Measurement of the magnetic induction vector in superconductors using a double-layer Hall sensor array

Y. Abulafia*, M. McElfresh, A. Shaulov, Y. Yeshurun, Y. Paltiel, D. Majer, H. Shtrikman, E. Zeldov

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

6 Scopus citations

Abstract

We describe an experimental technique for simultaneous measurement of both the normal (Bz) and the in-plane (Bx) components of the magnetic induction field near the surface of a superconducting sample. This technique utilizes a novel design of a double-layered Hall sensor array fabricated from a GaAs/AlGaAs heterostructure containing two parallel layers of a two-dimensional electron gas. The effectiveness of this technique is demonstrated in measurements of Bx and Bz and the current distribution at the surface of a thin YBa2Cu3O7 crystal.

Original languageAmerican English
Pages (from-to)2891-2893
Number of pages3
JournalApplied Physics Letters
Volume72
Issue number22
DOIs
StatePublished - 1998
Externally publishedYes

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