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Type: Artigo de periódico
Title: Magnetic characteristics of nanocrystalline GaMnN films deposited by reactive sputtering
Author: Leite, DMG
Pereira, ALJ
Iwamoto, WA
Pagliuso, PG
Lisboa, PN
da Silva, JHD
Abstract: The magnetic characteristics of Ga1-xMnxN nanocrystalline films (x = 0.08 and x = 0.18), grown by reactive sputtering onto amorphous silica substrates (a-SiO2), are shown. Further than the dominant paramagnetic-like behaviour, both field- and temperature-dependent magnetization curves presented some particular features indicating the presence of secondary magnetic phases. A simple and qualitative analysis based on the Brillouin function assisted the interpretation of these secondary magnetic contributions, which were tentatively attributed to antiferromagnetic and ferromagnetic phases. (C) 2012 Elsevier Masson SAS. All rights reserved.
Subject: Sputtering
Nanocrystalline material
Diluted magnetic semiconductor
Magnetic properties
Country: Holanda
Editor: Elsevier Science Bv
Rights: fechado
Identifier DOI: 10.1016/j.solidstatesciences.2012.11.020
Date Issue: 2013
Appears in Collections:Unicamp - Artigos e Outros Documentos

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