 d cosh 2KA cosh 2KIdS = AIS,+ 1, d'cosh2KAcosh2K A... ' A 1-_- +,+- dS2 s, c, s,cy (A7) d 3 ~ 0 ~ h 2 K h c 0 s h 2 KA3 +A(2-S:) --3=- dS3 s,cf s,c: C... , these zeros fall on lines for a wide class of ferromagnetic models. In ...

Source: van Saarloos, Wim - Leiden Institute of Physics, Universiteit Leiden

Collection: Physics

Summary:  a richly structured Mn absorption spectrum typical for localized 3d electrons. An analysis... 's rule moment for the half-filled 3d shell. The magnitude of the dichroism reveals that only about 1... Magnetic moment of Mn in the ferromagnetic semiconductor Ga0.98Mn0024

Source: Quantum Electron Matter Group, Van der Waals-Zeeman Institute for Experimental Physics, Universiteit van Amsterdam

Collection: Physics ; Materials Science

Summary:  's rule splitting are therefore key elements for the understanding of Ni and other 3d ferromagnets... of the Ni problem or, for that matter, of other 3d ferromagnets, i.e., the question of whether... circularly polarized light, which revealed the pres- ence of ...

Source: Quantum Electron Matter Group, Van der Waals-Zeeman Institute for Experimental Physics, Universiteit van Amsterdam

Collection: Physics ; Materials Science

Summary:  .3.1 ferromagnetic materials . . . . . . . . . . . . . . . . . . 25 2.3.2 example: the single N/F interface... . . . . . . . . . . . . . 27 2.3.3 ferromagnetic voltage probe . . . . . . . . . . . . . . . . 29 2.4 spin injection mechanisms... , namely the ferromagnets, where an intrinsic inequivalence between the two spin ...

Source: Groningen, Rijksuniversiteit - Centre for Ecological and Evolutionary Studies, Department of Marine Benthic Ecology and Evolution,

Collection: Biology and Medicine ; Environmental Sciences and Ecology

Summary:  bands for La-rich region showing the Sr2+ impurity level ; b) Cobalt 3d bands for ferromagnetic Lao.5Sro... - magnetiqueaugmentant quand x augmenteet quand Tdiminue. Les trous 3d cr&s par substitution de Sr2+sont itinerants... increasingwith increasingx and decreasing T. The ...

Source: Ecole Polytechnique, Centre de mathématiques

Collection: Mathematics

Summary:  . Oxidation and Charge States Expected for Some Candidate Transition Metals in ZnO9 ZnO 3d3 3d4 3d5 3d6... applications, with many groups reporting room-temperature ferromagnetism in films doped with tran- ...

Source: Hebard, Arthur F. - Department of Physics, University of Florida

Collection: Physics

Summary:  and a distribution of ferromagnetic particles. We summarize the relevant equations and propose a coupled free... constitutive equations are specialized to isotropic incompressible magneto-sensitive elastomers in either

Source: Kirby, Brian J. - Sibley School of Mechanical and Aerospace Engineering, Cornell University

Collection: Chemistry ; Engineering

Summary:  of alternating ferromagnetic and non-magnetic (paramagnetic or normal-metal) metal multilayers. The electrical... of the magnetization direction of the ferromagnetic layers. A low resistance state occurs if the magnetization... at the ferromagnet/normal-metal interfaces and in the bulk of the ferromagnet ...

Source: Groningen, Rijksuniversiteit - Centre for Ecological and Evolutionary Studies, Department of Marine Benthic Ecology and Evolution,

Collection: Biology and Medicine ; Environmental Sciences and Ecology

Summary:  is itinerant; the same qualitative pic- ture applies, still, and so the 3D long-range order LRO transition... -range magnetic order be- low the peak, though the weak interbilayer interactions could still yield a 3D ordered... ferromagnetic but that orthorhombicity favors magnetism via a ...

Source: Mazin, Igor - Center for Computational Material Science, Naval Research Laboratory

Collection: Physics ; Materials Science

Summary:  and ferromagnetic order on the bulk modulus K of the 3d metals is discussed using a second order perturbation... . The ferromagnetic elements Fe, Co and Ni lie towards the end of the 3d series and have large values of n... -magnetic system. For values of n(EF) ...

Source: Ecole Polytechnique, Centre de mathématiques

Collection: Mathematics

Summary:  the higher-dimensional (i.e., 2D and 3D) elec- tron gases which can usually be well described by Landau... and dynamic exchange interactions which are observed in ferromagnet/paramagnet hybrids. A moving ferromagnetic... angular momentum out of the ferromagnet. This spin angular momentum ...

