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Dive into the research topics where Xueying Zhao is active.

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Featured researches published by Xueying Zhao.


Japanese Journal of Applied Physics | 2008

Effect of Ge Doping on Thermoelectric Properties of SryCo4Sb12-xGex

Xueying Zhao; Xiaoya Li; Lidong Chen; Yanzhong Pei; Shengqiang Bai; Xun Shi; Takashi Goto

Skutterudite compounds, SryCo4Sb12-xGex (y=0.3, x=0–0.3), are synthesized by a melting method. The effect of germanium doping on thermoelectric properties is investigated. Electrical conductivity, Seebeck coefficient, and thermal conductivity are measured from 300 to 850 K. The substitution of germanium is effective in reducing thermal conductivity while keeping excellent electrical transport properties owing to the high filling fraction of Sr and Ge doping as charge compensation. The dimensionless thermoelectric figure of merit ZT is observed to increase from 0.9 at 850 K for Sr0.28Co4Sb12 to 1.05 for Sr0.34Co4Sb11.9Ge0.1 at 850 K. These results suggest that doping with germanium is an attractive avenue to optimization of filled skutterudites.


international conference on thermoelectrics | 2006

Effect of nickel substitution on thermoelectric properties of SryCo4Sb12

Xiaoya Li; Xueying Zhao; Shengqiang Bai; Yanzhong Pei; Lidong Chen

Bulk samples of SryCo4Sb12 compounds were prepared by melting, quenching, annealing and spark plasma sintering, and characterized by X-ray diffraction and electron probe microanalysis. No impurity phases appear, and the lattice coefficient increases a little due to nickel substitution. The filling fraction of the compounds is smaller than that of the non-substituted ones. The temperature dependences of electrical conductivity, Seebeck coefficient and thermal conductivity were measured from room temperature to 850 K. The results show that nickel doping improves carrier concentration and electrical conductivity, does not change significantly the Seebeck coefficient due to the introduction of ion impurity carrier scattering, and further depresses the thermal conductivity of the strontium filled CoSb3 compounds. A maximum ZT value of 1.07 is achieved at 850 K for Sr0.26Co3.95Ni0.05 Sb12


Solid State Sciences | 2009

Effects of nano-TiO2 dispersion on the thermoelectric properties offilled-skutterudite Ba0.22Co4Sb12

Zhen Xiong; Xihong Chen; Xueying Zhao; Shengqiang Bai; Xiangyang Huang; Lidong Chen


Archive | 2008

Method for manufacturing cobalt stibium antimonide based thermoelectric device

Lidong Chen; Degang Zhao; Xiaoya Li; Xugui Xia; Shengqiang Bai; Yanfei Zhou; Xueying Zhao


Archive | 2007

Alloy electrod matched with cobalt antimonide thermoelectric component and one-step process connecting technology

Lidong Chen; Degang Zhao; Xiaoya Li; Xueying Zhao; Yanfei Zhou; Shengqiang Bai


Archive | 2008

Pi type CoSb3 based thermoelectric converting device and method for producing the same

Xiaoya Li; Degang Zhao; Lidong Chen; Xugui Xia; Shengqiang Bai; Yanfei Zhou; Xueying Zhao


Archive | 2007

Filled skutterudite-base thermoelectrical composite material and its preparation

Lidong Chen; Xueying Zhao; Shengqiang Bai; Xun Shi


Archive | 2008

Alloy pole for cobalt antimonides-based thermal electrical part and part making method

Lidong Chen; Degang Zhao; Xiaoya Li; Xueying Zhao; Yanfei Zhou; Shengqiang Bai; Xugui Xia


Journal of Inorganic Materials | 2009

Effect of Te Doping on Thermoelectric Property of Sr y Co 4 Sb 12- x Te x Compounds: Effect of Te Doping on Thermoelectric Property of Sr y Co 4 Sb 12- x Te x Compounds

Xueying Zhao; Sheng-Qiang Bai; Xiao-Ya Li; Yanfei Zhou; Lidong Chen


Archive | 2007

Adulterated titanium-cobalt-stibium based thermoelectric composite material, and preparation method

Lidong Chen; Ting Wu; Shengqiang Bai; Xueying Zhao

Collaboration


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Lidong Chen

Chinese Academy of Sciences

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Shengqiang Bai

Chinese Academy of Sciences

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Xiaoya Li

Chinese Academy of Sciences

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Yanfei Zhou

Chinese Academy of Sciences

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Degang Zhao

Chinese Academy of Sciences

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Xugui Xia

Chinese Academy of Sciences

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Yanzhong Pei

Chinese Academy of Sciences

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Xiangyang Huang

Chinese Academy of Sciences

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Xun Shi

Chinese Academy of Sciences

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Ting Wu

Chinese Academy of Sciences

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