The thermoelectric properties of Sr0.61Ba0.39Nb2O6-δceramics, reduced in different conditions, are investigated in the temperature range from 323 K to 1073 K. The electrical transport behaviors of the samples are dominated by the thermal-activated polaron hopping in the low temperature range, the Fermi glass behavior in the middle temperature range,and the Anderson localized behavior in the high temperature range. The thermal conductivity presents a plateau at hightemperatures, indicating a glass-like therm...
【英文摘要】
The thermoelectric properties of Sr0.61Ba0.39Nb2O6-δceramics, reduced in different conditions, are investigated in the temperature range from 323 K to 1073 K. The electrical transport behaviors of the samples are dominated by the thermal-activated polaron hopping in the low temperature range, the Fermi glass behavior in the middle temperature range,and the Anderson localized behavior in the high temperature range. The thermal conductivity presents a plateau at hightemperatures, indicating a glass-like therm...
【基金】
Project supported by the National Basic Research Program of China(Grant No.2013CB632506);
the National Natural Science Foundation of China(Grant Nos.51202132 and 51002087)
【更新日期】
2015-04-07
【分类号】
TQ174.13
【正文快照】
a)School of Physics,Shandong University,Jinan 250100,Chinab)State Key Laboratory of Crystal Materials,Shandong University,Jinan 250100,ChinaThe thermoelectric properties of Sr0.61Ba0.39Nb2O6-δceramics,reduced in different conditions,are investigatedin th
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