Indium segregation in Gd5(Si, Ge)4 magnetocaloric materials

Belo, João H.; Mudryk, Y.; Paudyal, D.; Pecharsky, V. K.; Oliveira, G. N. P.; Lopes, A. M. L.; Morellon, L.; Algarabel, P. A.; Magen, C.; Ibarra, M. R.; Marcano, N.; Araújo, João P.; Pereira, André M.

doi:10.1016/j.jallcom.2021.162245

Title: Indium segregation in Gd₅(Si, Ge)₄ magnetocaloric materials

Abstract

Chemical substitution is one of the most efficient tools to tune and optimize magnetic and magnetocaloric properties of the giant magnetocaloric materials. In particular, Indium substitutions could be useful both for tuning properties of these interesting intermetallic materials and to unveil their local-scale behavior across the magnetostructural transition via hyperfine techniques. Hence, in order to investigate the effect of Indium additions on the crystal structure, micro-structure, magnetic and magnetocaloric properties, a series of In-containing samples derived from the base Gd₅Si_1.2Ge_2.8 stoichiometry were prepared. Here, the major findings are that while In is insoluble in the 5:4 phase, it will instead promote the emergence of the impurity 5:3 phase and segregates into this phase. Hence, In leads to major crystallographic changes, which enhance atomic disorder and disrupt the Si to Ge ratio in the 5:4 phase. Subsequently, a higher 5:4 unit cell volume and a lower magnetic ordering temperature are found in the In-substituted samples. Finally, the magnetocaloric properties of the In-substituted samples reveal a detrimental effect on the maximum magnetic entropy change.

Authors:

Belo, João H. ^[1]; Mudryk, Y. ^[2]; Paudyal, D. ^[2]; Pecharsky, V. K. ^[2]; Oliveira, G. N. P. ^[1]; Lopes, A. M. L. ^[1]; Morellon, L. ^[3]; Algarabel, P. A. ^[3]; Magen, C. ^[3]; Ibarra, M. R. ^[3]; Marcano, N. ^[3]; Araújo, João P. ^[1]; Pereira, André M. ^[1]

Universidade do Porto (Portugal)
Ames Lab., and Iowa State Univ., Ames, IA (United States)
Universidad de Zaragoza (Spain)

Publication Date:: Sat Oct 09 00:00:00 EDT 2021

Research Org.:: Ames Lab., Ames, IA (United States)

Sponsoring Org.:: USDOE Office of Science (SC), Basic Energy Sciences (BES). Materials Sciences & Engineering Division; Foundation for Science and Technology (FCT); Ministry of Science, Innovation and Universities (MICIU)

OSTI Identifier:: 1827095

Report Number(s):: IS-J-10,613
Journal ID: ISSN 0925-8388

Grant/Contract Number:: AC02-07CH11358; POCI/CTM/61284/2004; PTDC/CTM-NAN/115125/2009; FEDER/POCTI n0155/94; SFRH/BPD/63150/2009; SFRH/BD/88440/2012; PTDC/FISMAC/ 31302/2017; SFRH-BPD-87430/2012; POCI-01-0145-FEDER-032527; POCI-01-0145-FEDER-029454; CERN-FIS-PAR-0005-2017; MAT2017-82970-C2; E28-20R

Resource Type:: Accepted Manuscript

Journal Name:: Journal of Alloys and Compounds

Additional Journal Information:: Journal Volume: 893; Journal ID: ISSN 0925-8388

Publisher:: Elsevier

Country of Publication:: United States

Language:: English

Subject:: 36 MATERIALS SCIENCE; Magnetocaloric; Rare earth alloys and compounds; Phase diagrams; Phase transitions; Scanning electron microscopy; SEM; Magnetic measurements; Chemical substitution; Metal alloys

Citation Formats


                    Belo, João H., Mudryk, Y., Paudyal, D., Pecharsky, V. K., Oliveira, G. N. P., Lopes, A. M. L., Morellon, L., Algarabel, P. A., Magen, C., Ibarra, M. R., Marcano, N., Araújo, João P., and Pereira, André M. Indium segregation in Gd5(Si, Ge)4 magnetocaloric materials.  United States: N. p., 2021. 
Web.  doi:10.1016/j.jallcom.2021.162245.

Copy to clipboard


                    Belo, João H., Mudryk, Y., Paudyal, D., Pecharsky, V. K., Oliveira, G. N. P., Lopes, A. M. L., Morellon, L., Algarabel, P. A., Magen, C., Ibarra, M. R., Marcano, N., Araújo, João P., & Pereira, André M. Indium segregation in Gd5(Si, Ge)4 magnetocaloric materials.  United States.  https://doi.org/10.1016/j.jallcom.2021.162245

Copy to clipboard


                    Belo, João H., Mudryk, Y., Paudyal, D., Pecharsky, V. K., Oliveira, G. N. P., Lopes, A. M. L., Morellon, L., Algarabel, P. A., Magen, C., Ibarra, M. R., Marcano, N., Araújo, João P., and Pereira, André M. Sat .  
"Indium segregation in Gd5(Si, Ge)4 magnetocaloric materials".  United States.  https://doi.org/10.1016/j.jallcom.2021.162245.  https://www.osti.gov/servlets/purl/1827095.

