Fabrication and thermoelectric properties of Al-doped (ZnO)5In2O3 by microwave heating

被引：1
作者：
Endo, Tomoyuki [1 ]
Hayashi, Yamato [1 ]
Fukushima, Jun [1 ]
Takizawa, Hirotsugu [1 ]
机构：
[1] Tohoku Univ, Grad Sch Engn, Aoba Ku, Sendai, Miyagi 9808579, Japan
来源：
ECO-MATERIALS PROCESSING AND DESIGN XIV | 2013年 / 761卷
关键词：
Thermoelectric material; Microwave heating; Layer-structured oxide material; Textured ceramics; Zinc oxide; Indium oxide; CERAMICS;
D O I：
10.4028/www.scientific.net/MSF.761.27
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Various (ZnO)(5)In2O3 ceramics were fabricated by microwave heating. Density, XRD pattern and microstructure were examined, and those of the Al-doped (ZnO)(5)In2O3 were almost the same as Al-free one. The highly textured (ZnO)(5)In2O3 ceramic was also fabricated by reactive templated grain growth (RTGG) method. The electrical conductivity was not improved by Al-doping; however it was improved slightly by microwave heating compared with conventional heating and especially improved by texturing using RTGG method. On the other hand, the absolute Seebeck coefficient in microwave heating was improved about 25% by Al-doping. The maximum electric power factor of a textured specimen fabricated by RTGG method along the ab-plane showed 5.76x10(-4) WK(-2)m(-1) (at 873K), which was attributed to high electrical conductivity.
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页码：27 / +
页数：2
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