STM STUDY OF YBA2CU3O7-DELTA AND BI2SR2CACU2O8+DELTA CLEAVED SURFACES

被引：14

作者：

DAVYDOV, DN

QUIVY, A

DIKO, P

DELTOUR, R

MEHBOD, M

YE, M

机构：

[1] Service de Physique des Solides, CP 233, Université Libre Bruxelles

来源：

SOLID STATE COMMUNICATIONS | 1993年 / 86卷 / 04期

关键词：

D O I：

10.1016/0038-1098(93)90502-E

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Room-temperature scanning tunneling microscopy has been used to study the cleavage process in YBa2Cu3O7-delta and Bi2Sr2CaCu2O8+delta single crystals. Many stepped structures were observed on their cleaved surfaces, and close examination showed that some steps were smaller than the unit cell in the case of YBa2Cu3O7-delta and than one half of the unit cell for Bi2Sr2CaCu2O8+delta. We believe that the steps are related to collisions of cleavage fronts with intergrowth defects or stacking faults which are typical in layered structures.

引用

页码：267 / 271

页数：5

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