Copy to clipboard


                    
@article{osti_1827095,

  title        = {Indium segregation in Gd5(Si, Ge)4 magnetocaloric materials},

  author       = {Belo, João H. and Mudryk, Y. and Paudyal, D. and Pecharsky, V. K. and Oliveira, G. N. P. and Lopes, A. M. L. and Morellon, L. and Algarabel, P. A. and Magen, C. and Ibarra, M. R. and Marcano, N. and Araújo, João P. and Pereira, André M.},

  abstractNote = {Chemical substitution is one of the most efficient tools to tune and optimize magnetic and magnetocaloric properties of the giant magnetocaloric materials. In particular, Indium substitutions could be useful both for tuning properties of these interesting intermetallic materials and to unveil their local-scale behavior across the magnetostructural transition via hyperfine techniques. Hence, in order to investigate the effect of Indium additions on the crystal structure, micro-structure, magnetic and magnetocaloric properties, a series of In-containing samples derived from the base Gd5Si1.2Ge2.8 stoichiometry were prepared. Here, the major findings are that while In is insoluble in the 5:4 phase, it will instead promote the emergence of the impurity 5:3 phase and segregates into this phase. Hence, In leads to major crystallographic changes, which enhance atomic disorder and disrupt the Si to Ge ratio in the 5:4 phase. Subsequently, a higher 5:4 unit cell volume and a lower magnetic ordering temperature are found in the In-substituted samples. Finally, the magnetocaloric properties of the In-substituted samples reveal a detrimental effect on the maximum magnetic entropy change.},

  doi          = {10.1016/j.jallcom.2021.162245},

  journal      = {Journal of Alloys and Compounds},

  number       = ,

  volume       = 893,

  place        = {United States},

  year         = {Sat Oct 09 00:00:00 EDT 2021},

  month        = {Sat Oct 09 00:00:00 EDT 2021}

}

Copy to clipboard

Journal Article:

Free Publicly Available Full Text

Accepted Manuscript (DOE)

Publisher's Version of Record

https://doi.org/10.1016/j.jallcom.2021.162245

Other availability

Search WorldCat to find libraries that may hold this journal

Save / Share:

Export Metadata

Save to My Library

Works referenced in this record:

On the Curie temperature dependency of the magnetocaloric effect
journal, June 2012

Belo, J. H.; Amaral, J. S.; Pereira, A. M.
Applied Physics Letters, Vol. 100, Issue 24
DOI: 10.1063/1.4726110

Tailoring the magnetism of Tb $_{5}$ Si $_{2}$ Ge $_{2}$ compounds by La substitution
journal, July 2012

Belo, J. H.; Pereira, A. M.; Araújo, J. P.
Physical Review B, Vol. 86, Issue 1
DOI: 10.1103/PhysRevB.86.014403

Giant magnetocaloric effect in the Gd ₅ Ge _2.025 Si _1.925 In _0.05 compound
journal, March 2010

Yüzüak, E.; Dincer, I.; Elerman, Y.
Chinese Physics B, Vol. 19, Issue 3
DOI: 10.1088/1674-1056/19/3/037502

New ferromagnetic 5 : 4 compounds in the rare earth silicon and germanium systems
journal, November 1967

Holtzberg, F.; Gambino, R. J.; McGuire, T. R.
Journal of Physics and Chemistry of Solids, Vol. 28, Issue 11
DOI: 10.1016/0022-3697(67)90253-3

Gd ₅ Si _{4− x} P _x : Targeted Structural Changes through Increase in Valence Electron Count
journal, February 2009

Svitlyk, Volodymyr; Miller, Gordon J.; Mozharivskyj, Yurij
Journal of the American Chemical Society, Vol. 131, Issue 6
DOI: 10.1021/ja8085033

Influence of short time milling in R₅(Si,Ge)₄, R=Gd and Tb, magnetocaloric materials
journal, November 2015

Pires, A. L.; Belo, J. H.; Turcaud, J.
Materials & Design, Vol. 85, p. 32-38
DOI: 10.1016/j.matdes.2015.06.099

Phase Competitions behind the Giant Magnetic Entropy Variation: Gd5Si2Ge2 and Tb5Si2Ge2 Case Studies
journal, July 2014

Pires, Ana; Belo, João; Lopes, Armandina
Entropy, Vol. 16, Issue 7
DOI: 10.3390/e16073813

Large magnetocaloric effect in La(FexSi1−x)13 itinerant-electron metamagnetic compounds
journal, August 2002

Fujieda, S.; Fujita, A.; Fukamichi, K.
Applied Physics Letters, Vol. 81, Issue 7
DOI: 10.1063/1.1498148

Phase control studies in Gd5Si2Ge2 giant magnetocaloric compound
journal, July 2012

Belo, J. H.; Pereira, A. M.; Ventura, J.
Journal of Alloys and Compounds, Vol. 529
DOI: 10.1016/j.jallcom.2012.02.164

Making the most of the magnetic and lattice entropy changes
journal, November 2009

Pecharsky, V. K.; Gschneidner, K. A.; Mudryk, Ya.
Journal of Magnetism and Magnetic Materials, Vol. 321, Issue 21
DOI: 10.1016/j.jmmm.2008.03.013

Gd-Ge (Gadolinium-Germanium)
journal, January 2012

Okamoto, H.
Journal of Phase Equilibria and Diffusion, Vol. 33, Issue 2
DOI: 10.1007/s11669-012-9996-0

Preparation of compounds using RF-induction
journal, December 2008

Pereira, A. M.; Peixoto, J. R.; Leitão, D.
Journal of Non-Crystalline Solids, Vol. 354, Issue 47-51
DOI: 10.1016/j.jnoncrysol.2008.06.123

Recent advances in magnetic structure determination by neutron powder diffraction
journal, October 1993

Rodríguez-Carvajal, Juan
Physica B: Condensed Matter, Vol. 192, Issue 1-2
DOI: 10.1016/0921-4526(93)90108-I

