AS-DEPOSITED SB-DOPED BI-PB-SR-CA-CU-O THIN-FILMS PREPARED BY PULSED LASER DEPOSITION

被引：20

作者：

MAO, XL

RUSSO, RE

LIU, HB

HO, JC

机构：

[1] WICHITA STATE UNIV,DEPT PHYS,WICHITA,KS 67208

[2] WICHITA STATE UNIV,DEPT CHEM,WICHITA,KS 67208

[3] WICHITA STATE UNIV,NATL INST AVIAT RES,WICHITA,KS 67208

来源：

APPLIED PHYSICS LETTERS | 1990年 / 57卷 / 24期

关键词：

D O I：

10.1063/1.103824

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Superconducting Bi-Pb-Sr-Ca-Cu-O films doped with Sb have been fabricated on MgO single-crystal substrates without post-annealing, using pulsed excimer laser deposition. Deposition at 800°C in 0.2 Torr oxygen environment from a target doped with Sb yielded as-deposited superconducting films with zero resistance at 70 K. X-ray diffraction data show the films are c-axis oriented 2212 phase material. Scanning electron micrographs indicate that doping with Sb enhances grain growth. These results demonstrate that Sb acts to stabilize the 2212 phase in the as-deposited films.

引用

页码：2591 / 2593

页数：3

共 16 条

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