GROWTH AND CHARACTERIZATION OF BISRCACUO WHISKERS

被引：14

作者：

HAMED, F

GYGAX, S

CURZON, AE

DENHOFF, M

机构：

[1] SIMON FRASER UNIV,DEPT PHYS,BURNABY,BC V5A 1S6,CANADA

[2] NATL RES COUNCIL CANADA,OTTAWA,ON K1A 0R6,CANADA

来源：

JOURNAL OF CRYSTAL GROWTH | 1995年 / 152卷 / 04期

关键词：

D O I：

10.1016/0022-0248(95)00109-3

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

Superconducting whiskers grown from Bi-Sr-Ca-Cu-O powders during a sintering process have been studied as a function of the starting mixture and sintering cycles. Experiments using X-ray diffraction, electron diffraction, EDX, HREM, magnetization and resistance were used to investigate the composition, structure and superconducting properties of these whiskers. They are found to be very homogeneous, free of stacking faults and exfoliations. They also show a full Meissner effect. Under proper conditions layers of the 2223 phase appear to be intercalated in the predominant 2212 phase.

引用

页码：280 / 285

页数：6

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