Otro
Magnetic characteristics of nanocrystalline GaMnN films deposited by reactive sputtering
Registro en:
Solid State Sciences, v. 17, p. 97-101.
1293-2558
10.1016/j.solidstatesciences.2012.11.020
WOS:000316437100016
2-s2.0-84872765751
Autor
Leite, D. M G
Pereira, A. L J
Iwamoto, W. A.
Pagliuso, P. G.
Lisboa Filho, Paulo Noronha
Silva, José Humberto Dias da
Resumen
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. © 2012 Elsevier Masson SAS. All rights reserved.
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