Structure and magnetic properties of TbCo 7– x  M  x | Zendy

Guo Yongquan | Zendy; Feng Weicun | Zendy; Luo Jun | Zendy; Liang Jingkui | Zendy; Yu Xiaojun | Zendy; Li Wei | Zendy

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Structure and magnetic properties of TbCo 7– x M x

Author(s) -

Guo Yongquan,

Feng Weicun,

Luo Jun,

Liang Jingkui,

Yu Xiaojun,

Li Wei

Publication year - 2005

Publication title -

physica status solidi (a)

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.532

H-Index - 104

eISSN - 1862-6319

pISSN - 1862-6300

DOI - 10.1002/pssa.200520070

Subject(s) - electronegativity , atomic radius , valence (chemistry) , crystallography , intermetallic , ferromagnetism , transition metal , metal , crystal structure , magnetic moment , chemistry , materials science , condensed matter physics , physics , metallurgy , biochemistry , organic chemistry , alloy , catalysis

A novel intermetallic compound, TbCo 7– x M x (M = 3d transition metal or normal metal), has been successfully synthesized. TbCo 7– x M x crystallizes in a hexagonal TbCu 7 structure with space group of P6/mmm. According to the structural refinement, the M dopants occupy the 2e and 3g crystal positions based on their electronegativities. TbCo 7– x M x exhibits ferromagnetic order. The saturation moment has been calculated with a corrected magnetic valence model; the calculated results agree well with experiment. The correction to the structural stability model of TbCo 7– x M x has been discussed in terms of the effective atomic radius ratio and the difference of electronegativity between Tb and (Co, M). (© 2005 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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