Ti-O hybridization effect of Nb-doped SrTiO3 by resonant photoemission spectroscopy

被引:7
作者
Higuchi, T
Tsukamoto, T
Yamaguchi, S
Tezuka, Y
Shin, S
机构
[1] Tokyo Univ Sci, Dept Appl Phys, Shinjuku Ku, 1-3 Kagurazaka, Tokyo 1628601, Japan
[2] Hirosaki Univ, Fac Sci & Engn, Hirosaki, Aomori 0368561, Japan
[3] Nagoya Inst Technol, Dept Mat Sci & Engn, Showa Ku, Nagoya, Aichi 4668555, Japan
来源
JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS & EXPRESS LETTERS | 2001年 / 40卷 / 3A期
关键词
SrTi1-xNbxO3; RPES; valence band; DOS; hybridization effect;
D O I
10.1143/JJAP.40.L201
中图分类号
O59 [应用物理学];
学科分类号
摘要
The electronic structure of Nb-doped SrTiO3 (SrTi1-xNbxO3) has been investigated by resonant photoemission spectroscopy (RPES). The valence band is well described by the band calculation. The RPES spectra show that the Ti 3d partial density of states in the valence band increases with increasing Nb dopant concentration. This finding suggests that the hybridization effect between the Ti 3d and O 2p stares depends on the Nb dopant concentration.
引用
收藏
页码:L201 / L202
页数:2
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