Source: Prentiss, Mara - Department of Physics, Harvard University

Collection: Physics

Summary:  .5 1 1.5 2 Re c (c) 1 0.5 0 0.5 1 1.5 2 0 0.5 1 1.5 2 2.5 3 (d) 0 0.5 1 1.5 2 2.5 3 1 0.5 0 0.5 1 Im... -dimensional configuration consisting of two small pieces of ferromagnetic material separated by a metallic one and contacted... the correlation induced between the magnetizations of the two ferromagnets ...

Source: Bruder, Christoph - Department für Physik und Astronomie, Universität Basel

Collection: Physics ; Materials Science

Summary:  A Criterion for Ferromagnetism in the Isotropic Quantum Heisenberg Model Paul Federbush Department... leads in short order to a rigorous proof of the ferromagnetic phase transition for the isotropic quantum... for ferromagnetism is presented suggesting a line of proof to rigorously ...

Source: Mathematical Physics Preprint Archive

Collection: Mathematics

Summary:  - tion GF (z, ) inside a ferromagnetic metal F on the scale F [see Appendix E]. V. ISOTROPIZATION SCHEME... , the ferromagnetic exchange field causes spatial oscillations of the isotropic Green's function G, which re- sults e... arXiv:0911.4784v2[cond-mat.supr-con]18Apr2011 Spin-dependent boundary conditions ...

Source: Cottet, Audrey - Laboratoire Pierre Aigrain, Département de Physique, École Normale Supérieure

Collection: Physics ; Materials Science

Summary:  a ferromagnetic metal F on the scale F see Appendix E . V. ISOTROPIZATION SCHEME In this section, we show... Spin-dependent boundary conditions for isotropic superconducting Green's functions Audrey Cottet,1... - structures comprising superconducting elements, namely, the Usadel equations for isotropic Green's ...

Source: Cottet, Audrey - Laboratoire Pierre Aigrain, Département de Physique, École Normale Supérieure

Collection: Physics ; Materials Science

Summary:  . Lambert, H. Voillaume and N. Dominguez, "A 3D model for eddy current inspection in aeronautics... EDDY CURRENT TESTING OF FERROMAGNETIC MATERIALS: MODELLING OF MULTIPLE FLAWS IN A PLANAR STRATIFIED... (ECT) is a standard technique in industry for the detection of surface breaking flaws in ferromagnetic

Source: Ecole Polytechnique, Centre de mathématiques

Collection: Mathematics

Summary:  . . . . . . . . . . . . . . . . . . . . . . . . . 67 3.2.1 3D nano-precipitate growth . . . . . . . . . . . . . . . 67 3.2.2 Magnetic properties of As... concentration regions which connect each other. This spinodal de- composition (2D or 3D) leads to the formation... -type (Ga,Mn)As DMS, the p-d exchange ...

Source: Ecole Polytechnique, Centre de mathématiques

Collection: Mathematics

Summary:  . Rev. Lett. 46, 49 1981 . 2 E. I. Blount and C. M. Varma, Phys. Rev. Lett. 42, 1079 1979 . 3 D. E... , antiferromagnetic, and weakly ferromagnetic regimes in magnetic fields up to 20 Oe, well below Hc1, with two results... , a weak, random magnetic signal appears in the ferromagnetic phase below TWFM=2.3 K, ...

Source: Fisher, Ian - Geballe Laboratory for Advanced Materials & Department of Applied Physics, Stanford University; Moler, Kathryn A. - Department of Applied Physics, Stanford University

Collection: Materials Science ; Physics

Summary:  through 3D clusters, (d) the Debye-Sherrer diagram for polycrystalline surfaces... Studies of Ferromagnetic Semiconducting Hybrid Structures by Miyeon Cheon December, 2005... .4 Ferromagnetic resonant interband tunneling diodes . . . . . . . . . . . . . . . . . . . 113 6.5 Summary

Source: McCombe, Bruce D. - Department of Physics, State University of New York at Buffalo

Collection: Physics ; Materials Science

Summary:  mm0 m0 ) symmetry for the ferromagnetic magnetization density in the [100] direction, or D3d C3i (3m0... the magnetic point group is D3d C3i C3i 1 RC2x C3i. Here too the order pa- rameter transforms like one... for Superconductivity in Ferromagnetic ZrZn2 M.B. Walker ...

