Structure and Magnetic Properties of Y(Fe1-xCox)11.3Nb0.7
来源期刊：JOURNAL OF RARE EARTHS2001年第1期
论文作者：罗广圣 李劲松
Abstract: The structure and magnetic properties of the intermetallic compounds Y(Fe1-xCox)11.3Nb0.7(x＝0, 0.05, 0.1, 0.2) were studied by X-ray diffraction and magnetic property measurements. X-ray diffraction patterns and thermomagnetic curves show that all compounds almost exhibit single phase. All Y(Fe1-xCox)11.3Nb0.7 compounds (x＝0, 0.05, 0.1, 0.2) crystallize in ThMn12 type structure. Substitution of Co for Fe leads to a clear increasing of Curie temperature and a monotonic decreasing of lattice constants. At room temperature the composition dependence of saturation magnetization exhibits a maximum at about x＝0.1～0.2. The magnetocrystalline anisotropy field at room temperature at first increases and then decreases with the increasing of Co content.
罗广圣1，李劲松1
(1.Department of Materials Science and Engineering, Nanchang University,)
Abstract:The structure and magnetic properties of the intermetallic compounds Y(Fe1-xCox)11.3Nb0.7(x＝0, 0.05, 0.1, 0.2) were studied by X-ray diffraction and magnetic property measurements. X-ray diffraction patterns and thermomagnetic curves show that all compounds almost exhibit single phase. All Y(Fe1-xCox)11.3Nb0.7 compounds (x＝0, 0.05, 0.1, 0.2) crystallize in ThMn12 type structure. Substitution of Co for Fe leads to a clear increasing of Curie temperature and a monotonic decreasing of lattice constants. At room temperature the composition dependence of saturation magnetization exhibits a maximum at about x＝0.1～0.2. The magnetocrystalline anisotropy field at room temperature at first increases and then decreases with the increasing of Co content.
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