FERMI SURFACES OF YBA2CU3O6.9 AS SEEN BY ANGLE-RESOLVED PHOTOEMISSION

被引：321

作者：

CAMPUZANO, JC

JENNINGS, G

FAIZ, M

BEAULAIGUE, L

VEAL, BW

LIU, JZ

PAULIKAS, AP

VANDERVOORT, K

CLAUS, H

LIST, RS

ARKO, AJ

BARTLETT, RJ

机构：

[1] UNIV ILLINOIS,CHICAGO,IL 60680

[2] UNIV CALIF LOS ALAMOS SCI LAB,LOS ALAMOS,NM 87545

来源：

PHYSICAL REVIEW LETTERS | 1990年 / 64卷 / 19期

关键词：

D O I：

10.1103/PhysRevLett.64.2308

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We have carried out angle-resolved photoemission spectroscopy on single crystals of YBa2Cu3O6.9. The crystals were cleaved in situ, under ultrahigh vacuum while the sample stage was cooled to 8 K. By observing the dispersion of the electron energy bands as they cross the Fermi energy, we have mapped the Fermi surfaces. There is reasonable agreement between the experimental results and the predictions of band-structure calculations using the local-density approximation, as well as with positron annihilation experiments.

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页码：2308 / 2311

页数：4

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