Source: Walker, Michael B. - Department of Physics, University of Toronto

Collection: Physics ; Materials Science

Summary:  solution was evaporated in the absence of spinning. The 3D AFM topographic image of silica monolayers... ferromagnetic nanoparticles from organometallic precursors and deposit them on isotropic substrates placed... Organized Silica Microspheres Carrying Ferromagnetic Cobalt Nanoparticles ...

Source: Prozorov, Ruslan - Ames Laboratory & Department of Physics and Astronomy, Iowa State University

Collection: Physics

Summary:  2 Clamping of ferroelectric and ferromagnetic domain walls in conical spiral magnets1... the structure of ferromagnetic end ferroelectric domain walls and the interaction between the two. We show... . Mostovoy, arXiv:0906.5298. #12;26 Clamping of ferroelectric and ferromagnetic domain walls... 90-flop

Source: Groningen, Rijksuniversiteit - Centre for Ecological and Evolutionary Studies, Department of Marine Benthic Ecology and Evolution,

Collection: Biology and Medicine ; Environmental Sciences and Ecology

Summary:  Kondo effect and STM spectra through ferromagnetic nanoclusters Gregory A. Fiete,1 Gergely Zarand,1... -flip scattering of electrons from finite size ferromagnetic clusters adsorbed on metallic surfaces. We study two... models of nanometer size ferromagnets. i An itinerant model with delocalized s, p, and d electrons and ii

Source: Heller, Eric - Departments of Chemistry & Physics, Harvard University

Collection: Materials Science ; Physics

Summary:  - gested for the QLRO state. Specifically, for the QLRO state, I Q A Q2 B Q2 x 3 with x 1.5 for m 3, d 3... in which state the sample should be describable as an m 3, d 3 RMA material . With further annealing... that the asymmetric domain-wall pinning or nucleation is a relatively weak effect. Figure ...

Source: Hellman, Frances - Department of Physics, University of California at Berkeley

Collection: Materials Science

Summary:  ] in 1936, the current in 3d metals is mostly carried by s electrons since the d electron effective mass m d... NORTHWESTERN UNIVERSITY Nonequilibrium and Quantum Transport Phenomena in Mesoscopic Ferromagnet... Phenomena in Mesoscopic Ferromagnet/Superconductor Heterostructures Jos´e Aumentado Although the ...

Source: Chandrasekhar, Venkat - Department of Physics and Astronomy, Northwestern University

Collection: Physics ; Materials Science

Summary:  the description of strongly correlated 3d electrons of Mn the LDA + U method is employed. The strongest exchange... for hexagonal (Pmma) structure. To improve the description of Mn 3d electrons we used the rotationally invariant... systems. In the present paper the exchange integrals of the ...

Source: Dellago, Christoph - Institute for Experimental Physics, Universität Wien

Collection: Physics ; Materials Science

Summary:  that of the isotropic alloy. (Fe, Co)-rich particles of ferromagnetic 1 phase for the isotropic alloy are spherical... conditions were investigated. Orientation and morphology of the ferromagnetic 1 phase embedded in 2 phase... (TEM). The results show that the ellipsoidal particles of ...

Source: Qin, Lu-Chang - Department of Physics and Astronomy, University of North Carolina at Chapel Hill

Collection: Materials Science ; Physics

Summary:  instability due to the exchange interac- tion in a three dimensional 3D electron gas attracted atten- tion... calculations4,5 have confirmed the presence of ferromag- netism in the phase diagram of the 3D electron gas... questions on the wisdom of thinking of strongly correlated layered system such as ...

Source: Boston University, Center for Nanoscience and Nanobiotechnology

Collection: Materials Science

Summary:  V, respectively [7]. These edges involve the 3d3/2,5/2 5f and 4d3/2,5/2 5f electronic transitions, respectively... . In our case X is either the 3d3/2 or 3d5/2 level. For a thick sample such as ours, the absorption... from the background determination in the ...

Source: Quantum Electron Matter Group, Van der Waals-Zeeman Institute for Experimental Physics, Universiteit van Amsterdam

Collection: Physics ; Materials Science

Summary:  dynamics of nearly isotropic ferromagnet in the ordered phase consists in an observation of the power... that the ideal in nite isotropic ferromagnet would be in a \critical" state at any temperature, i... . According to a predictions of scaling theory in the case of an isotropic ...

Source: Titov, Anatoly - Laboratory of Molecular Beams, Petersburg Nuclear Physics Institute

Collection: Physics

Summary:  ago that Sr2RuO4 may be a p-wave superconductor [1]. The main consideration was that the sister 3D... , and unlike cuprates and most 3d oxides, the conventional local density approximation (LDA) pro- vides a very... ., Proceedings of the Conference on Anomalous Complex Superconductors, Crete, 1998 (to be ...

