Magnetostructural transition in Gd5Sb0.5Ge3.5
dc.contributor.author | Chernyshov, A. | |
dc.contributor.author | Mudryk, Yaroslav | |
dc.contributor.author | Schlagel, Deborah | |
dc.contributor.author | Paudyal, Durga | |
dc.contributor.author | Pecharsky, Vitalij | |
dc.contributor.author | Gschneidner, Karl | |
dc.contributor.author | Lograsso, Thomas | |
dc.contributor.department | Ames National Laboratory | |
dc.date | 2018-02-13T14:29:59.000 | |
dc.date.accessioned | 2020-06-29T23:27:51Z | |
dc.date.available | 2020-06-29T23:27:51Z | |
dc.date.copyright | Thu Jan 01 00:00:00 UTC 2009 | |
dc.date.embargo | 2013-09-21 | |
dc.date.issued | 2009-11-17 | |
dc.description.abstract | <p>Magnetic and crystallographic properties of Gd<sub>5</sub>Sb<sub>0.5</sub>Ge<sub>3.5</sub> were investigated using dc magnetization, ac magnetic susceptibility, and heat capacity of an oriented single crystal, combined with temperature and magnetic field dependent x-ray powder diffraction. The compound undergoes an unusual magnetostructural transition at 40 K and a nonmagnetic second-order transition around 63 K. The detailed crystallographic study of Gd<sub>5</sub>Sb<sub>0.5</sub>Ge<sub>3.5</sub> shows that contrary to the R<sub>5</sub>(Si<sub>x</sub>Ge<sub>1−x</sub>)<sub>4</sub> systems (R is a rare-earth metal), the structural transition occurs without shear displacements of the <sub>∞</sub>2[R<sub>5</sub>T<sub>4</sub>] slabs (T=Si, Ge, and Sb), and a substantial volume change (−0.5%) does not lead to a change in crystallographic symmetry. The first-principles electronic structure calculations show higher interslab than intraslab ferromagnetic exchange interaction indicating that Sm<sub>5</sub>Ge<sub>4</sub> type of structure supports a ferromagnetic ground state in Gd<sub>5</sub>Sb<sub>0.5</sub>Ge<sub>3.5</sub>.</p> | |
dc.description.comments | <p>This article is from <em>Physical Review B</em> 80, no. 18 (2009): 184416, doi:<a href="http://dx.doi.org/10.1103/PhysRevB.80.184416" target="_blank">10.1103/PhysRevB.80.184416</a>.</p> | |
dc.format.mimetype | application/pdf | |
dc.identifier | archive/lib.dr.iastate.edu/ameslab_pubs/67/ | |
dc.identifier.articleid | 1057 | |
dc.identifier.contextkey | 4611578 | |
dc.identifier.s3bucket | isulib-bepress-aws-west | |
dc.identifier.submissionpath | ameslab_pubs/67 | |
dc.identifier.uri | https://dr.lib.iastate.edu/handle/20.500.12876/8028 | |
dc.language.iso | en | |
dc.source.bitstream | archive/lib.dr.iastate.edu/ameslab_pubs/67/2009_ChernyshovAS_MagnetostructuralTransitionGd5Sb05Ge35.pdf|||Sat Jan 15 01:26:43 UTC 2022 | |
dc.source.uri | 10.1103/PhysRevB.80.184416 | |
dc.subject.disciplines | Condensed Matter Physics | |
dc.subject.disciplines | Metallurgy | |
dc.subject.keywords | Materials Science and Engineering | |
dc.title | Magnetostructural transition in Gd5Sb0.5Ge3.5 | |
dc.type | article | |
dc.type.genre | article | |
dspace.entity.type | Publication | |
relation.isAuthorOfPublication | 220ce8a4-546b-4118-8d44-911799a0ffa1 | |
relation.isAuthorOfPublication | 316ee29f-99a9-49bc-a048-0f43caf97aa5 | |
relation.isOrgUnitOfPublication | 25913818-6714-4be5-89a6-f70c8facdf7e |
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