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Laser-Induced Magnetization Dynamics of Lanthanide-Doped Permalloy Thin Films

Radu, I. and Woltersdorf, Georg and Kiessling, M. and Melnikov, A. and Bovensiepen, U. and Thiele, J. -U. and Back, Christian H. (2009) Laser-Induced Magnetization Dynamics of Lanthanide-Doped Permalloy Thin Films. Physical Review Letters (PRL) 102 (11), p. 117201.

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Abstract

We investigate the effect of Ho, Dy, Tb, and Gd impurities on the femtosecond laser-induced magnetization dynamics of thin Permalloy films using the time-resolved magneto-optical Kerr effect. Varying the amount of Ho, Dy, Tb content from 0% to 8%, we observe a gradual change of the characteristic demagnetization time constant from approximate to 60 to approximate to 150 fs. In ...

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Item Type:Article
Date:March 2009
Institutions:Physics > Institute of Experimental and Applied Physics > Chair Professor Back > Group Christian Back
Identification Number:
ValueType
10.1103/PhysRevLett.102.117201DOI
Classification:
NotationType
75.40.GbPACS
76.50.+g PACS
Subjects:500 Science > 530 Physics
Status:Published
Refereed:Yes, this version has been refereed
Created at the University of Regensburg:Partially
Owner: Webmaster Back
Deposited On:27 May 2010 10:34
Last Modified:13 Mar 2014 13:26
Item ID:14912
Owner Only: item control page
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