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Synthesis and thermopower measurement of LixNayCoO2

Chen Xiao-Yang Xu Xiang-Fan Hu Rong-Xing Ren Zhi Xu Zhu-An Cao Guang-Han

Synthesis and thermopower measurement of LixNayCoO2

Chen Xiao-Yang, Xu Xiang-Fan, Hu Rong-Xing, Ren Zhi, Xu Zhu-An, Cao Guang-Han
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  • Abstract views:  3214
  • PDF Downloads:  718
  • Cited By: 0
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  • Received Date:  07 July 2006
  • Accepted Date:  21 September 2006
  • Published Online:  11 July 2007

Synthesis and thermopower measurement of LixNayCoO2

  • 1. 浙江大学物理系,杭州 310027

Abstract: Polycrystalline samples of LixNayCoO2 with an intergrowth structure have been successfully synthesized by solid-state reaction. The measured thermopower of LixNayCoO2 at room temperature is about 60 μV/K higher than that of NaxCoO2. Based upon the O2p characteristic for the mobile carriers, the origin of the increment in thermopower is interpreted in terms of the occupancy entropy of the O2p holes.

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