Počet záznamů: 1

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

  1. 1.
    0342329 - FZU-D 2011 RIV NL eng J - Článek v odborném periodiku
    Arnold, Zdeněk - Isnard, O. - Mayot, H. - Míšek, Martin - Kamarád, Jiří
    Pressure effect on magnetic properties of RCo12 B6 (R=Y, Ce) compounds.
    Journal of Magnetism and Magnetic Materials. Roč. 322, 9-12 (2010), s. 1117-1119 ISSN 0304-8853.
    [Joint European Magnetic Symposia (JEMS 08) /4./. Dublin, 14.09.2008-19.09.2008]
    Grant CEP: GA ČR GA202/09/0030
    Výzkumný záměr: CEZ:AV0Z10100521
    Klíčová slova: pressure effect * magnetic property * magnetization * Curie temperature
    Kód oboru RIV: BM - Fyzika pevných látek a magnetismus
    Impakt faktor: 1.689, rok: 2010
    www.elsevier.com/locate/jmmm

    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.
    Trvalý link: http://hdl.handle.net/11104/0185088