期刊
APPLIED PHYSICS LETTERS
卷 109, 期 10, 页码 105-108出版社
AMER INST PHYSICS
DOI: 10.1063/1.4962538
关键词
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资金
- Ministry of Education, Culture, Sports, Science, and Technology, Japan [16K06268]
- Grants-in-Aid for Scientific Research [16K06268] Funding Source: KAKEN
Ga2O3 thin films were deposited on (111) Si substrate by pulsed laser deposition method. X-ray photoelectron spectroscopy has been used to determine the valence band offset at Ga2O3/Si heterojunction interface. We measured the binding energies of Si 2p and Ga 2p(3/2) core levels and the valence band maxima energies. The valence band offset is determined to be 3.5 +/- 0.1 eV. As a consequence a type I heterojunction with a conduction band offset of 0.2 +/- 0.1 eV is found. The determination of the band alignment of Ga2O3/Si heterojunction facilitates the design of optical and electronic devices based on the Ga2O3/Si structure. Published by AIP Publishing.
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