Magnetocaloric effect: From materials research to refrigeration devices
journal, April 2018

Franco, V.; Blázquez, J. S.; Ipus, J. J.
Progress in Materials Science, Vol. 93
DOI: 10.1016/j.pmatsci.2017.10.005

The effect of varying the crystal structure on the magnetism, electronic structure and thermodynamics in the Gd 5 (Si x Ge 1−x ) 4 system near x =0.5
journal, February 2003

Pecharsky, V. K.; Samolyuk, G. D.; Antropov, V. P.
Journal of Solid State Chemistry, Vol. 171, Issue 1-2
DOI: 10.1016/S0022-4596(02)00146-9

Phase separation-induced nanoscale heterogeneity in Gd5Si1.5Ge2.5
journal, September 2020

Kou, Ronghui; Chen, Zhongwei; Ouyang, Sheng
Acta Materialia, Vol. 197
DOI: 10.1016/j.actamat.2020.07.044

Gd-Si (Gadolinium-Silicon)
journal, February 2009

Okamoto, H.
Journal of Phase Equilibria and Diffusion, Vol. 30, Issue 2
DOI: 10.1007/s11669-009-9477-2

The giant magnetocaloric effect of Gd5Si1.95Ge2.05 enhanced by Sn doping
journal, October 2006

Li, J. Q.; Sun, W. A.; Jian, Y. X.
Journal of Applied Physics, Vol. 100, Issue 7
DOI: 10.1063/1.2355430

Magnetocaloric effect in La0.67Sr0.33MnO3 manganite above room temperature
journal, August 2011

Rostamnejadi, A.; Venkatesan, M.; Kameli, P.
Journal of Magnetism and Magnetic Materials, Vol. 323, Issue 16
DOI: 10.1016/j.jmmm.2011.03.036

Magnetostructural phase transitions and magnetocaloric effect in (Gd5-xScx)Si1.8Ge2.2
journal, February 2018

Rudolph, Kirk; Pathak, Arjun K.; Mudryk, Yaroslav
Acta Materialia, Vol. 145
DOI: 10.1016/j.actamat.2017.12.024

On Directional Correlation of Successive Quanta
journal, July 1940

Hamilton, Donald R.
Physical Review, Vol. 58, Issue 2
DOI: 10.1103/PhysRev.58.122

The room temperature metastable/stable phase relationships in the pseudo-binary Gd5Si4–Gd5Ge4 system
journal, May 2002

Pecharsky, A. O.; Gschneidner, K. A.; Pecharsky, V. K.
Journal of Alloys and Compounds, Vol. 338, Issue 1-2
DOI: 10.1016/S0925-8388(02)00226-8

Material-based figure of merit for caloric materials
journal, January 2018

Griffith, L. D.; Mudryk, Y.; Slaughter, J.
Journal of Applied Physics, Vol. 123, Issue 3
DOI: 10.1063/1.5004173

Structural and Magnetic Characteristics of Gd ₅ Ga _x Si _{4− x}
journal, May 2010

Wang, Hui; Misra, Sumohan; Wang, Fei
Inorganic Chemistry, Vol. 49, Issue 10
DOI: 10.1021/ic100142u

Freestanding and flexible composites of magnetocaloric Gd5(Si,Ge)4 microparticles embedded in thermoplastic poly(methyl methacrylate) matrix
journal, January 2020

Andrade, Vivian M.; Barroca, Nathalie B.; Pires, Ana L.
Materials & Design, Vol. 186
DOI: 10.1016/j.matdes.2019.108354

Phase analysis of Gd(SiGe) alloys prepared from different purity Gd with =0.475 and 0.43
journal, May 2005

Fu, H.; Chen, Y.; Tu, M.
Acta Materialia, Vol. 53, Issue 8
DOI: 10.1016/j.actamat.2005.01.045

Magnetic cooling near Curie temperatures above 300 K
journal, June 1984

Oesterreicher, H.; Parker, F. T.
Journal of Applied Physics, Vol. 55, Issue 12
DOI: 10.1063/1.333046

Disorder effects in giant magnetocaloric materials: Disorder effects in GMCE materials
journal, February 2014

Amaral, J. S.; Amaral, V. S.
physica status solidi (a), Vol. 211, Issue 5
DOI: 10.1002/pssa.201300749

Surface structure of Gd5(Si,Ge)4 crystals
journal, September 1999

Szade, J.; Skorek, G.; Winiarski, A.
Journal of Crystal Growth, Vol. 205, Issue 3
DOI: 10.1016/S0022-0248(99)00252-3

Influence of Fe addition on the microstructure, magnetic properties and magnetocaloric behavior of Gd5Si1.7Ge2.3
journal, December 2019

Uthaman, Bhagya; Raji, G. R.; Thomas, Senoy
Intermetallics, Vol. 115
DOI: 10.1016/j.intermet.2019.106629

Magnetic and structural phase diagram of ${Tb}_{5} ({Si}_{x} {Ge}_{1 - x})_{4}$
journal, February 2002

Ritter, C.; Morellon, L.; Algarabel, P. A.
Physical Review B, Vol. 65, Issue 9
DOI: 10.1103/PhysRevB.65.094405

Structural, magnetic and magnetocaloric properties of the Gd5Si4−xSbx (x=0.5–3.5) phases
journal, September 2010

Svitlyk, Volodymyr; Janice Cheung, Yan Yin; Mozharivskyj, Yurij
Journal of Magnetism and Magnetic Materials, Vol. 322, Issue 17
DOI: 10.1016/j.jmmm.2010.03.020

