Anomalous temperature dependence of magnetic anisotropy in gradient-composition sputterred thin films
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Abstract
An abnormal behavior of increasing magnetic anisotropy with temperature in magnetic thin films fabricated by a gradient-composition sputtering technique is observed and consistently confirmed by two independent measurements of static magnetic hysteresis loops and dynamic magnetic permeability spectra. This peculiar behavior is suggested to be due to the physical origin of stress-induced magnetic anisotropy. Copyright © 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
Keywords
ferromagnetic resonance frequency, magnetic anisotropy, thermal stability
Source Title
Advanced Materials
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Series/Report No.
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Date
2013-02-20
DOI
10.1002/adma.201203995
Type
Article