Critical angular dependance of the polarising field on the magnetoelastic dynamics near the SRT in TbFe/FeCo multilayers

Nicolas Tiercelin ,J Ben Youssef,V Preobrazhensky ,Philippe Pernod ,Herbert Legall

doi:10.1109/intmag.2002.1000721

Critical angular dependance of the polarising field on the magnetoelastic dynamics near the SRT in TbFe/FeCo multilayers

Nicolas Tiercelin , J Ben Youssef + Show 3 more

https://doi.org/10.1109/intmag.2002.1000721

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Publication Date: Feb 11, 2008

Affiliation: French National Centre for Scientific Research, Institute of Electronics, Microelectronics and Nanotechnology

#Spin Reorientation Transition #Field Induced Spin Reorientation Transition + Show 8 more

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Abstract

Summary form only given. We reflect the results of the latest investigations on giant magnetostrictive multilayers in which a field induced spin reorientation transition (SRT) is used to develop new ways of control for magnetostrictive MEMS such as the possibility of sub-harmonic excitation. During the study of the SRT, experiments showed the existence of an extra singularity when decreasing the polarising field towards negative values. Calculations showed a critical sensitivity of the excitation levels on the alignment of the polarising field. We study in detail the influence of this alignment on near SRT magnetoelastic dynamics.

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