Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
5362052 | Applied Surface Science | 2009 | 5 Pages |
Abstract
Co0.2AlxZn0.8âxO films prepared with different molar ratio of aluminum nitrate to zinc acetate were deposited on substrates by the sol-gel technique. X-ray diffraction, photoluminescence and ferromagnetism measurements were used to characterize the Co0.2AlxZn0.8âxO diluted magnetic semiconductors. The authors found that the intensity of the acceptor-related photoluminescence increased with increasing aluminum concentration and an increase in the number of the acceptor-like defects (zinc vacancies especially) in the Co0.2AlxZn0.8âxO film might lead to the enhancement of the magnetic properties. This implies that controls of the aluminum concentration and the number of the acceptor-like defects are important factors to produce strong ferromagnetism Co0.2AlxZn0.8âxO films prepared by the sol-gel method.
Keywords
Related Topics
Physical Sciences and Engineering
Chemistry
Physical and Theoretical Chemistry
Authors
Chia-Lung Tsai, Yow-Jon Lin, Chia-Jyi Liu, Lance Horng, Yu-Tai Shih, Mu-Shan Wang, Chao-Shien Huang, Chuan-Sheng Jhang, Ya-Hui Chen, Hsing-Cheng Chang,