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Pressure effect on magnetic properties of RCo.sub.12./sub. B.sub.6./sub. (R=Y, Ce) compounds

SYSNO ASEP	0342329
Document Type	J - Journal Article
R&D Document Type	Journal Article
Subsidiary J	Článek ve WOS
Title	Pressure effect on magnetic properties of RCo₁₂ B₆ (R=Y, Ce) compounds
Author(s)	Arnold, Zdeněk (FZU-D)_{RID, SAI, ORCID} Isnard, O. (FR) Mayot, H. (FR) Míšek, Martin (FZU-D)_{RID, ORCID} Kamarád, Jiří (FZU-D)_{RID, ORCID}
Source Title	Journal of Magnetism and Magnetic Materials. - : Elsevier - ISSN 0304-8853 Roč. 322, 9-12 (2010), s. 1117-1119
Number of pages	3 s.
Action	Joint European Magnetic Symposia (JEMS 08) /4./
Event date	14.09.2008-19.09.2008
VEvent location	Dublin
Country	IE - Ireland
Event type	EUR
Language	eng - English
Country	NL - Netherlands
Keywords	pressure effect ; magnetic property ; magnetization ; Curie temperature
Subject RIV	BM - Solid Matter Physics ; Magnetism
R&D Projects	GA202/09/0030 GA ČR - Czech Science Foundation (CSF)
CEZ	AV0Z10100521 - FZU-D (2005-2011)
UT WOS	000275746100021
DOI	10.1016/j.jmmm.2009.09.016
Annotation	The effect of pressure on magnetic properties of YCo12B6 and CeCo12B6 was studied in temperature range 5-300K at pressures up to 9kbar.The Curie temperature TC and spontaneous magnetization MS decrease with pressure for both compounds.The decrease can be attributed mostly tothe volume dependence of both,the Co magnetic moment and the exchange interactions.The hybridization of the p- d states as a consequence of small distances between the Co and B atoms can be one reason of the relatively low pressure effects in YCo12B6.Higher volume sensitivity of magnetic properties of CeCo12B6 in comparison with YCo12B6 can be attributed to the pressure induced changes of the Ce f- and Co d- states.
Workplace	Institute of Physics
Contact	Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579
Year of Publishing	2011

Number of the records: 1