ELECTRONIC-STRUCTURE OF HIGH-TEMPERATURE SUPERCONDUCTORS - COMPARISON OF THEORY AND EXPERIMENT

被引：3

作者：

KASOWSKI, RV

机构：

[1] Central Research and Development, E. I. du Pont de Nemours & Co, Inc., Wilmington, Delaware, 19880-0356, Experimental Station

来源：

JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 1990年 / 73卷 / 11期

关键词：

electrons; insulators; models; structure; superconductors;

D O I：

10.1111/j.1151-2916.1990.tb06432.x

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The ab initio pseudofunction method has been used to compute electronic properties of superconductors in good agreement with experiment. La2CuO4 and CuO are computed to be antiferromagnetic and semiconducting in agreement with experiment. The 0.4‐eV peak in the optical conductivity spectrum has been shown to be an interband transition for YBa2Cu3O7. The bands for Bi2Sr2CaCu2O8 as well as YBa2Cu3O7 agree well with angle‐resolved photoemission near Ef. The shake‐up peaks near 9 and 12 eV observed in photoemissio can be understood in terms of two‐electron processes envolving the local densities of states of Cu and O. A mechanism for superconductivity based on these electronic properties will be advanced. All calculations use local density potentials with no parameters. Copyright © 1990, Wiley Blackwell. All rights reserved

引用

页码：3170 / 3174

页数：5

共 31 条

[1]

ARKO AJ, COMMUNICATION

[2] ABINITIO COMPUTATION OF OPTICAL CONDUCTIVITY OF YBA2CU3O7-X [J].

CHUI, ST ;

KASOWSKI, RV ;

HSU, WY .

PHYSICAL REVIEW LETTERS, 1988, 61 (07) :885-888

[3] MAGNETISM IN CUPRIC OXIDE [J].

FORSYTH, JB ;

BROWN, PJ ;

WANKLYN, BM .

JOURNAL OF PHYSICS C-SOLID STATE PHYSICS, 1988, 21 (15) :2917-2929

[4]

GHIASEN J, 1988, PHYS REV B, V38, P11322

[5] EFFECTS OF DOPING AND STRUCTURE ON THE ELECTRONIC-PROPERTIES OF ND2CUO4 [J].

GUO, GY ;

SZOTEK, Z ;

TEMMERMAN, WM .

PHYSICA C, 1989, 162 :1351-1352

[6] ELECTRONIC BAND-STRUCTURE OF CABI2SR2CU2O8 [J].

HYBERTSEN, MS ;

MATTHEISS, LF .

PHYSICAL REVIEW LETTERS, 1988, 60 (16) :1661-1664

[7]

JARLBORG T, 1983, PHYS REV B, V27, P158

[8] PSEUDOFUNCTION METHOD - APPLICATION TO A MONOLAYER OF CO AND TO THE SI(111) SURFACE [J].

KASOWSKI, RV ;

TSAI, MH ;

RHODIN, TN ;

CHAMBLISS, DD .

PHYSICAL REVIEW B, 1986, 34 (04) :2656-2663

[9] SELF-CONSISTENT ANTIFERROMAGNETIC GROUND-STATE FOR LA2CUO4 VIA ENERGY-BAND THEORY [J].

KASOWSKI, RV ;

TSAI, MH ;

DOW, JD .

PHYSICAL REVIEW B, 1990, 41 (13) :8949-8954

[10] SELF-CONSISTENT ANTIFERROMAGNETIC GROUND-STATE FOR LA2CUO4 AND CUO VIA ENERGY-BAND THEORY [J].

KASOWSKI, RV ;

TSAI, MH ;

DOW, JD ;

CZYZYK, MT .

PHYSICA C, 1989, 162 (pt2) :1349-1350

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