Magnetic-field scaling of the conductance of epitaxial cuprate-manganite bilayers

P. A. Kraus, A. Bhattacharya, A. M. Goldman

Research output: Contribution to journalArticlepeer-review

16 Scopus citations

Abstract

Conductance-voltage characteristics of epitaxial interfaces between oxide ferromagnets and oxide superconductors have been measured as a function of temperature and magnetic field. Their functional form is similar to that predicted by theories of transport across nearly transparent contacts between highly spin-polarized ferromagnets and d-wave superconductors. However, their magnetic-field dependencies scale in striking and unusual ways, challenging our current understanding. Existing theories fail to account for apparent non-equilibium effects that are natural for spin injection in such geometries.

Original languageEnglish (US)
Article number220505
Pages (from-to)2205051-2205054
Number of pages4
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume64
Issue number22
DOIs
StatePublished - Dec 1 2001

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