Gd5(Si,Ge)4 thin film displaying large magnetocaloric and strain effects due to magnetostructural transition
journal, January 2015

Hadimani, Ravi L.; Silva, Joao H. B.; Pereira, Andre M.
Applied Physics Letters, Vol. 106, Issue 3
DOI: 10.1063/1.4906056

Recent developments in magnetocaloric materials
journal, May 2005

Gschneidner, K. A.; Pecharsky, V. K.; Tsokol, A. O.
Reports on Progress in Physics, Vol. 68, Issue 6, p. 1479-1539
DOI: 10.1088/0034-4885/68/6/R04

Controlling Magnetism of a Complex Metallic System Using Atomic Individualism
journal, August 2010

Mudryk, Y.; Paudyal, D.; Pecharsky, V. K.
Physical Review Letters, Vol. 105, Issue 6
DOI: 10.1103/PhysRevLett.105.066401

${Ca}_{3} {Mn}_{2} O_{7}$ structural path unraveled by atomic-scale properties: A combined experimental and ab initio study
journal, February 2020

Rocha-Rodrigues, P.; Santos, S. S. M.; Miranda, I. P.
Physical Review B, Vol. 101, Issue 6
DOI: 10.1103/PhysRevB.101.064103

Gd _{5− x} Y _x Tt ₄ ( Tt = Si or Ge): Effect of Metal Substitution on Structure, Bonding, and Magnetism
journal, October 2008

Misra, Sumohan; Miller, Gordon J.
Journal of the American Chemical Society, Vol. 130, Issue 42
DOI: 10.1021/ja802848r

Preparation, crystal structure, magnetic and magnetothermal properties of (Gd[sub x]R[sub 5−x])Si[sub 4], where R=Pr and Tb, alloys
journal, January 2001

Spichkin, Y. I.; Pecharsky, V. K.; Gschneidner, K. A.
Journal of Applied Physics, Vol. 89, Issue 3
DOI: 10.1063/1.1335821

Magnetocaloric materials: From micro- to nanoscale
journal, November 2018

Belo, João H.; Pires, Ana L.; Araújo, João P.
Journal of Materials Research, Vol. 34, Issue 1
DOI: 10.1557/jmr.2018.352

Reduction of hysteresis losses in the magnetic refrigerant Gd5Ge2Si2 by the addition of iron
journal, June 2004

Provenzano, Virgil; Shapiro, Alexander J.; Shull, Robert D.
Nature, Vol. 429, Issue 6994
DOI: 10.1038/nature02657

Magnetocaloric materials: The search for new systems
journal, September 2012

Sandeman, Karl G.
Scripta Materialia, Vol. 67, Issue 6
DOI: 10.1016/j.scriptamat.2012.02.045

Determination of phases in as prepared Gd5(SixGe1−x)4, where x≅1/2
journal, October 2002

Meyers, J. S.; Chumbley, L. S.; Laabs, F.
Scripta Materialia, Vol. 47, Issue 8
DOI: 10.1016/S1359-6462(02)00166-5

Giant magnetocaloric effect enhanced by Pb-doping in Gd5Si2Ge2 compound
journal, September 2006

Zhuang, Y. H.; Li, J. Q.; Huang, W. D.
Journal of Alloys and Compounds, Vol. 421, Issue 1-2
DOI: 10.1016/j.jallcom.2005.11.052

Magnetic and crystal structure of ${Ho}_{5} {({Si}_{x} {Ge}_{1 - x})}_{4}$ studied by neutron diffraction
journal, September 2009

Ritter, C.; Magen, C.; Morellon, L.
Physical Review B, Vol. 80, Issue 10
DOI: 10.1103/PhysRevB.80.104427

Crystallographic and 119Sn and 155Gd Mössbauer analyses of Gd5Ge2(Si1 − xSnx)2 (x = 0.23 and x = 0.40)
journal, October 2009

Campoy, J. C. P.; dos Santos, A. O.; Cardoso, L. P.
Hyperfine Interactions, Vol. 195, Issue 1-3
DOI: 10.1007/s10751-009-0119-1

Nature of the first-order antiferromagnetic-ferromagnetic transition in the Ge-rich magnetocaloric compounds ${Gd}_{5} ({Si}_{x} {Ge}_{1 - x})_{4}$
journal, July 2000

Morellon, L.; Blasco, J.; Algarabel, P. A.
Physical Review B, Vol. 62, Issue 2
DOI: 10.1103/PhysRevB.62.1022

Critical magnetic behavior of magnetocaloric materials with the Gd5Si4-type structure
journal, April 2013

Belo, J. H.; Pereira, A. M.; Magen, C.
Journal of Applied Physics, Vol. 113, Issue 13
DOI: 10.1063/1.4798578

Metamagnetism Seeded by Nanostructural Features of Single-Crystalline Gd ₅ Si ₂ Ge ₂
journal, October 2009

Moore, James D.; Morrison, Kelly; Perkins, Garry K.
Advanced Materials, Vol. 21, Issue 37
DOI: 10.1002/adma.200900093

Tuning the Structural Transitions and Magnetocaloric Response in Gd ₅ Si _1.7 Ge _2.3 Alloys Through Cobalt Addition
journal, October 2019

Uthaman, Bhagya; Raji, G. R.; Thomas, Senoy
IEEE Transactions on Magnetics, Vol. 55, Issue 10
DOI: 10.1109/TMAG.2019.2924941

