Analysis of aluminum tungsten oxide ceramics synthesized by a high‐power cw CO2laser
作者:
Xingjiao Li,
Fang Zheng,
Qiguang Zheng,
Jiarong Li,
Zaiguang Li,
Shaopin Li,
期刊:
Journal of Applied Physics
(AIP Available online 1993)
卷期:
Volume 74,
issue 3
页码: 1616-1624
ISSN:0021-8979
年代: 1993
DOI:10.1063/1.354810
出版商: AIP
数据来源: AIP
摘要:
Ceramics in the Al2O3‐WO3system have been produced by laser irradiation. Examination of the products by scanning electron microscopy showed that a cell structure had formed in the specimens. A comparison of the properties of the samples synthesized by laser and by conventional sintering methods showed that the laser technique can produce new materials with some unique properties such as the linear decrease in resistivity of Al2O3‐50 mol % WO3specimens with increasing temperature over the range of 10–150 °C. X‐ray photographic powder analysis indicated that the conducting phase in the specimen is a nonequilibrium product: AlxWO3tungsten bronze.
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