COMPLETE FERMI-SURFACE MAPPING OF BI2SR2CACU2O8+X (001) - COEXISTENCE OF SHORT-RANGE ANTIFERROMAGNETIC CORRELATIONS AND METALLICITY IN THE SAME PHASE

被引：358
作者：
AEBI, P
OSTERWALDER, J
SCHWALLER, P
SCHLAPBACH, L
SHIMODA, M
MOCHIKU, T
KADOWAKI, K
机构：
[1] NATL RES INST MET,2-3-12 NAKAMEGURO,MEGURO KU,TOKYO 153,JAPAN
[2] NATL RES INST MET,TSUKUBA,IBARAKI 305,JAPAN
来源：
PHYSICAL REVIEW LETTERS | 1994年 / 72卷 / 17期
关键词：
D O I：
10.1103/PhysRevLett.72.2757
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The Fermi surface of Bi2Sr2CaCu2O8+x(001) has been mapped at nearly 6000 points in k space using angle-resolved photoemission at 300 K. We observe both, features that are in good agreement with the local density calculation of Massidda, Yu, and Freeman [Physica (Amsterdam) 158C, 251 (1988)] and others that are missing in the calculation. Among those missing, most importantly, we find a c(2x2) superstructure on the Fermi surface strongly suggesting short range antiferromagnetic correlations. It is remarkable that this is evident in the metallic state and in the Fermi surface itself.
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页码：2757 / 2760
页数：4
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