Giant Magnetocaloric Effect in ${Gd}_{5} ({Si}_{2} {Ge}_{2})$
journal, June 1997

Pecharsky, V. K.; Gschneidner, Jr., K. A.
Physical Review Letters, Vol. 78, Issue 23, p. 4494-4497
DOI: 10.1103/PhysRevLett.78.4494

Making and Breaking Covalent Bonds across the Magnetic Transition in the Giant Magnetocaloric Material ${Gd}_{5} ({Si}_{2} {Ge}_{2})$
journal, May 2000

Choe, W.; Pecharsky, V. K.; Pecharsky, A. O.
Physical Review Letters, Vol. 84, Issue 20
DOI: 10.1103/PhysRevLett.84.4617

Gd5(SixGe1-x)4: An Extremum Material
journal, May 2001

Pecharsky, V. K.; Gschneidner Jr., K. A.
Advanced Materials, Vol. 13, Issue 9
DOI: 10.1002/1521-4095(200105)13:9<683::AID-ADMA683>3.0.CO;2-O

Understanding the role played by Fe on the tuning of magnetocaloric effect in Tb5Si2Ge2
journal, March 2011

Pereira, A. M.; dos Santos, A. M.; Magen, C.
Applied Physics Letters, Vol. 98, Issue 12
DOI: 10.1063/1.3567920

Evidence for a short-range chemical order of Ge atoms and its critical role in inducing a giant magnetocaloric effect in Gd5Si1.5Ge2.5
journal, November 2019

Kou, Ronghui; Gao, Jianrong; Nie, Zhihua
Journal of Alloys and Compounds, Vol. 808
DOI: 10.1016/j.jallcom.2019.151751

Cluster-glass dynamics of the Griffiths phase in ${Tb}_{5 - x} {La}_{x} {Si}_{2} {Ge}_{2}$
journal, February 2019

Marcano, N.; Algarabel, P. A.; Barquín, L. Fernández
Physical Review B, Vol. 99, Issue 5
DOI: 10.1103/PhysRevB.99.054419

Lanthanum Dilution Effects on the Giant Magnetocaloric Gd ₅ Si _1.8 Ge _2.2 Compound
journal, September 2018

Andrade, Vivian M.; Belo, João H.; Reis, Mario S.
physica status solidi (b), Vol. 255, Issue 10
DOI: 10.1002/pssb.201800101

Griffiths-like phase of magnetocaloric $R_{5} {({Si}_{x} {Ge}_{1 - x})}_{4}$ ( $R = Gd$ , Tb, Dy, and Ho)
journal, November 2010

Pereira, A. M.; Morellon, L.; Magen, C.
Physical Review B, Vol. 82, Issue 17
DOI: 10.1103/PhysRevB.82.172406

Linear microstructural features in R5(Si,Ge)4-type alloys: Difficulties in identification
journal, February 2008

Chumbley, L. S.; Ugurlu, O.; McCallum, R. W.
Acta Materialia, Vol. 56, Issue 3
DOI: 10.1016/j.actamat.2007.10.009

Orientation and formation of atypical Widmanstaetten plates in the Gd5(SixGe1−x)4 system
journal, March 2006

Ugurlu, O.; Chumbley, L. S.; Schlagel, D. L.
Acta Materialia, Vol. 54, Issue 5
DOI: 10.1016/j.actamat.2005.10.047

The giant magnetocaloric effect of optimally prepared Gd5Si2Ge2
journal, April 2003

Pecharsky, A. O.; Gschneidner, K. A.; Pecharsky, V. K.
Journal of Applied Physics, Vol. 93, Issue 8
DOI: 10.1063/1.1558210

Similar Records in DOE PAGES and OSTI.GOV collections:

Annealing influence on the magnetostructural transition in Gd₅Si_1.3Ge_2.7 thin films

Journal Article Pires, A. L. ; Belo, J. H. ; Gomes, I. T. ; ... - Materials Letters

Due to the emerging cooling possibilities at the micro and nanoscale, such as the fast heat exchange rate, the effort to synthesize and optimize the magnetocaloric materials at these scales is rapidly growing. Here, we report the effect of different thermal treatments on Gd₅Si_1.3Ge_2.7 thin film in order to evaluate the correlation between the crystal structure, magnetic phase transition and magnetocaloric effect. For annealing temperatures higher than 500ºC, the samples showed a typical paramagnetic behavior. On the other hand, thermal treatments below 500ºC promoted the suppression of the magnetostructural transition at 190 K, while the magnetic transition around 249 Kmore »« less
Cited by 9
https://doi.org/10.1016/j.matlet.2015.05.029

Full Text Available
Insights on the origin of the Tb₅Ge₄ magnetocaloric effect

Journal Article Belo, Joao ; Barbosa, M. ; Pires, A. L. ; ... - Physica. B, Condensed Matter

In this work the magnetic, atomic structures and spin-lattice coupling have been thoroughly studied through high magnetic field magnetometry, Synchrotron X-ray diffraction under applied magnetic field and magnetostriction measurements in the Tb₅Ge₄ compounds. A field induced phase transition from an antiferromagnetic towards a ferromagnetic ordering was confirmed but with absence of structural transformation. This absence has been confirmed experimentally through synchrotron x-ray diffraction under applied field (up to 30 T). Moreover, this absence was explained via a thermodynamic free energy model: first principles calculations determined a large energy gap (ΔE=0.65 eV) between the two possible structures, O(I) and O(II). Frommore »« less
https://doi.org/10.1016/j.physb.2017.03.009

Full Text Available
oxSWATH: An integrative method for a comprehensive redox-centered analysis combined with a generic differential proteomics screening

