期刊
EUROPEAN PHYSICAL JOURNAL-APPLIED PHYSICS
卷 50, 期 2, 页码 -出版社
CAMBRIDGE UNIV PRESS
DOI: 10.1051/epjap/2010040
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Copper nitride films were prepared on glass and silicon substrates by reactive direct current magnetron sputtering at various N-2-gas partial pressures at room temperature. The N-2 partial pressure influenced the structural, electrical and optical properties of the deposited films. The X-ray diffraction measurement showed the phase change of the preferred orientation of Cu3N planes of samples from Cu-rich (111) planes to N-rich (100) planes. The surface resistivity of glass substrate Cu3N films was between 1675 and 58 200 Omega/cm(2) and for silicon substrate films surface resistivity was between 13.2 and 2380 Omega/cm(2). As is observed surface resistivity strongly affected by structures of the films. Deposition rate was influenced by the amount of argon gas since they are heavier than nitrogen atoms changes from 43 nm/min to 26 nm/min. Calculated band gap energy of the samples show a sharp enhancement from 1.4 eV to 1.95 eV by increasing nitrogen content in working gas.
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