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Journal of NanomaterialsVolume 2012 2012, Article ID 940272, 7 pages

Research Article

National Key Laboratory of Science and Technology on Advanced Composites in Special Environments, Harbin Institute of Technology, Harbin 150080, China

Laboratoire de Magnétismde Bretagne, Université de Bretagne Occidentale, 6 Avenue le Gorgeu C.S. 93837, 29238 Brest Cedex 3, France

Received 14 November 2011; Revised 12 January 2012; Accepted 13 January 2012

Academic Editor: Ovidiu Crisan

Copyright © 2012 Jianjun Li. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


The magnetostrictions of the single TbFe layer and coupled Py-TbFe2 bilayers were measured by using laser deflectometry. The dependences of the magntostriction performance on the driving magnetic field direction have been investigated. The relationship studies between the saturation bending angle and torsion angle of the single layer with perpendicular anisotropy and coupled bilayers with in-plane uniaxial anisotropy have been conducted. Interesting -jump- reflecting the spin dynamics is observed in the magnetostriction loops of the coupled bilayers.

Autor: Jianjun Li



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