Journal Article Anjo, Sandra I. ; Melo, Matilde N. ; Loureiro, Liliana R. ; ... - Redox Biology
Cited by 10
https://doi.org/10.1016/j.redox.2019.101130
Molecular interactions between Geobacter sulfurreducens triheme cytochromes and the redox active analogue for humic substances

Journal Article Dantas, Joana M. ; Ferreira, Marisa R. ; Catarino, Teresa ; ... - Biochimica et Biophysica Acta - Bioenergetics

We report the bacterium Geobacter sulfurreducens can transfer electrons to quinone moieties of humic substances or to anthraquinone-2,6-disulfonate (AQDS), a model for the humic acids. The reduced form of AQDS (AH₂QDS) can also be used as energy source by G. sulfurreducens. Such bidirectional utilization of humic substances confers competitive advantages to these bacteria in Fe(III) enriched environments. Previous studies have shown that the triheme cytochrome PpcA from G. sulfurreducens has a bifunctional behavior toward the humic substance analogue. It can reduce AQDS but the protein can also be reduced by AH₂QDS. Using stopped-flow kinetic measurements we were able to demonstratemore »« less
Cited by 6
https://doi.org/10.1016/j.bbabio.2018.05.007
Stellar Populations in type Ia supernova host galaxies at intermediate-high redshift: Star formation and metallicity enrichment histories

Journal Article Millán-Irigoyen, I. ; del Valle-Espinosa, M. G. ; Fernández-Aranda, R. ; ... - Monthly Notices of the Royal Astronomical Society

ABSTRACT We present a summary of our project that studies galaxies hosting type Ia supernova (SN Ia) at different redshifts. We present Gran Telescopio de Canarias (GTC) optical spectroscopy of six SN Ia host galaxies at redshift z ∼ 0.4–0.5. They are joined to a set of SN Ia host galaxies at intermediate-high redshift, which include galaxies from surveys SDSS and COSMOS. The final sample, after a selection of galaxy spectra in terms of signal-to-noise and other characteristics, consists of 680 galaxies with redshift in the range 0.04 < z < 1. We perform an inverse stellar population synthesis withmore »« less
https://doi.org/10.1093/mnras/stac2696

Similar Records

Title: Indium segregation in Gd5(Si, Ge)4 magnetocaloric materials

Abstract

Citation Formats

On the Curie temperature dependency of the magnetocaloric effect journal, June 2012

Tailoring the magnetism of Tb 5 Si 2 Ge 2 compounds by La substitution journal, July 2012

Giant magnetocaloric effect in the Gd 5 Ge 2.025 Si 1.925 In 0.05 compound journal, March 2010

New ferromagnetic 5 : 4 compounds in the rare earth silicon and germanium systems journal, November 1967

Gd 5 Si 4− x P x : Targeted Structural Changes through Increase in Valence Electron Count journal, February 2009

Influence of short time milling in R5(Si,Ge)4, R=Gd and Tb, magnetocaloric materials journal, November 2015

Phase Competitions behind the Giant Magnetic Entropy Variation: Gd5Si2Ge2 and Tb5Si2Ge2 Case Studies journal, July 2014

Large magnetocaloric effect in La(FexSi1−x)13 itinerant-electron metamagnetic compounds journal, August 2002

Phase control studies in Gd5Si2Ge2 giant magnetocaloric compound journal, July 2012

Making the most of the magnetic and lattice entropy changes journal, November 2009

Gd-Ge (Gadolinium-Germanium) journal, January 2012

Preparation of compounds using RF-induction journal, December 2008

Recent advances in magnetic structure determination by neutron powder diffraction journal, October 1993

Magnetocaloric effect: From materials research to refrigeration devices journal, April 2018

The effect of varying the crystal structure on the magnetism, electronic structure and thermodynamics in the Gd 5 (Si x Ge 1−x ) 4 system near x =0.5 journal, February 2003

Phase separation-induced nanoscale heterogeneity in Gd5Si1.5Ge2.5 journal, September 2020

Gd-Si (Gadolinium-Silicon) journal, February 2009

The giant magnetocaloric effect of Gd5Si1.95Ge2.05 enhanced by Sn doping journal, October 2006

Magnetocaloric effect in La0.67Sr0.33MnO3 manganite above room temperature journal, August 2011

Magnetostructural phase transitions and magnetocaloric effect in (Gd5-xScx)Si1.8Ge2.2 journal, February 2018

On Directional Correlation of Successive Quanta journal, July 1940

The room temperature metastable/stable phase relationships in the pseudo-binary Gd5Si4–Gd5Ge4 system journal, May 2002

Material-based figure of merit for caloric materials journal, January 2018

Structural and Magnetic Characteristics of Gd 5 Ga x Si 4− x journal, May 2010

Freestanding and flexible composites of magnetocaloric Gd5(Si,Ge)4 microparticles embedded in thermoplastic poly(methyl methacrylate) matrix journal, January 2020

Phase analysis of Gd(SiGe) alloys prepared from different purity Gd with =0.475 and 0.43 journal, May 2005

Magnetic cooling near Curie temperatures above 300 K journal, June 1984

Disorder effects in giant magnetocaloric materials: Disorder effects in GMCE materials journal, February 2014

Surface structure of Gd5(Si,Ge)4 crystals journal, September 1999

Influence of Fe addition on the microstructure, magnetic properties and magnetocaloric behavior of Gd5Si1.7Ge2.3 journal, December 2019

Magnetic and structural phase diagram of Tb 5 ( Si x Ge 1 − x ) 4 journal, February 2002

