Jacques Dumont, Roland Caudano, Robert Sporken
University of Namur
Eva Monroy, Elias Munoz
Universidad Politecnica de Madrid
Bernard Beaumont, Pierre Gibart
CRHEA-CNRS
This article was presented as part of Symposium W, "Gallium Nitride and Related Alloys" at the 1999 Fall Meeting of the Materials Research Society held in Boston, Massachusetts, November 28-December 3
Au/GaN and Cu/GaN Schottky contacts have been studied using X-ray Photoelectron Spectroscopy (XPS) and Auger Electron Spectroscopy (AES). Clean and stoechiometric GaN samples were obtained using in situ hydrogen plasma treatment and Ga deposition. The growth of Cu and Au follows Stranski-Krastanov and Frank van der Merwe modes respectively. The interfaces are sharp and non-reactive. Schottky barriers of 1.15eV for Au/GaN and 0.85eV for Cu/GaN were measured using XPS.
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Cite this article as: MRS Internet J. Nitride Semicond. Res. 5S1, W11.79 (2000).
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