Chin J Mater Res  2010, Vol. 24 Issue (6): 615-618    DOI:

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HPHT Synthesis and Electric Properties of Ba0.32Co4Sb12−xTex Skutterudites

LIU Yang, REN Guozhong, SU Taichao, MA Hong'an,  DE Le, JIANG Yiping, ZHENG Shizhao, LIN Lejing, QIN Bingke, JIA Xiaopeng

1.Faculty of Materials, Optoelectronics and Physics, XiangTan University, Xiangtan 411105 2.National Lab of Superhard Materials, Jinlin University, Changchun 130012

LIU Yang REN Guozhong SU Taichao MA Hong'an DE Le JIANG Yiping ZHENG Shizhao LIN Lejing QIN Bingke JIA Xiaopeng. HPHT Synthesis and Electric Properties of Ba0.32Co4Sb12−xTex Skutterudites. Chin J Mater Res, 2010, 24(6): 615-618.

Abstract References Related Articles Recommended Metrics Download:  PDF(748KB)  Export:  BibTeX | EndNote (RIS)       Abstract  Polycrystalline skutterudites Ba0.32Co4Sb12−xTex (nominally x from 0.1 to 0.9) were successfully synthesized by high pressure and high temperature (HPHT) method. The XRD results indicate that all samples have the crystal structure of single phase CoSb3. The dependence of electric transport properties for Ba0.32Co4Sb12−xTex samples on Te filling fraction and pressure has been investigated at room temperature. All samples show n-type conduction.The absolute value of Seebeck coefficient and the electrical resistivity decrease with the increasing of Te content. The maximum power factor (9.7 μWcm−1K−2)is obtained for Ba0.32Co4Sb11.9Te0.1 synthesized at 1.5 GPa and 900 K. Key words:  inorganic non-metallic materials      thermoelectic materials      skutterudites      power factor      HPHT      Received:  25 March 2010      ZTFLH:  O521   Fund:  Supported by National Natural Science Foundation of China No.50731006 and National Youth Science Foundation of China No. 50801030. Service E-mail this article Add to citation manager E-mail Alert RSS （） Articles by authors LIU Xiang REN Guo-Zhong URL:  https://www.cjmr.org/EN/     OR     https://www.cjmr.org/EN/Y2010/V24/I6/615 参考文献： [1] Sales B C. Thermoelectric Materials-Smaller Is Cooler[J]．Science, 2002, 259(5558)：1248-1249. [2] SaIes B C, Mandrus D, Williams R K．Filled Skutterudite Antiminidesl：A New Class of Thermoelectric Materials [J]．Science, 1996, 272(5266): 1325-1328. [3] Slack G A．New materials and performance limits of thermoelectric [M]. CRC: CRC Press，1995: 407-440. [4] Tang X F,Chen L D, T Goto, T Hirai, Yang R Z. Thermoelectric properties of n-type BayNixCo4-xSb12（n型BayNixCo4-xSb12化合物热电性能）[J]. 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