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γ-Na_xCo_2O_4陶瓷的结构与性能 被引量：1

THE CRYSTAL STRUCTURE AND THERMOELECTRIC PROPERTIES of γ-Na_xCo_2O_4 CERAMIC
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摘要 以Na2CO3、Co2O3为起始原料,采用固相烧结法制备出了γ-NaxCo2O4(1.0≤x≤1.4)陶瓷。SEM及EDAX显示了γ-NaxCo2O4为层片结构,正的Seebeck系数表明γ-NaxCo2O4陶瓷为P型半导体,且在测量温度范围内Seebeck系数和电导率均随着温度的升高而增大。 The compound of γ-NaxCo2O4 was fabricated from Na2CO3 and Co2O3 by traditional solid reaction method. Results by SEM and EDAX indicated that γ-NaxCo2O4 ceramic was layered-structure. In the range of experiment temperature γ-NaxCo2O4 with positive Seebeck coefficient was a p-type semiconductor and magnitude of Seebeck coefficient and conductivity increased with increasing temperature. Which exhibited metallic properties.
作者 马秋花 王改民 路朋献 侯永改
机构地区 河南工业大学
出处 《中国陶瓷》 CAS CSCD 北大核心 2007年第8期21-22,8,共3页 China Ceramics
关键词 固相烧结 SEEBECK系数 层状结构 solid sintering, Seebeck coefficient, layered-structure
分类号 TQ174.758 [化学工程—陶瓷工业]
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参考文献5

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同被引文献16

  • 1马秋花,王改民,路朋献,侯永改.Ca_3Co_4O_9陶瓷的结构与性能[J].中国陶瓷,2006,42(5):21-23. 被引量：3
  • 2J R Sootsman, Duck Y C, M G Kanatzidis. New and old concepts in thermoelectric materials [J]. Angewandte Chemie International Edition, 2009, 48 (46): 8616 8639.
  • 3H Colder, E Guilmeau, C Harnois, et al. Preparation of Ni-doped ZnO ceramics for thermoelectric applications [J]. Journal of the European Ceramic Society, 2011, 31 (15): 2957-2963.
  • 4Wang H Q, Gan Y 3, Dong X, et al. Thermoelectric properties of Ti doped WO3 ceramics [J]. Journal of Materials Science.. Materials in Electronics, 2012, 23: 2229-2234.
  • 5M Senthilkumar, R Vijayaraghavan. High-temperature resistivity and thermoelectric properties of coupled substituted Ca3Co206 [J]. Science and Technology of Advanced Materials, 2009, 10 (1): 015007.
  • 6K Park, K Y Ko, W S Seo. Thermoelectric properties of CuAIO2 [J]. Journal of the European Ceramic Society, 2005, 25 (12): 2219-2222.
  • 7Wang S F, A Venimadhav, Guo S M, et al. Structural and thermoelectric properties of BijSr2Co2Oy thin films on LaAlO3 (100) and fused silica substrates[J].Applied Physics Letters, 2009, 94 (2): 022110.
  • 8Wang L M, Lai J H, Wu J L, et al. Effects of Ru substitution for Mn on Lao.TSro.3MnQ perovskites [J]. Journal of Applied Physics, 2007, 102 (2): 23915-23923.
  • 9H Muta, K Kurosaki, S Yamanaka. Thermoelectric properties of reduced and La-doped single crystalline SrTiO3 [J]. Journal of Alloys and Compounds, 2005, 392 (1 2): 306-309.
  • 10N Sugii, H Yamauchi. In-plane thermoelectric power of c-axis-oriented Sr1 NdxCuO2-y thin films [J]. Physical Review B: Condensed Matter, 1994, 50 (13): 9397-9403.

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中国陶瓷
2007年 第8期

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