Structure and Fermi surface mapping of a modulation-free Pb-Bi-Sr-Ca-Cu-O high-temperature superconductor

被引:20
作者
Schwaller, P
Aebi, P
Berger, H
Beeli, C
Osterwalder, J
Schlapbach, L
机构
[1] UNIV ZURICH,INST PHYS,CH-8057 ZURICH,SWITZERLAND
[2] ECOLE POLYTECH FED LAUSANNE,INST PHYS APPL,CH-1015 LAUSANNE,SWITZERLAND
[3] ECOLE POLYTECH FED LAUSANNE,CTR INTERDEPT MICROSCOPIE ELECTRON,CH-1015 LAUSANNE,SWITZERLAND
关键词
D O I
10.1016/0368-2048(95)02415-8
中图分类号
O433 [光谱学];
学科分类号
0703 ; 070302 ;
摘要
We measured the normal state Fermi surface of a Pb0.42Bi1.73Sr1.94Ca1.3Cu1.92O8+x(001) single crystal using angle resolved photoemission. Our experimental approach allows us to see the full topology and symmetry of this essentially two-dimensional system. The geometrical structure is probed using x-ray photoelectron diffraction and transmission electron microscopy. Structural effects on Fermi surface features are discussed. Moreover, a series of energy distribution curves is measured for an azimuthal scan of emission angles and a quantitative analysis of the bands crossing the Fermi level is given.
引用
收藏
页码:127 / 132
页数:6
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