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Hydrogen as a probe into 5f-magnetism
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SYSNO ASEP 0342552 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Hydrogen as a probe into 5f-magnetism Author(s) Mašková, S. (CZ)
Havela, L. (CZ)
Šantavá, Eva (FZU-D) RID, ORCID
Miliyanchuk, K. (UA)Source Title International Journal of Materials Research. - : Walter de Gruyter - ISSN 1862-5282
Roč. 100, č. 9 (2009), s. 1187-1189Number of pages 3 s. Language eng - English Country DE - Germany Keywords uranium compounds ; magnetic properties ; hydrogen absorption Subject RIV BM - Solid Matter Physics ; Magnetism CEZ AV0Z10100520 - FZU-D (2005-2011) UT WOS 000270671600006 DOI 10.3139/146.110167 Annotation We performed magnetic measurements on the hydrogenated system (U, Th)CoSn as part of an investigation of UTX compounds (T - transitional metal, X - p-metal). The U1-xThxCoSn compounds crystallize in the hexagonal structure (ZrNiAl type, space group P (6) over bar 2m). Hydrogen absorption of approximately 1 H/f could be achieved. The hydrogenation does not change the crystal structure. In all cases it leads to a unit-cell expansion by 3.0% to 3.6%. Studies of the temperature dependence of the magnetic susceptibility indicate a certain increase in the Curie temperature T-C in the hydrides, but the Th concentration at which ferromagnetism vanishes remains practically unchanged (U0.2Th0.8CoSn has a paramagnetic ground state). Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2011
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