The Pb x Sn 1-x S (x= 0 -0.25) thin films were prepared on glass substrates by hot wall vacuum deposition. The films were polycrystalline monophase in nature and had orthorhombic crystal structure. The thickness of the films was about 2-3 ฮผm. The temperature dependences of the conductivity were meas
The structural and electrical properties of oriented films prepared by metal organic deposition method
โ Scribed by Xiaofei Wang; Xiaomei Lu; Huifeng Bo; Yaoyang Liu; Yanchi Shen; Xiaobo Wu; Wei Cai; Yi Kan; Chao Zhang; Yunfei Liu; Fengzhen Huang; Jinsong Zhu
- Publisher
- Elsevier Science
- Year
- 2010
- Tongue
- English
- Weight
- 784 KB
- Volume
- 150
- Category
- Article
- ISSN
- 0038-1098
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โฆ Synopsis
Strontium titanate films with high a-axis orientation [a (100) = 94.1%] and random orientation were deposited on (111) Pt/Ti/SiO 2 /Si substrates by a concentration controlling of the precursor solution during the metal organic deposition process. Topography of samples was investigated by atomic force microscopy after annealing at 800 ยฐC. X-ray diffraction found that the degree of a-axis orientation increased with increasing annealing temperature. The leakage current and the dielectric property were strongly dependent on the film orientation, and the possible causes of orientation dependence were discussed.
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