Surface structures of (Hg,Tl)-based oxides studied by high-resolution electron microscopy

被引：12

作者：

Oku, T

Nakajima, S

机构：

[1] Osaka Univ, Inst Sci & Ind Res, Osaka 5670047, Japan

[2] Tohoku Univ, Dept Chem, Aoba Ku, Sendai, Miyagi 9808578, Japan

来源：

SURFACE SCIENCE | 1998年 / 407卷 / 1-3期

关键词：

copper oxides; electron microscopy; mercury; single; crystal surfaces; superconducting surfaces; surface structure; thallium;

D O I：

10.1016/S0039-6028(98)00239-8

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Surface structures of the (Hg, Tl)-based superconducting and related oxides were studied by high-resolution electron microscopy. The {100} planes of the 1201-type structure were found to be stable, and Hg0.5Tl0.5Ba2CuO5 showed a preferred atomic surface consisting of Ba layers. The {001} planes were also stable in HgTlBa2CuOx and TlBa2CaCu2O7. The present work indicates that the stable {100} planes of (Hg,Tl)-based superconducting oxides would be suitable for future device applications. (C) 1998 Elsevier Science B.V. All rights reserved.

引用

页码：L647 / L651

页数：5

共 18 条

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