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Type: Artigo de periódico
Title: Magnetic properties of oxygenated carbon nitride films from RF-discharge in an acetylene, nitrogen, and oxygen mixture environments
Author: Garcia-Quiroz, A
Azevedo, DL
da Silva, EC
Abstract: Properties of oxygenated carbon nitride films have attracted the attention of physics researchers due to their magnetic and physical properties, as well as for their usefulness in the industry. The free radicals were investigated using electron paramagnetic resonance applied in the study of spin concentration due to the different mechanism of preparation of carbon nitride films by RF-discharge with different kinds of plasma. Unpaired spin concentrations, in the order of 10(20) per cm(3), were measured and their time recombination dependency was important in those films. The films were grown by plasma enhanced chemical vapor deposition using mixtures of hydrocarbons, N-2 and O-2 in different proportions. (C) 2002 Elsevier Science Ltd. All rights reserved.
Subject: plasma deposition
electron paramagnetic resonance
Country: Inglaterra
Editor: Pergamon-elsevier Science Ltd
Rights: fechado
Identifier DOI: 10.1016/S0022-3697(02)00171-3
Date Issue: 2002
Appears in Collections:Unicamp - Artigos e Outros Documentos

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