期刊
APPLIED PHYSICS LETTERS
卷 79, 期 13, 页码 2022-2024出版社
AMER INST PHYSICS
DOI: 10.1063/1.1405811
关键词
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High-quality Zn1-xMgxO(0.00 less than or equal tox less than or equal to0.49) thin films were epitaxially grown at 500-650 degreesC on Al2O3(00.1) substrates using metalorganic vapor-phase epitaxy. By increasing the Mg content in the films up to 49 at. %, the c-axis constant of the films decreased from 5.21 to 5.14 Angstrom and no significant phase separation was observed as determined by x-ray diffraction measurements. Furthermore, the near-band-edge emission peak position showed blueshifts of 100, 440, and 685 meV at Mg content levels of 9, 29, and 49 at. %, respectively. Photoluminescent properties of the alloy films are also discussed. (C) 2001 American Institute of Physics.
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