Magnetic properties and electronic structure of GdN4Si compound

被引:14
作者
Kowalczyk, A.
Szajek, A.
Falkowski, M.
Chelkowska, G.
机构
[1] Polish Acad Sci, Inst Mol Phys, PL-60179 Poznan, Poland
[2] Silesian Univ, Inst Phys, PL-40007 Katowice, Poland
关键词
rare earth-nickel intermetallics; XPS; electronic structure;
D O I
10.1016/j.jmmm.2006.01.024
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Electronic structure of the ternary GdNi4Si Compound, crystallizing in hexagonal CaCu5 structure (P6/mmm space group) was studied by magnetic measurements, X-ray photoelectron spectroscopy (XPS) and ab initio calculations. Core levels and valence band were investigated. The valence band of the XPS spectra is determined mainly by the Ni(3d) and Gd(4f) bands. The peaks' positions are in good agreement with binding energies of a metallic gadolinium and nickel. The experimental valence band spectrum as well as the calculated density of states exhibit the domination of the Ni(3d) states in region from -4eV to the Fermi level. (C) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码:348 / 351
页数:4
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