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American Physical Society, Physical review B, 21(93)

DOI: 10.1103/physrevb.93.214415

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Absence of magnetic proximity effects in magnetoresistivePt/CoFe2O4hybrid interfaces

This paper is available in a repository.
This paper is available in a repository.

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Abstract

Valvidares, M. et al. ; Ultrathin Pt films grown on insulating ferrimagnetic CoFe2O4 (111) epitaxial films display a magnetoresistance upon rotating the magnetization of the magnetic layer. We report here x-ray magnetic circular dichroism (XMCD) recorded at Pt-L2,3 and Pt-M3 edges. The results indicate that the Pt magnetic moment, if any, is below the detection limit (