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
收藏
页码：3900 / 3903
页数：4
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