Correlation of electrical and structural properties of Au contacts to KOH treated n-GaNTools Moldovan, Grigore, Harrison, Ian, Roe, Martin and Brown, Paul D. (2004) Correlation of electrical and structural properties of Au contacts to KOH treated n-GaN. In: Electron microscopy and analysis 2003: proceedings of the Institute of Physics Electron Microscopy and Analysis Group Conference, University of Oxford, 3-5 September 2003. Institute of Physics conference series (179). Institute of Physics Publishing, Bristol, pp. 115-118. ISBN 0750309679 Full text not available from this repository.AbstractA correlated current-voltage (I-V), electron beam induced conductivity (EBIC) and X-ray photoelectron spectroscopy (XPS) study of Au contacts to KOH treated n-type GaN is presented. A strong degradation of I-V characteristics occurs following the KOH treatment, mirrored in a reduction in the magnitude of the EBIC current, even though the EBIC images look visibly unaltered. XPS demonstrates a modification in the surfaces states, e.g. resulting in a –0.3eV shift in the binding energy of Ga3d for MBE GaN following KOH processing.
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