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Magnetization Precession Induced by Ultrashort Laser Pulses in Thin Films of Fe/MgO and Py/Si

D. L. P. de Lacerda, C. A. C. Bosco, A. Azevedo, and L. H. Acioli

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Abstract

We study the magnetic transient dynamics induced by a femtosecond laser using Time-Resolved Magneto-Optical Kerr Effect to characterize the local anisotropy and the Gilbert damping constant of magnetic films of Fe and permalloy.

© 2010 Optical Society of America

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