LAYER-BY-LAYER GROWTH OF BI-SR-CA-CU-O SUPERCONDUCTING FILMS BY MOLECULAR-BEAM EPITAXY

被引：15

作者：

ISHIBASHI, T ^{[1
]}

OKADA, Y ^{[1
]}

YOKOYAMA, S ^{[1
]}

KAWABE, M ^{[1
]}

机构：

[1] HIROSHIMA UNIV,INTEGRATED SYST RES CTR,HIROSHIMA 724,JAPAN

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS | 1991年 / 30卷 / 12B期

关键词：

SUPERCONDUCTORS; BI-SR-CA-CU-O; MOLECULAR BEAM EPITAXY (MBE); LAYER-BY-LAYER GROWTH; RHEED OSCILLATION;

D O I：

10.1143/JJAP.30.3900

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Layer-by-layer growth of Bi2Sr2Can-1CunOx oxide superconducting films by molecular beam epitaxy (MBE) have been confirmed by observation of intensity oscillations in the reflection high-energy electron diffraction (RHEED) patterns. The period of one oscillation corresponded to a growth time of a half unit cell. The films have been prepared by a coevaporation technique, In which the Bi, Sr, Ca and Cu metal sources were evaporated simultaneously with Knudsen cells under an oxygen/ozone mixture (ozone content of 10%) atmosphere. The 2212 phases fabricated exhibited critical temperatures below 70 K.

引用

页码：3900 / 3903

页数：4

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