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Adjustable superconducting anisotropy in MoGe-Permalloy hybrids: SUPERCONDUCTIVITY
Conference proceeding   Open access

Adjustable superconducting anisotropy in MoGe-Permalloy hybrids: SUPERCONDUCTIVITY

G. Karapetrov, A. Belkin, V. Novosad, M. Iavarone, J. E. Pearson and W. K. Kwok
25TH INTERNATIONAL CONFERENCE ON LOW TEMPERATURE PHYSICS (LT25), PART 5, v 150
01 Jan 2009
DOI: https://doi.org/10.1088/1742-6596/150/5/052095
url
https://doi.org/10.1088/1742-6596/150/5/052095View
Published, Version of Record (VoR)Open Access (License Unspecified),  Open

Abstract

Physical Sciences Physics Physics, Condensed Matter Science & Technology Thermodynamics
We studied the magneto-transport properties of magnetically coupled superconductor-ferromagnet MoGe/Permalloy bilayers. The rotatable anisotropy Permalloy ferromagnet with stripe domain structure induces in-plane anisotropy in superconducting order parameter. Superconducting phase diagram shows that near the superconductor-normal state phase boundary the superconductivity is localized in narrow mesoscopic channels just above the magnetic domain walls. By changing the in-plane direction of magnetic stripe domains it is possible to re-configure the direction of the superconducting channels and controllably rotate the direction of the in-plane anisotropy axis in the superconductor.

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Physics, Condensed Matter
Thermodynamics
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