Structural, magnetic and magnetocaloric properties of the Gd5Si4−xSbx (x=0.5–3.5) phases journal, September 2010

Gd5(Si,Ge)4 thin film displaying large magnetocaloric and strain effects due to magnetostructural transition journal, January 2015

Recent developments in magnetocaloric materials journal, May 2005

Controlling Magnetism of a Complex Metallic System Using Atomic Individualism journal, August 2010

Ca 3 Mn 2 O 7 structural path unraveled by atomic-scale properties: A combined experimental and ab initio study journal, February 2020

Gd 5− x Y x Tt 4 ( Tt = Si or Ge): Effect of Metal Substitution on Structure, Bonding, and Magnetism journal, October 2008

Preparation, crystal structure, magnetic and magnetothermal properties of (Gd[sub x]R[sub 5−x])Si[sub 4], where R=Pr and Tb, alloys journal, January 2001

Magnetocaloric materials: From micro- to nanoscale journal, November 2018

Reduction of hysteresis losses in the magnetic refrigerant Gd5Ge2Si2 by the addition of iron journal, June 2004

Magnetocaloric materials: The search for new systems journal, September 2012

Determination of phases in as prepared Gd5(SixGe1−x)4, where x≅1/2 journal, October 2002

Giant magnetocaloric effect enhanced by Pb-doping in Gd5Si2Ge2 compound journal, September 2006

Magnetic and crystal structure of Ho 5 ( Si x Ge 1 − x ) 4 studied by neutron diffraction journal, September 2009

Crystallographic and 119Sn and 155Gd Mössbauer analyses of Gd5Ge2(Si1 − xSnx)2 (x = 0.23 and x = 0.40) journal, October 2009

Nature of the first-order antiferromagnetic-ferromagnetic transition in the Ge-rich magnetocaloric compounds Gd 5 ( Si x Ge 1 − x ) 4 journal, July 2000

Critical magnetic behavior of magnetocaloric materials with the Gd5Si4-type structure journal, April 2013

Metamagnetism Seeded by Nanostructural Features of Single-Crystalline Gd 5 Si 2 Ge 2 journal, October 2009

Tuning the Structural Transitions and Magnetocaloric Response in Gd 5 Si 1.7 Ge 2.3 Alloys Through Cobalt Addition journal, October 2019

Giant Magnetocaloric Effect in Gd5(Si2Ge2) journal, June 1997

Making and Breaking Covalent Bonds across the Magnetic Transition in the Giant Magnetocaloric Material Gd 5 ( Si 2 Ge 2 ) journal, May 2000

Gd5(SixGe1-x)4: An Extremum Material journal, May 2001

Understanding the role played by Fe on the tuning of magnetocaloric effect in Tb5Si2Ge2 journal, March 2011

Evidence for a short-range chemical order of Ge atoms and its critical role in inducing a giant magnetocaloric effect in Gd5Si1.5Ge2.5 journal, November 2019

Cluster-glass dynamics of the Griffiths phase in Tb 5 − x La x Si 2 Ge 2 journal, February 2019

Lanthanum Dilution Effects on the Giant Magnetocaloric Gd 5 Si 1.8 Ge 2.2 Compound journal, September 2018

Griffiths-like phase of magnetocaloric R 5 ( Si x Ge 1 − x ) 4 ( R = Gd , Tb, Dy, and Ho) journal, November 2010

Linear microstructural features in R5(Si,Ge)4-type alloys: Difficulties in identification journal, February 2008

Orientation and formation of atypical Widmanstaetten plates in the Gd5(SixGe1−x)4 system journal, March 2006

The giant magnetocaloric effect of optimally prepared Gd5Si2Ge2 journal, April 2003

Title: Indium segregation in Gd₅(Si, Ge)₄ magnetocaloric materials

On the Curie temperature dependency of the magnetocaloric effect
journal, June 2012

Tailoring the magnetism of Tb $_{5}$ Si $_{2}$ Ge $_{2}$ compounds by La substitution
journal, July 2012

Giant magnetocaloric effect in the Gd ₅ Ge _2.025 Si _1.925 In _0.05 compound
journal, March 2010

New ferromagnetic 5 : 4 compounds in the rare earth silicon and germanium systems
journal, November 1967

Gd ₅ Si _{4− x} P _x : Targeted Structural Changes through Increase in Valence Electron Count
journal, February 2009

Influence of short time milling in R₅(Si,Ge)₄, R=Gd and Tb, magnetocaloric materials
journal, November 2015

Phase Competitions behind the Giant Magnetic Entropy Variation: Gd5Si2Ge2 and Tb5Si2Ge2 Case Studies
journal, July 2014

Large magnetocaloric effect in La(FexSi1−x)13 itinerant-electron metamagnetic compounds
journal, August 2002

Phase control studies in Gd5Si2Ge2 giant magnetocaloric compound
journal, July 2012

Making the most of the magnetic and lattice entropy changes
journal, November 2009

Gd-Ge (Gadolinium-Germanium)
journal, January 2012

Preparation of compounds using RF-induction
journal, December 2008

Recent advances in magnetic structure determination by neutron powder diffraction
journal, October 1993

Magnetocaloric effect: From materials research to refrigeration devices
journal, April 2018

The effect of varying the crystal structure on the magnetism, electronic structure and thermodynamics in the Gd 5 (Si x Ge 1−x ) 4 system near x =0.5
journal, February 2003

Phase separation-induced nanoscale heterogeneity in Gd5Si1.5Ge2.5
journal, September 2020