Source: Mazin, Igor - Center for Computational Material Science, Naval Research Laboratory

Collection: Physics ; Materials Science

Summary:  , 2003; E-mail: gwhitesides@gmwgroup.harvard.edu This paper describes the three-dimensional (3D) self... can direct and stabilize the formation of ordered, 3D structures by self-assembly. The application... no demonstrations of 3D assemblies of micro- structures by ...

Source: Prentiss, Mara - Department of Physics, Harvard University

Collection: Physics

Summary:  -temperature ferromagnetism for the isotropic Hubbard model in multilayers of finite thickness [27]. On the other hand... to the above systems as S1: dFM1/dNM /dFM2/dSUB, S2: dFM1/dNM /dr NM2/dSUB, S3: dFM1/dNM , and S4: dNM /dFM2/d... the temperature T C2 as a quasi-Curie dNM=0 dNM=1 dNM=2 ...

Source: Potthoff, Michael - Department Physik, Universität Hamburg

Collection: Physics

Summary:  in the 3D case, Hck varies as 1 2 T Tcs [3,13]. In Fig. 6 we plot the temperature dependence of the crit... fields Hc of all samples depend linearly on T Tcs as shown in the inset. However, both 2D and 3D... , a signature of 3D behavior, corroborating the earlier ...

Source: Xiao, John Q. - Department of Physics and Astronomy, University of Delaware

Collection: Materials Science ; Physics

Summary:  start by preparing a Mott insulator with filling factor three in a three-dimensional (3D) lattice... insulator in a deep 3D lattice [15, 16]. By applying a double-well superlattice along the z... Probing interaction-induced ferromagnetism in optical superlattices This article has been

Source: Demler, Eugene - Department of Physics, Harvard University

Collection: Physics ; Materials Science

Summary:  Abstract a-TDAE-C60 is a purely organic soft ferromagnet with TCE16 K: The mechanism of the ferromagnetism... ; 76.50.+g Keywords: TDAE-C60; ESR; Organic ferromagnet; Fulleride; Pressure Organic ferromagnet... in TDAEþ to the ferromagnetism has been a key point in its mechanism. However, ...

Source: Mizoguchi, Kenji - Department of Physics, Tokyo Metropolitan University

Collection: Physics ; Materials Science

Summary:  the polymer matrix, causing an increase of bending modulus of the composites. It is seen in Fig. 3(d) that... Bending properties of epoxy resin matrix composites filled with Ni­Mn­Ga ferromagnetic shape memory... with Ni­Mn­Ga ferromagnetic shape memory alloy powders, with and without magnetic field ...

Source: Zheng, Yufeng - Department of Advanced Materials and Nanotechnology, Peking University

Collection: Materials Science ; Biology and Medicine

Summary:  the double peak located at sinh 1 = ±1/1. J tran /J iso -0.25, the domain-wall width is about 3d0, with d0... ferromagnet systems similar to the way the external magnetic field or the spin-polarized current drives... it in fermion ferromagnets. DOI: 10.1103/PhysRevA.81.015602 PACS number(s): 03.75.Mn, ...

Source: Liu, Wu-Ming - Laboratory of Condensed Matter Theory and Materials Computation, Institute of Physics, Chinese Academy of Sciences

Collection: Physics

Summary:  S R2 r 2 , R1 r 2 D 5 H 2ivr “ 3 2r “ 3 D “ S R2 r 2 D 2h S R2 r 2 D s “ 3J G “ vS R2 r 2 , R1 r 2 D 1... r “ 3 d 3 ~ r !, F \ 2 2m S 1 2 ] ]R 1 ] ]r D 2 1m G G “ vS R2 r 2 , R1 r 2 D 5G “ vS R2 r 2 , R1 r... 2 D H 2ivr “ 3 2r “ 3 D “ S R2 r 2 D 2h S R2 r 2 ...

Source: Demler, Eugene - Department of Physics, Harvard University

Collection: Physics ; Materials Science

Summary:  to the monatomic chains. Local spin density calculations for Co/Pt(997) show that the narrowing of the Co 3d band... for the monatomic chains represents the highest orbital moment found in a 3d itinerant electron system... become the object of experiments. Here we have shown evidence that ®nite 1D ...

