期刊
SOLID STATE COMMUNICATIONS
卷 186, 期 -, 页码 28-31出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ssc.2014.01.024
关键词
Semiconducting gallium indium oxide; Pulsed laser deposition; Spectrophotometer; Bandgap tunable
资金
- Ministry of Education, Culture, Sports, Science and Technology, Japan
(GaIn)(2)O-3 films were deposited on (0001) sapphire substrates by means of pulsed laser deposition (PLD). The crystal structure and optical properties of the films have been systematically investigated by means of Energy Dispersive Spectroscopy (EDS), X-ray diffraction and spectrophotometer. EDS results show that Films with different indium contents (x) can be obtained by controlling the element composition in the targets. Single phase (GaIn)(2)O-3 films were successfully obtained in the wide composition ranges, although the films with indium content between 0.16 and 0.33 exhibited double phases. Optical analysis indicates that the bandgap of the (GaIn)(2)O-3 films can be tailored from 3.8 eV to 5.1 eV by controlling the indium content (x), indicating that PLD is a promising growth technology for growing bandgap tunable crystalline (GaIn)(2)O-3 films. (C) 2014 Elsevier Ltd. All rights reserved.
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