Gd-Si (Gadolinium-Silicon)
journal, February 2009

The giant magnetocaloric effect of Gd5Si1.95Ge2.05 enhanced by Sn doping
journal, October 2006

Magnetocaloric effect in La0.67Sr0.33MnO3 manganite above room temperature
journal, August 2011

Magnetostructural phase transitions and magnetocaloric effect in (Gd5-xScx)Si1.8Ge2.2
journal, February 2018

On Directional Correlation of Successive Quanta
journal, July 1940

The room temperature metastable/stable phase relationships in the pseudo-binary Gd5Si4–Gd5Ge4 system
journal, May 2002

Material-based figure of merit for caloric materials
journal, January 2018

Structural and Magnetic Characteristics of Gd ₅ Ga _x Si _{4− x}
journal, May 2010

Freestanding and flexible composites of magnetocaloric Gd5(Si,Ge)4 microparticles embedded in thermoplastic poly(methyl methacrylate) matrix
journal, January 2020

Phase analysis of Gd(SiGe) alloys prepared from different purity Gd with =0.475 and 0.43
journal, May 2005

Magnetic cooling near Curie temperatures above 300 K
journal, June 1984

Disorder effects in giant magnetocaloric materials: Disorder effects in GMCE materials
journal, February 2014

Surface structure of Gd5(Si,Ge)4 crystals
journal, September 1999

Influence of Fe addition on the microstructure, magnetic properties and magnetocaloric behavior of Gd5Si1.7Ge2.3
journal, December 2019

Magnetic and structural phase diagram of ${Tb}_{5} ({Si}_{x} {Ge}_{1 - x})_{4}$
journal, February 2002

Structural, magnetic and magnetocaloric properties of the Gd5Si4−xSbx (x=0.5–3.5) phases
journal, September 2010

Gd5(Si,Ge)4 thin film displaying large magnetocaloric and strain effects due to magnetostructural transition
journal, January 2015

Recent developments in magnetocaloric materials
journal, May 2005

Controlling Magnetism of a Complex Metallic System Using Atomic Individualism
journal, August 2010

${Ca}_{3} {Mn}_{2} O_{7}$ structural path unraveled by atomic-scale properties: A combined experimental and ab initio study
journal, February 2020

Gd _{5− x} Y _x Tt ₄ ( Tt = Si or Ge): Effect of Metal Substitution on Structure, Bonding, and Magnetism
journal, October 2008

Preparation, crystal structure, magnetic and magnetothermal properties of (Gd[sub x]R[sub 5−x])Si[sub 4], where R=Pr and Tb, alloys
journal, January 2001

Magnetocaloric materials: From micro- to nanoscale
journal, November 2018

Reduction of hysteresis losses in the magnetic refrigerant Gd5Ge2Si2 by the addition of iron
journal, June 2004

Magnetocaloric materials: The search for new systems
journal, September 2012

Determination of phases in as prepared Gd5(SixGe1−x)4, where x≅1/2
journal, October 2002

Giant magnetocaloric effect enhanced by Pb-doping in Gd5Si2Ge2 compound
journal, September 2006

Magnetic and crystal structure of ${Ho}_{5} {({Si}_{x} {Ge}_{1 - x})}_{4}$ studied by neutron diffraction
journal, September 2009

Crystallographic and 119Sn and 155Gd Mössbauer analyses of Gd5Ge2(Si1 − xSnx)2 (x = 0.23 and x = 0.40)
journal, October 2009

Nature of the first-order antiferromagnetic-ferromagnetic transition in the Ge-rich magnetocaloric compounds ${Gd}_{5} ({Si}_{x} {Ge}_{1 - x})_{4}$
journal, July 2000

Critical magnetic behavior of magnetocaloric materials with the Gd5Si4-type structure
journal, April 2013

Metamagnetism Seeded by Nanostructural Features of Single-Crystalline Gd ₅ Si ₂ Ge ₂
journal, October 2009

Tuning the Structural Transitions and Magnetocaloric Response in Gd ₅ Si _1.7 Ge _2.3 Alloys Through Cobalt Addition
journal, October 2019

Giant Magnetocaloric Effect in ${Gd}_{5} ({Si}_{2} {Ge}_{2})$
journal, June 1997

Making and Breaking Covalent Bonds across the Magnetic Transition in the Giant Magnetocaloric Material ${Gd}_{5} ({Si}_{2} {Ge}_{2})$
journal, May 2000

Gd5(SixGe1-x)4: An Extremum Material
journal, May 2001

Understanding the role played by Fe on the tuning of magnetocaloric effect in Tb5Si2Ge2
journal, March 2011

Evidence for a short-range chemical order of Ge atoms and its critical role in inducing a giant magnetocaloric effect in Gd5Si1.5Ge2.5
journal, November 2019

Cluster-glass dynamics of the Griffiths phase in ${Tb}_{5 - x} {La}_{x} {Si}_{2} {Ge}_{2}$
journal, February 2019

Lanthanum Dilution Effects on the Giant Magnetocaloric Gd ₅ Si _1.8 Ge _2.2 Compound
journal, September 2018

Griffiths-like phase of magnetocaloric $R_{5} {({Si}_{x} {Ge}_{1 - x})}_{4}$ ( $R = Gd$ , Tb, Dy, and Ho)
journal, November 2010

Linear microstructural features in R5(Si,Ge)4-type alloys: Difficulties in identification
journal, February 2008

Orientation and formation of atypical Widmanstaetten plates in the Gd5(SixGe1−x)4 system
journal, March 2006

The giant magnetocaloric effect of optimally prepared Gd5Si2Ge2
journal, April 2003