Catalytic role of Au in Ni/Au contact on GaN(0001)
SCIE
SCOPUS
- Title
- Catalytic role of Au in Ni/Au contact on GaN(0001)
- Authors
- Kim, CC; Kim, JK; Lee, JL; Je, JH; Yi, MS; Noh, DY; Hwu, Y; Ruterana, P
- Date Issued
- 2001-06-11
- Publisher
- AMER INST PHYSICS
- Abstract
- We investigated the structural behavior of the Ni/Au contact on GaN(0001) and found the catalytic role of Au during annealing, using in situ x-ray scattering. The oxidation kinetics of Ni during annealing in air was greatly affected by the presence of Au. The accelerated GaN decomposition and Ni nitride formation during annealing in N-2 also provide evidence of the catalytic role of Au. The results suggest that oxidized Ni/Au ohmic contact exhibit better thermal stability than that of the N-2 annealed Ni/Au contacts. (C) 2001 American Institute of Physics.
- URI
- https://oasis.postech.ac.kr/handle/2014.oak/19519
- DOI
- 10.1063/1.1379064
- ISSN
- 0003-6951
- Article Type
- Article
- Citation
- APPLIED PHYSICS LETTERS, vol. 78, no. 24, page. 3773 - 3775, 2001-06-11
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