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期刊论文
Preparation and thermoelectric properties of Al-doped ZnO ceramics
K. F. Cai et al./Materials Science and Engineering B104(2003)45-48，-0001，（）：
Al2O3 added ZnO powders were prepared via sol-gel processing, using zinc acetate, ammonia and Al2O3 powders as starting materials. Scanning electron microscopy (SEM) observations indicated that the Al2O3 added ZnO powders consisted of very fine particles (0.1-2m). The thermal conductivity, electrical conductivity and Seebeck coefficient of hot-pressed Al2O3 added ZnO ceramic samples were measured in dependence of temperature up to 600℃. The influence of Al2O3 addition on the thermoelectric (TE) properties of ZnO ceramics is discussed.
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