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Phase separation and optical properties in oxygen-rich InN films
, C. Sudakar, R. Naik, G. Lawes, J.S. Thakur, E.F. McCullen, G.W. Auner, V.M. Naik
Published in
2008
Volume: 93
   
Issue: 14
Abstract
We have investigated the properties of sputter deposited InN thin films prepared from an In-metal (InN-MT) and an In2O3 target (InN-OT). The excess oxygen present in the InN-OT films alters the microstructure by introducing additional disorder. Depth dependent x-ray photoelectron spectroscopy measurements indicate the presence of higher concentrations of oxygen in InN-OT. Raman spectra show evidence for the presence of an In2O3 secondary phase in both samples. Although the InN-OT film has a higher oxygen concentration, both films show similar electrical and optical properties. © 2008 American Institute of Physics.
About the journal
JournalApplied Physics Letters
ISSN00036951