Magnetic Behaviour of Tb/Si Nanoscale Multilayers with SmallThickness of Rare Earth Layers

A. V. Svalov; V. O. Vas'kovskiy; G. V. Kurlyandskaya; J. M. Barandiaran; N. N. Schegoleva; A. N. Sorokin

doi:10.1088/0256-307X/24/6/078

Chinese Physics Letters

Magnetic Behaviour of Tb/Si Nanoscale Multilayers with Small Thickness of Rare Earth Layers

A. V. Svalov¹, V. O. Vas'kovskiy¹, G. V. Kurlyandskaya², J. M. Barandiaran², N. N. Schegoleva³ and A. N. Sorokin¹

Published under licence by IOP Publishing Ltd
Chinese Physics Letters, Volume 24, Number 6 Citation A. V. Svalov et al 2007 Chinese Phys. Lett. 24 1717 DOI 10.1088/0256-307X/24/6/078

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¹ Ural State University, Lenin Avenue 51, 620083, Ekaterinburg, Russia

² Universidad del País Vasco UPV-EHU, Facultad de Ciencias, Depto Electricidad y Electrónica, Apdo. 644, 48080 Bilbao, Spain

³ Institute of Metal Physics, Ural Branch of RAS, Kovalevskaya str. 18, 620219, Ekaterinburg, Russia

Dates

Received 9 December 2006

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Abstract

We report the magnetic properties of Tb/Si multilayers obtained by rf-sputtering at the Tb layer thickness L_Tb = 3 nm. Analysis of the magnetization processes indicates more complex behaviour than canonical spin-glass transition. It is more probable that these multilayers contain both Tb superparamagnetic particles and Tb–Si spin-glass alloys.

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