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Title: Magnetic susceptibility of glass-forming Al-Co-Ce alloys at high temperatures
Authors: Uporov, S.
Fomina, N.
Sidorov, V.
Shunyaev, K.
Issue Date: 2008
Citation: Magnetic susceptibility of glass-forming Al-Co-Ce alloys at high temperatures / S. Uporov, N. Fomina, V. Sidorov [и др.] // 13th international conference on liquid and amorphous metals. — 2008. — Vol. 98.
Abstract: In this work magnetic susceptibility of Al91-xCo9Cex (1<x<11 at.%) and Al91-xCoxCe7 (1<x<11 at.%) alloys was investigated by Faraday's method in the wide temperature (T=300-2000 K) and field (B=0.6-1.2 T) ranges. The abnormal behavior of susceptibility above melting point of Al2R compound is discovered. The magnetic susceptibility vs concentration curves for quasybinary systems Al-Ce (X-Co = 9 at.%) and Al-Co (X-Ce = 7 at.%) were plotted. It was found that chi=f(Ce) dependences have oscillating form similar both in solid and liquid states; while for chi=f(Co) susceptibility practically does not depend on Co content. Some parameters of electron structure in Al-Co-Ce alloys are calculated from experimental results. The effective magnetic moment per cerium atom was found to be at a level of 1.1 mu(B) and does not depend on alloy composition, while cobalt atoms exist in non-magnetic state in these alloys. The existence of Al2R quasimoleculars is highly probable in these alloys and their destruction starts only near melting point of Al2R compound.
Conference name: 13th Conference on Liquid and Amorphous Metals
Conference date: JUL 08-14, 2007
DOI: 10.1088/1742-6596/98/6/062038
Appears in Collections:Научные публикации, проиндексированные в Scopus и Web of Science

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