BIS AND XPS STUDY OF YBP, YBAS AND YB4AS3

被引:13
作者
SAITOH, Y
SUGA, S
MATSUBARA, H
TSUKIKAWA, Y
MORI, Y
OYAMADA, A
OCHIAI, A
SUZUKI, T
KASUYA, T
机构
[1] OSAKA UNIV,DEPT MAT PHYS,MACHIKANEYAMA,TOYONAKA,OSAKA 560,JAPAN
[2] TOHOKU UNIV,DEPT PHYS,SENDAI,MIYAGI 980,JAPAN
关键词
BIS; XPS; MIXED VALENCE; HEAVY FERMION; KONDO EFFECT;
D O I
10.1143/JPSJ.60.4005
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
X-ray bremsstrahlung isochromat spectra (BIS) as well as photoemission spectra (XPS) are measured for YbP, YbAs and Yb4As3. The BIS spectra have revealed clear differences in the Yb 4f and 5d states between the Yb-monopnictides and Yb4As3. Yb 4p and 5p core XPS spectra have shown the mixed valence of Yb4As3 compared with the predominance of Yb3+ in Yb-monopnictides.
引用
收藏
页码:4005 / 4008
页数:4
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