Room temperature paramagnetism of ZnO: Mn films grown by RF-sputtering

F. Oliveira; M. F. Cerqueira; M. I. Vasilevskiy; T. Viseu; J. Ayres De Campos; A. G. Rolo; J. S. Martins; N. A. Sobolev; E. Alves

doi:10.1016/j.tsf.2009.12.043

Room temperature paramagnetism of ZnO : Mn films grown by RF-sputtering

Research output: Journal Publications and Reviews (RGC: 21, 22, 62) › 21_Publication in refereed journal

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7 Scopus Citations

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Author(s)

F. Oliveira
M. F. Cerqueira
M. I. Vasilevskiy
T. Viseu
J. Ayres De Campos
And 4 others

A. G. Rolo
J. S. Martins
N. A. Sobolev
E. Alves

Detail(s)

Original language	English
Pages (from-to)	4612-4614
Journal / Publication	Thin Solid Films
Volume	518
Issue number	16
Publication status	Published - 1 Jun 2010
Externally published	Yes

Link(s)

DOI	DOI https://doi.org/10.1016/j.tsf.2009.12.043 Final Published version
	Check@CityULib
Link to Scopus	https://www.scopus.com/record/display.uri?eid=2-s2.0-77955599602&origin=recordpage
Permanent Link	https://scholars.cityu.edu.hk/en/publications/publication(e765ed07-d729-49f8-ab66-b5eeac823434).html

Abstract

ZnO:Mn transparent thin films (thickness <1 μm) with the Mn contents ranging from 1.8 to 3.25 at.% were grown by RF magnetron co-sputtering. The films are nanocrystalline, with wurtzite-structure grains of a typical size of 20 nm and with a preferential orientation of the c-axis perpendicular to the surface. According to the Raman spectroscopy data, Mn mostly substitutes Zn in the lattice sites. In spite of these factors, the nanostructure and the Mn(Zn) substitution, that are considered favorable for ferromagnetism in this material, both magnetic resonance and Faraday effect measurements show paramagnetic behavior of the ZnO:Mn films and the absence of ferromagnetic order at room temperature. © 2009 Elsevier B.V. All rights reserved.

Research Area(s)

Faraday effect, Magnetic resonance, Mn-doping, ZnO

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Citation Format(s)

[ RIS ] [ BibTeX ]

Room temperature paramagnetism of ZnO : Mn films grown by RF-sputtering. / Oliveira, F.; Cerqueira, M. F.; Vasilevskiy, M. I.; Viseu, T.; De Campos, J. Ayres; Rolo, A. G.; Martins, J. S.; Sobolev, N. A.; Alves, E.

In: Thin Solid Films, Vol. 518, No. 16, 01.06.2010, p. 4612-4614.

Research output: Journal Publications and Reviews (RGC: 21, 22, 62) › 21_Publication in refereed journal

Oliveira, F, Cerqueira, MF, Vasilevskiy, MI, Viseu, T, De Campos, JA, Rolo, AG, Martins, JS, Sobolev, NA & Alves, E 2010, 'Room temperature paramagnetism of ZnO: Mn films grown by RF-sputtering', Thin Solid Films, vol. 518, no. 16, pp. 4612-4614. https://doi.org/10.1016/j.tsf.2009.12.043

Oliveira, F., Cerqueira, M. F., Vasilevskiy, M. I., Viseu, T., De Campos, J. A., Rolo, A. G., Martins, J. S., Sobolev, N. A., & Alves, E. (2010). Room temperature paramagnetism of ZnO: Mn films grown by RF-sputtering. Thin Solid Films, 518(16), 4612-4614. https://doi.org/10.1016/j.tsf.2009.12.043

Oliveira F, Cerqueira MF, Vasilevskiy MI, Viseu T, De Campos JA, Rolo AG et al. Room temperature paramagnetism of ZnO: Mn films grown by RF-sputtering. Thin Solid Films. 2010 Jun 1;518(16):4612-4614. https://doi.org/10.1016/j.tsf.2009.12.043

Oliveira, F. ; Cerqueira, M. F. ; Vasilevskiy, M. I. ; Viseu, T. ; De Campos, J. Ayres ; Rolo, A. G. ; Martins, J. S. ; Sobolev, N. A. ; Alves, E. / Room temperature paramagnetism of ZnO : Mn films grown by RF-sputtering. In: Thin Solid Films. 2010 ; Vol. 518, No. 16. pp. 4612-4614.