IN-SITU OBSERVATION OF BA OXIDE LAYER AT THE INTERFACE BETWEEN Y1BA2CU3O7-X FILM AND MGO SUBSTRATE

被引：11

作者：

KAMEI, M

AOKI, Y

OGOTA, S

USUI, T

MORISHITA, T

机构：

[1] Superconductivity Research Laboratory, ISTEC, Koto-ku, Tokyo 135

来源：

JOURNAL OF APPLIED PHYSICS | 1993年 / 74卷 / 01期

关键词：

D O I：

10.1063/1.354129

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The very first stage of the growth of c-axis oriented Y1Ba2Cu3O7-x films prepared by coevaporation of metallic constituents on MgO(100) was examined in situ by new surface sensitive x-ray spectroscopy. Using reflection high-energy electron diffraction and total reflection-angle x-ray spectroscopy, the Ba oxide layer of Y1Ba2Cu3O7-x was found to grow at the interface between MgO(100). It was further observed that the coverage and the flatness of this Ba-oxide layer was higher than that of Y and Cu-oxide layers.

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页码：436 / 439

页数：4

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