Optimum thickness of soft magnetic phase in FePt/FeCo permanent magnet superlattices with high energy product and large magnetic anisotropy energy

Ab initio calculations on hard/soft (FePt)m/(FeCo)n, (m = 4, 6, 8 and n = 2-2m) magnetic superlattices show that the B2 type FeCo layers become anisotropic with varying interlayer spacing and enhanced magnetic moments. The average magnetic moment in superlattices is higher than in bulk FePt, resulti...

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Bibliographic Details
Main Authors: Sandeep Kumar Jain, Bheema Lingam Chittari, Vijay Kumar
Format: Article
Language:English
Published: AIP Publishing LLC 2016-02-01
Series:AIP Advances
Online Access:http://dx.doi.org/10.1063/1.4943082