Structural Peculiarities and Magnetic Properties of Nanoscale Terbium in Tb/Ti and Tb/Si Multilayers

Chin. Phys. Lett.

2006, Vol. 23

Issue (1): 196-199 DOI:

Original Articles

Structural Peculiarities and Magnetic Properties of Nanoscale Terbium in Tb/Ti and Tb/Si Multilayers

A. V. Svalov¹;V. O. Vas’kovskiy¹;G. V. Kurlyandskaya²;J. M. Barandiaran²;I. Orue²;N. N. Schegoleva³;A. N. Sorokin¹

¹Ural State University, Lenin Avenue 51, 620083, Ekaterinburg, Russia ²Universidad del Pais Vasco UPV-EHU, Facultad de Ciencias, Depto Electricidad y Electronica, Apdo. 644, 48080 Bilbao, Spain ³Institute of Metal Physics, Ural Branch of RAS, Kovalevskaya str. 18, 620219, Ekaterinburg, Russia

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A. V. Svalov, V. O. Vas’kovskiy, G. V. Kurlyandskaya et al 2006 Chin. Phys. Lett. 23 196-199

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Abstract The structure and the magnetic properties of rf-sputtered nanoscale Tb in [Tb/Ti]_n and [Tb/Si]_n multilayers have been studied experimentally. It is found that the structure of Tb layers changes, transforming from a fine-crystalline state of Tb into an amorphous state as the magnetic layer thickness decreases. The observed displacement of a magnetic ordering temperature to the lower temperature range and the shift of magnetic hysteresis obtained in the ZFC-FC terms may be caused by the size effect and the amorphization. Both the first and the second suppress the exchange interaction and decrease the crystalline magnetic anisotropy. The type of material of nonmagnetic spacers between the Tb layers plays a certain role in these changes.

Keywords: 75.50.Tt 75.70.-i 68.65.Ac 68.55.-a

Published: 01 January 2006

PACS:	75.50.Tt	(Fine-particle systems; nanocrystalline materials)
	75.70.-i	(Magnetic properties of thin films, surfaces, and interfaces)
	68.65.Ac	(Multilayers)
	68.55.-a	(Thin film structure and morphology)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y2006/V23/I1/0196

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	A. V. Svalov
	V. O. Vas’kovskiy
	G. V. Kurlyandskaya
	J. M. Barandiaran
	I. Orue
	N. N. Schegoleva
	A. N. Sorokin

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