Structural and magnetic properties of RCo12-xTix(R=Y and Sm) compounds | Zendy

Wenquan Wang | Zendy; Yu Yan | Zendy; Wang Xue-feng | Zendy; Su Feng | Zendy; Xiangqun Wang | Zendy; Hanmin Jin | Zendy

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Structural and magnetic properties of RCo12-xTix(R=Y and Sm) compounds

Author(s) -

Wenquan Wang,

Yu Yan,

Wang Xue-feng,

Su Feng,

Xiangqun Wang,

Hanmin Jin

Publication year - 2003

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.52.150

Subject(s) - materials science , curie temperature , anisotropy , magnetization , condensed matter physics , diffraction , content (measure theory) , basal plane , lattice (music) , lattice constant , nuclear magnetic resonance , analytical chemistry (journal) , magnetic field , ferromagnetism , chemistry , physics , optics , mathematical analysis , mathematics , chromatography , quantum mechanics , acoustics

Magnetic and structural properties of RCo12-xTix with R=Y and Sm compounds have been investigated by using x-ray diffraction and magnetic measurements. It was found that all compounds investigated are almost of a single phase with the ThMn12-type structure. x-ray diffraction patterns of magnetically aligned powder samples indicate that the easy magnetization directions (EMD) at room temperature are in the basal plane for SmCo12-xTix compounds while for YCo12-xTix compounds the EMDs are along the c-axis. The lattice parameters increase monotonically with increasing Ti content for all the compounds investigated. The Curie temperature Tc decreases monotonically with increasing Ti content for both YCo12-xTix and SmCo12-xTix. The saturation magnetization Ms decreases with increasing Ti content for all the systems. The anisotropy field μ0Ha of YCo12-xTix compounds decreases monotonically with increasing Ti content, while the Ti content dependence of the anisotropy fields μ0Ha for SmCo12-xTix compounds exhibits a maximum at about x=1.74, which can be understood in terms of a two-sublattice model of anisotropy.

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