ELECTRONIC-STRUCTURE OF BI2SR2CACU2O8 BY PHOTOEMISSION AND BREHMSSTRAHLUNG ISOCHROMAT SPECTROSCOPY

被引:8
作者
BOCQUET, AE
OGAWA, S
EISAKI, H
TAKAGI, H
UCHIDA, S
FUJIMORI, A
SUGA, S
机构
[1] UNIV TOKYO,INST SOLID STATE PHYS,SYNCHROTRON RADIAT LAB,TANASHI,TOKYO 188,JAPAN
[2] UNIV TOKYO,DEPT PHYS,TOKYO 113,JAPAN
[3] OSAKA UNIV,FAC ENGN SCI,DEPT MAT SCI,TOYONAKA,OSAKA 560,JAPAN
来源
PHYSICA C | 1990年 / 169卷 / 1-2期
关键词
D O I
10.1016/0921-4534(90)90281-I
中图分类号
O59 [应用物理学];
学科分类号
摘要
The electronic structure of Bi2Sr2CaCu2O8 both above and below the Fermi level has been investigated by photoemission and Bremsstrahlung isochromat (BIS) spectroscopy. A state 2.2 eV above the Fermi level is assigned to the Cu 3d10 band. A comparison with recent optical reflectivity studies shows that most interband transitions greater than ≈ 2 eV may be assigned to excitations within the Bi-O planes. Significant energy shifts are observed in the reflectivity data due to a final state effect. © 1990.
引用
收藏
页码:1 / 6
页数:6
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