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<strong>Preparation and thermoelectric properties of the rare earths doped Ca0.95RE0.05MnO3 (RE=Pr, Eu and Tb) oxide materials</strong>

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Title Statement <strong>Preparation and thermoelectric properties of the rare earths doped Ca0.95RE0.05MnO3 (RE=Pr, Eu and Tb) oxide materials</strong>
 
Added Entry - Uncontrolled Name N., Jiang Z.; Guangxi Normal University for Nationalities
P., Zhang F.; Henan University of Urban Construction;Beijing University of Technology
National Natural Science Foundation of China
 
Uncontrolled Index Term solid state physics,functional material;thermoelectric materials
CaMnO3 oxide; Rare earth doping; Thermoelectric properties
 
Summary, etc. <strong>The rare earths doped Ca<sub>0.95</sub>RE<sub>0.05</sub>MnO<sub>3</sub><sub> </sub>(RE=Pr, Eu, Tb) oxide bulk materials are fabricated and the effects of rare earths doping within low content on the thermoelectric transport properties of the CaMnO<sub>3</sub> oxide have been investigated. The results show that all doped oxide bulk materials are single phase with consolidated microstructure. The electrical resistivity is remarkably reduced on account of electron carrier density and mobility enhancement. The Seebeck coefficient is simultaneously reduced and the total thermal conductivity is decreased due to phonon thermal conduction confinement. The thermoelectric figure of merit <em>ZT</em> is improved with peak values of 0.12, 0.12 and 0.09 at 973 K for the Pr, Eu and Tb doped CaMnO<sub>3</sub> oxide materials, respectively, which are very much higher than that of the undoped oxide material.</strong>
 
Publication, Distribution, Etc. Indian Journal of Pure & Applied Physics (IJPAP)
2015-08-11 13:33:00
 
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http://op.niscair.res.in/index.php/IJPAP/article/view/5174
 
Data Source Entry Indian Journal of Pure & Applied Physics (IJPAP); ##issue.vol## 53, ##issue.no## 8 (2015): Indian Journal of Pure & Applied Physics
 
Language Note en
 
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