Hall-array gradiometer for measurement of the magnetic induction vector in superconductors

被引：5
|
作者：
Abulafia, Y
Wolfus, Y
McElfresh, M
Shaulov, A
Yeshurun, Y
Paltiel, Y
Shtrikman, H
Zeldov, E
机构：
[1] Weizmann Inst Sci, Dept Condensed Matter Phys, IL-76100 Rehovot, Israel
[2] Purdue Univ, Dept Phys, W Lafayette, IN 47907 USA
[3] Bar Ilan Univ, Dept Phys, Inst Superconduct, Ramat Gan, Israel
来源：
JOURNAL OF APPLIED PHYSICS | 1999年 / 85卷 / 08期
关键词：
D O I：
10.1063/1.369865
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
An experimental technique for measuring the distribution of the normal and planar components of the magnetic induction near the surface of a superconducting sample is described. This technique utilizes a design of a double-layered Hall sensor array fabricated from a GaAs/AlGaAs heterostructure containing two parallel layers of a two-dimensional electron gas. Applications of this technique are demonstrated in measuring the current density distribution and in characterizing the flux creep process in a thin YBa2Cu3O7 crystal. (C) 1999 American Institute of Physics. [S0021-8979(99)31408-0].
引用
收藏
页码：5471 / 5473
页数：3
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