THE INFLUENCE OF OXYGEN VACANCIES ON FLUX PINNING IN (RE)BA2CU3O7-DELTA
被引:7
作者:
ANGADI, MA
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机构:UNIV LIVERPOOL,DEPT MAT SCI,LIVERPOOL L69 3BX,ENGLAND
ANGADI, MA
SHEN, ZX
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机构:UNIV LIVERPOOL,DEPT MAT SCI,LIVERPOOL L69 3BX,ENGLAND
SHEN, ZX
CAPLIN, AD
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机构:UNIV LIVERPOOL,DEPT MAT SCI,LIVERPOOL L69 3BX,ENGLAND
CAPLIN, AD
MCCARTNEY, DG
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机构:UNIV LIVERPOOL,DEPT MAT SCI,LIVERPOOL L69 3BX,ENGLAND
MCCARTNEY, DG
LEONYUK, L
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机构:UNIV LIVERPOOL,DEPT MAT SCI,LIVERPOOL L69 3BX,ENGLAND
LEONYUK, L
ZHUKOV, AA
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机构:UNIV LIVERPOOL,DEPT MAT SCI,LIVERPOOL L69 3BX,ENGLAND
ZHUKOV, AA
EMELCHENKO, G
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机构:UNIV LIVERPOOL,DEPT MAT SCI,LIVERPOOL L69 3BX,ENGLAND
EMELCHENKO, G
机构:
[1] UNIV LIVERPOOL,DEPT MAT SCI,LIVERPOOL L69 3BX,ENGLAND
[2] MV LOMONOSOV STATE UNIV,DEPT GEOL,MOSCOW 117234,USSR
[3] MV LOMONOSOV STATE UNIV,DEPT PHYS,MOSCOW 117234,USSR
[4] ACAD SCI USSR,INST SOLID STATE PHYS,CHERNOGOLOVKA 142432,USSR
来源:
PHYSICA C
|
1991年
/
185卷
关键词:
D O I:
10.1016/0921-4534(91)91204-H
中图分类号:
O59 [应用物理学];
学科分类号:
摘要:
Measurements of the irreversible magnetisation in single crystal and melt-textured (RE)Ba2Cu3O7-delta, with 0.05 < delta < 0.2, show that at high fields, oxygen vacancies weaken the pinning, contradicting earlier suggestions that vacancies are significant pinning centres in these materials. However, there is almost no effect on the zero field remanent magnetisation.