Characterization of Bi based superconducting whiskers

被引:16
作者
Chung, M
Verebelyi, DT
Schneider, CW
Nevitt, MV
Skove, MJ
Payne, JE
Marone, M
Kostic, P
机构
[1] CLEMSON UNIV,DEPT PHYS & ASTRON,CLEMSON,SC 29634
[2] S CAROLINA STATE UNIV,DEPT NAT SCI,ORANGEBURG,SC 29117
[3] ARGONNE NATL LAB,DIV SCI MAT,ARGONNE,IL 60439
来源
PHYSICA C | 1996年 / 265卷 / 3-4期
关键词
D O I
10.1016/0921-4534(96)00270-5
中图分类号
O59 [应用物理学];
学科分类号
摘要
We have made a thorough characterization study of Bi-based cuprate superconducting whiskers. Undoped, Gd-doped and Pb-doped Bi2Sr2Can-1CunOx (n = 2, 3) whiskers were grown using a technique developed by Matsubara et al. Chemical compositions were determined by X-ray dispersive electron microprobe and wet chemistry. The resistance and magnetic flux shielding effect were measured as a function of temperature. We used AC calorimetry to make the first measurements of the heat capacity of a single whisker of this material. The whiskers were found to contain a mixture of the 2212 and 2223 phases, although flux shielding and X-ray diffraction showed only the 2212 phase.
引用
收藏
页码:301 / 308
页数:8
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