Enhanced perpendicular magnetic anisotropy in Fe/Mn bilayers by incorporating ultrathin ferromagnetic underlayer through magnetic proximity effect

Bo Yao Wang, Chieh Chen Chiu, Wen Chin Lin, Minn Tsong Lin

Research output: Contribution to journalArticlepeer-review

11 Citations (Scopus)

Abstract

The perpendicular magnetic anisotropy(PMA) was shown to be established in ferromagnetic (FM)/fcc-Mn bilayers through the FM-antiferromagnetic (AFM) exchange coupling. We demonstrate here that such PMA can be further enhanced by incorporating an ultrathin Fe film as an underlayer. In a series of Fe/Mn bilayers, hysteresis loop measurement shows that the thickness of top Fe layer with PMA can be extended to a thicker range while an ultrathin Fe underlayer is inserted. Such enhancement of PMA is attributed to an increase of AFM ordering on the Mn film originated from the magnetic proximity effect with the Fe underlayer.

Original languageEnglish
Article number042407
JournalApplied Physics Letters
Volume103
Issue number4
DOIs
Publication statusPublished - 2013 Jul 22

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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