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MAGNETIC PROPERTIES AND CRYSTALLIZATION OF AMORPHOUS ALLOYS Co_(90-x)Cr_xZr_(10) |
HU Fengxia;CHEN Jinchang;SHEN Baogen;GUO Huiqun Institute of Physics; Academia Sinica; Beijing; Beijing Teacher's College; Institute of Physics; Academia Sinica; Beijing |
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Cite this article:
HU Fengxia;CHEN Jinchang;SHEN Baogen;GUO Huiqun Institute of Physics; Academia Sinica; Beijing; Beijing Teacher's College; Institute of Physics; Academia Sinica; Beijing. MAGNETIC PROPERTIES AND CRYSTALLIZATION OF AMORPHOUS ALLOYS Co_(90-x)Cr_xZr_(10). Acta Metall Sin, 1992, 28(2): 71-76.
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Abstract Curie temperature of amorphous alloys Co_(90-x)Cr_xZr_(10)decreases linearly with increasing x. Average magnetic moment per magnetic atom Co or Cr is 1.51 μB or --3.62 μB respectively. The temperature dependence of spontaneous magnetization at low temperatureis in agreement with Bloch's T~(3/2) law. The spin wave stiffness constant decreases with increasing x from 4 to 20. The range of interaction is 2--3 atoms for x=4 and neighbourest atom for x=20. The crystallization temperature increases monotonically with increasing x. It may be related toaverage number of outer electrons per atom. The crystalline phase components of heat-treated alloys were analyzed by X--ray diffration and thermomagnetic measurement.
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Received: 18 February 1992
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