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Magnetization and specific heat study of metamagnetism in Lu.sub.2./sub.Fe.sub.17./sub.-based intermetallic compounds
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SYSNO ASEP 0343078 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Magnetization and specific heat study of metamagnetism in Lu2Fe17-based intermetallic compounds Author(s) Tereshina, Evgeniya (FZU-D) RID
Andreev, Alexander V. (FZU-D) RID, ORCIDSource Title Intermetallics. - : Elsevier - ISSN 0966-9795
Roč. 18, č. 6 (2010), 1205-1210Number of pages 6 s. Language eng - English Country GB - United Kingdom Keywords rare-earth intermetallics ; magnetic properties ; single crystal growth Subject RIV BM - Solid Matter Physics ; Magnetism R&D Projects GA202/09/0339 GA ČR - Czech Science Foundation (CSF) CEZ AV0Z10100520 - FZU-D (2005-2011) UT WOS 000278040800012 DOI 10.1016/j.intermet.2010.03.008 Annotation The effects of substitutions of Ru for Fe and Ce for Lu on magnetic and thermal properties of Lu2Fe17 are studied by means of magnetization and specific heat measurements on single-crystalline samples of Lu2Fe17-xRux (x = 0, 0.5 and 1) and (Lu0.8Ce0.2)2Fe17. Both substitutions lead to the suppression of the low-temperature ferromagnetic phase present in Lu2Fe17, resulting in stabilization of the antiferromagnetism. An increase of the Sommerfeld coefficient is found for both substitution cases. The results are discussed taking into account the interatomic distance variation and the change of the electronic structure upon substitution. Thermal properties of Lu2Fe16.5Ru0.5 and (Lu0.8Ce0.2)2Fe17 are also studied across the metamagnetic transition restoring the F coupling. Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2011
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