Thickness-dependent Curie temperature in ferrimagnetic Gd-Co/Ti multilayers / Svalov A. V.,Kurlyandskaya G. V.,Vas'kovskiy V. O.,Larranaga A.,Domingues Della Pace R.,Pla Cid C. C. // SUPERLATTICES AND MICROSTRUCTURES. - 2016. - V. 90, l. . - P. 242-246.

ISSN/EISSN:

0749-6036 / нет данных

Type:

Article

Abstract:

Gd-Co/Ti multilayers were prepared by magnetron sputtering deposition onto glass substrates. It was found, that the amount of cobalt determined by energy dispersive X-ray spectroscopy (EDX) analysis decreased from 77.9 down to 74.4 at\% with a decrease of the GdCo layer thickness from 250 nm to 3 nm. For relatively thick layers this compositional change correlates well with the observed changes in the compensation temperature. However, for thinner Gd-Co layers the Curie temperatures (T-c) taken in conjunction with the composition dependence of T-c would require a significant change in composition much more important than the one observed by EDX. The reason for this discrepancy between the results of EDX analysis and the ``effective{''} composition obtained by means of magnetic analysis is the sharp decrease in T-c as a result of finite size effect. (C) 2015 Elsevier Ltd. All rights reserved.

Author keywords:

GdCo amorphous multilayers; Curie temperature; Finite size effect THIN-FILMS; FE; TB; CO

DOI:

10.1016/j.spmi.2015.12.030

Web of Science ID:

ISI:000370312800028

Соавторы в МНС:

Другие поля

Поле	Значение
Month	FEB
Publisher	ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
Address	24-28 OVAL RD, LONDON NW1 7DX, ENGLAND
Language	English
Keywords-Plus	THIN-FILMS; FE; TB; CO
Research-Areas	Physics
Web-of-Science-Categories	Physics, Condensed Matter
Author-Email	andrey.svalov@ehu.es
ResearcherID-Numbers	Svalov, Andrey/M-4519-2016 Campos Pla Cid, Cristiani/N-5513-2017
ORCID-Numbers	Svalov, Andrey/0000-0002-4549-8282 Kurlyandskaya, Galina/0000-0002-3712-1637
Funding-Acknowledgement	Act 211 Government of the Russian Federation {[}02.A03.21.0006]; ACTIMAT project of the Basque Government; UPV-EHU; Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior - CAPES
Funding-Text	This work was supported by Act 211 Government of the Russian Federation, contract No 02.A03.21.0006, ACTIMAT project of the Basque Government and UPV-EHU and Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior - CAPES. Selected measurements were done at SGIKER services of UPV-EHU. G.V. Kurlyandskaya thanks Prof. Marcos Carara for special support of her advanced training at the Federal University of Santa Maria. We thank Dr. Eduardo Fernandez for special support.
Number-of-Cited-References	13
Usage-Count-Last-180-days	2
Usage-Count-Since-2013	14
Journal-ISO	Superlattices Microstruct.
Doc-Delivery-Number	DE0KC