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X-ray diffraction and magnetic susceptibility studies of Lu(FexAl1-x)2 compounds (0.55 ⩽ χ ⩽ 0.65)

✍ Scribed by H. Broda; J. Szade; H. Rej

Publisher
Elsevier Science
Year
1990
Tongue
English
Weight
198 KB
Volume
162
Category
Article
ISSN
0921-4526

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✦ Synopsis

Al, x samples analysed by X-ray diffraction have the hexagonal MgZn, type structure, whereas the structure of LuFe, ,Al,, sample is of the cubic MgCu? type. A tendency for the Fe atoms to occupy the 6h sites in hexagonal structure samples was observed. The temperature dependence of magnetic susceptibility measurements x(T) exhibit a cusp-like peak (at TM) for all examined samples. Moreover, below TM the x(T) runs depend on the cooling process (without and with a magnetic field applied prior to the measurement). This behaviour of the magnetic susceptibility suggests that all the investigated compounds are cluster glasses.

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