Temperature dependence of perpendicular magnetic anisotropy in CoFeB thin films

We study perpendicular magnetic anisotropy in thin films of Ta/Co20Fe60B20/MgO by ferromagnetic resonance and find a linear temperature dependence for the first and second order uniaxial terms from 5 to 300 K. Our data suggest the possible hybridization of Fe-O orbitals at the CoFeB/MgO interface fo...

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Veröffentlicht in:	Applied physics letters 2016-04, Vol.108 (14)
Hauptverfasser:	Fu, Yu, Barsukov, I., Li, Jing, Gonçalves, A. M., Kuo, C. C., Farle, M., Krivorotov, I. N.
Format:	Artikel
Sprache:	eng
Schlagworte:	ANISOTROPY Applied physics CARBON DIOXIDE CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS Ferromagnetic materials FERROMAGNETIC RESONANCE INTERFACES Magnesium oxide MAGNESIUM OXIDES Magnetic anisotropy SPIN TEMPERATURE DEPENDENCE TEMPERATURE RANGE THICKNESS THIN FILMS
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