Thickness dependence of magneto-optic effects in TbFeCo film

Thickness dependence of magneto-optic effects in TbFeCo film

The thickness dependence of the coercivity of RF-sputtered amorphous TbFeCo films prepared with the same sputtering conditions has been investigated by using Faraday rotation measurements. From the use of a special STRATA mathematical method to improve EPMA it is confirmed that the composition is th...

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Veröffentlicht in:IEEE transactions on magnetics 1993-11, Vol.29 (6), p.3778-3780
Hauptverfasser: Yuan, Y., Chevrier, F., Le Gall, H., Rommeluere, M., Dumond, Y.
Format: Artikel
Sprache:eng
Schlagworte:
Amorphous magnetic materials
Amorphous materials
Applied sciences
Coercive force
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Exact sciences and technology
Magnetic domains
Magnetic films
Magnetooptic effects
Magnetooptical effects
Magnetostriction
Metals. Metallurgy
Morphology
Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation
Optical properties of bulk materials and thin films
Perpendicular magnetic recording
Physics
Sputtering
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Zusammenfassung:The thickness dependence of the coercivity of RF-sputtered amorphous TbFeCo films prepared with the same sputtering conditions has been investigated by using Faraday rotation measurements. From the use of a special STRATA mathematical method to improve EPMA it is confirmed that the composition is thickness independent and the coercivity change is correlated to the variation of the local pinning force induced by the evolution of the morphology from fine to coarse structure by increasing the film thickness.< >
ISSN:0018-9464
1941-0069
DOI:10.1109/20.281297