Change in the magnetic ground state of LaFe11.4Al1.6 compound by the substitution of Mn for Fe

doi:10.1088/1009-1963/13/8/029

中国物理B ›› 2004, Vol. 13 ›› Issue (8): 1344-1347.doi: 10.1088/1009-1963/13/8/029

Change in the magnetic ground state of LaFe_11.4Al_1.6 compound by the substitution of Mn for Fe

王芳, 陈远富, 王光军, 孙继荣, 沈保根

State Key Laboratory of Magnetism, Institute of Physics and Centre of Condensed Matter Physics, Chinese Academy of Sciences, Beijng 100080, China

收稿日期:2004-01-09 修回日期:2004-04-13 出版日期:2004-06-21 发布日期:2005-06-30
基金资助:
Project supported by the State Key Development Programme for Basic Research of China (Grant No G1998061303), by the National High Technology Development Program of China (Grant No 2002AA324010), and by the National Natural Science Foundation of China (Gra

Change in the magnetic ground state of LaFe_11.4Al_1.6 compound by the substitution of Mn for Fe

Wang Fang (王芳), Chen Yuan-Fu (陈远富), Wang Guang-Jun (王光军), Sun Ji-Rong (孙继荣), Shen Bao-Gen (沈保根)

State Key Laboratory of Magnetism, Institute of Physics and Centre of Condensed Matter Physics, Chinese Academy of Sciences, Beijng 100080, China

Received:2004-01-09 Revised:2004-04-13 Online:2004-06-21 Published:2005-06-30
Supported by:
Project supported by the State Key Development Programme for Basic Research of China (Grant No G1998061303), by the National High Technology Development Program of China (Grant No 2002AA324010), and by the National Natural Science Foundation of China (Gra

摘要/Abstract

摘要： The structure and magnetic properties of La(Fe_{1-x}Mn_x)_{11.4}Al_{1.6} (0≤x≤0.25)compounds have been studied. The NaZn_{13}-type structure is preserved and the lattice parameter increases linearly with increasing the Mn concentration. The magnetic ground state changes from the antiferromagnetic to the spin-glass or the cluster-glass state by the substitution of Mn for Fe. Furthermore, a field-induced transition from cluster glass to ferromagnet is found for the samples with x=0.05 and 0.10.

关键词: La(Fe$_{1-x}$Mn$_x$)$_{11.4}$Al$_{1.6}$ compounds, magnetic ground state, spin glass, Arrott plot

Abstract: The structure and magnetic properties of La(Fe$_{1-x}$Mn$_x$)$_{11.4}$Al$_{1.6}$ (0≤x≤0.25)compounds have been studied. The NaZn$_{13}$-type structure is preserved and the lattice parameter increases linearly with increasing the Mn concentration. The magnetic ground state changes from the antiferromagnetic to the spin-glass or the cluster-glass state by the substitution of Mn for Fe. Furthermore, a field-induced transition from cluster glass to ferromagnet is found for the samples with x=0.05 and 0.10.

Key words: La(Fe$_{1-x}$Mn$_x$)$_{11.4}$Al$_{1.6}$ compounds, magnetic ground state, spin glass, Arrott plot

中图分类号: (Spin glasses and other random magnets)

75.50.Lk

75.50.Ee (Antiferromagnetics) 61.66.Dk (Alloys ) 75.30.Kz (Magnetic phase boundaries (including classical and quantum magnetic transitions, metamagnetism, etc.))

王芳, 陈远富, 王光军, 孙继荣, 沈保根. Change in the magnetic ground state of LaFe_11.4Al_1.6 compound by the substitution of Mn for Fe[J]. 中国物理B, 2004, 13(8): 1344-1347.

Wang Fang (王芳), Chen Yuan-Fu (陈远富), Wang Guang-Jun (王光军), Sun Ji-Rong (孙继荣), Shen Bao-Gen (沈保根). Change in the magnetic ground state of LaFe_11.4Al_1.6 compound by the substitution of Mn for Fe[J]. Chinese Physics, 2004, 13(8): 1344-1347.

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Change in the magnetic ground state of LaFe_11.4Al_1.6 compound by the substitution of Mn for Fe

Change in the magnetic ground state of LaFe_11.4Al_1.6 compound by the substitution of Mn for Fe

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