Source: Kern, Klaus - Nanoscale Science Department, Max-Planck-Institut für Festkörperforschung

Collection: Materials Science

Summary:  . In the pyrochlore SMO, the trigonal symmetry (D3d) of the CEF splits the 6 H5/2 ground state in a free Sm3+ ion... 1 Ordered spin-ice state in the geometrically frustrated metallic-ferromagnet Sm2Mo2O7 Surjeet... magnetic and thermodynamic studies on the metallic-ferromagnet pyrochlore Sm2Mo2O7. Our studies, ...

Source: Ecole Polytechnique, Centre de mathématiques

Collection: Mathematics

Summary:  structure of the ferromagnetic edge in a balanced 3D system is a hedgehog [32,33]. We now explain why we... is expected for 2D and three-dimensional (3D) systems. In the second part of the article, we give a general... discuss differences in magnetic structures for 2D and ...

Source: Demler, Eugene - Department of Physics, Harvard University

Collection: Physics ; Materials Science

Summary:  with the use of elements that have a high magnetic moment per atom like rare earths (RE) and some 3d transition... . Magnetization and specific heat measurements performed on Gd5CoSi2 reveal a ferromagnetic behaviour below TC=168... , for the gadolinium [1] and giant MCE in the pseudo-binary compound Gd5Si2Ge2 [2], research of new ...

Source: Ecole Polytechnique, Centre de mathématiques

Collection: Mathematics

Summary:  their total spin, and is also involved in the ferromagnetism of 3d metals (Fe, Ni, Co) and other materials... magnetic moments in ferromagnetic 3d metals, µFe 2.2, µCo 1.7, µNi 0.6, are noticeably smaller than cor... 3d ...

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

Collection: Physics

Summary:  magnetic ferroelectrics. However, as the ferromagnetic exchange is mediated by itinerant 3d... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 2.1.1 Ferromagnets . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 2.1.2 Ferroelectrics... . . . . . . . . . . . . . . . . . . . . . ...

Source: Gross, Rudolf - Walther-Meissner-Institute for Low Temperature Research & Physik Department, Technische Universität München

Collection: Physics

Summary:  of Physics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, U.S.A. The ferromagnetic... . Conversely, in the ferromagnetic-spinglass- antiferromagnetic phase diagram, the spin-glass phase expands... under quenched dilution at the expense of the ferromagnetic and antiferromagnetic phases. In the ferro

Source: Gozuacik, Devrim - Faculty of Engineering and Natural Sciences, Sabanci University

Collection: Biology and Medicine

Summary:  ) for a suitable constant e1 R3 , whereupon pm(h) 2 L2(R3) D1, h2 m (h) ,3 2 L2(R3) D2, (4.18) where D1 and D2... by a scaling calculation the limiting form of the free energy govern- ing a ferromagnetic film of vanishing... of the idea that if a ferromagnetic ...

Source: Alouges, François - Centre de Mathématique Appliquées, École Polytechnique

Collection: Mathematics

Summary:  - tion is caused by the itinerant, strongly correlated 3d elec- trons, up to now Heisenberg-type models... . 64, 3179 1990 . 3 D. P. Pappas, C. R. Brundle, and H. Hopster, Phys. Rev. B 45, 8169 1992 . 4 Z. Q... Ferromagnetism and a temperature-driven reorientation transition in thin ...

Source: Potthoff, Michael - Department Physik, Universität Hamburg

Collection: Physics

Summary:  the isotropic n-vector model in 3d space. For T Tc (Tm > T Me), the magnetic correlation function has... with the Ising model in 3d and 2d space, respectively [9, 10]. Thermalized dislocations have been employed... be caused by the unlimited growth of vortex lines. Lately the ...

Source: Ecole Polytechnique, Centre de mathématiques

Collection: Mathematics

Summary:  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 2 Clamping of ferroelectric and ferromagnetic domain walls in conical spiral magnets 25 2... of ferromagnetic domain walls in conical spirals . . . . . . . 29 2.5 Ferroelectric domain walls... : Conical spiral ground state . . . . . . . . . . . . . . . . . 34 2.B Appendix B: ...

Source: Groningen, Rijksuniversiteit - Centre for Ecological and Evolutionary Studies, Department of Marine Benthic Ecology and Evolution,

Collection: Biology and Medicine ; Environmental Sciences and Ecology

Summary:  a geometrical construction shown in Fig. 3d and taking into account that (i) H is small, we find that Heff H... of magnetization in a ferromagnetic material by means of spin­orbit magnetic field Alexandr Chernyshov1 *, Mason... is enhanced in materials where ferromagnetism is carrier- mediated4 , because ...

Source: Rokhinson, Leonid - Department of Physics, Purdue University

Collection: Materials Science ; Physics