Cu 2p core-level photoemission spectrum of Sr2CuO3

被引：44

作者：

Okada, K

Kotani, A

Maiti, K

Sarma, DD

机构：

[1] UNIV TOKYO, INST SOLID STATE PHYS, MINATO KU, TOKYO 106, JAPAN

[2] INDIAN INST SCI, SOLID STATE & STRUCT CHEM UNIT, BANGALORE 560012, KARNATAKA, INDIA

来源：

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN | 1996年 / 65卷 / 06期

关键词：

nonlocal screening; Cu 2p core level photoemission; CuO2; plane; Sr2CuO3; La2CuO4; Bi2CuO4; multiple-site cluster; Lanczos method;

D O I：

10.1143/JPSJ.65.1844

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We measure the Cu 2p X-ray photoemission spectrum (XPS) of Sr2CuO3 and analyze it by means of exact diagonalization calculations for (CunO3n)(4n-) clusters. In Sr2CuO3, the intensity ratio of the 3d(y) satellite to the 3d(10)(L) under bar main line is 0.35-0.4, which is evidently smaller than that in the other high-T-c related cuprates. We ascribe it as the smaller charge-transfer energy between the Cu 3d and O 2p. The origin of the broad main-line of Sr2CuO3 is also discussed.

引用

页码：1844 / 1848

页数：5

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