Structural and Electrical Properties of Pb1-xYbxSeyTe1-y Quaternary Compound Synthesized by Solid State Microwave Assisted Plasma

Arshad Hmood; Arej Kadhim; Abu Hassan Haslan

doi:10.4028/www.scientific.net/AMR.501.257

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 501Structural and Electrical Properties of...

Structural and Electrical Properties of Pb_1-xYb_xSe_yTe_1-y Quaternary Compound Synthesized by Solid State Microwave Assisted Plasma

Abstract:

Solid-state microwave as a method was used to synthesize quaternary compounds Pb1-xYbxSe0.2Te0.8 from initial components to obtain polycrystalline ingots with large grain size. Thin films of Pb1-xYbxSe0.2Te0.8 were then deposited onto glass substrates using thermal evaporation in vacuum, which have a polycrystalline rock salt (NaCl) structure for powders, and thin films. The field emission scanning electron microscopy (FESEM) images reveal that the Pb1-xYbxSe0.2Te0.8 thin films with Yb-doped have uniform crystal grain size and dense nanostructure. The thermoelectric properties of thin films were measured in the temperature range 298–523 K. The Seebeck coefficient of films increased with x when x=0.015, 0.03 and 0.045, while decreased for x=0.06−0.105.

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Periodical:

Advanced Materials Research (Volume 501)

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257-260

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.501.257

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Online since:

April 2012

Authors:

Arshad Hmood, Arej Kadhim, Abu Hassan Haslan

Keywords:

Electrical Transport, Microstructure, Thermoelectric Material, Thin Film

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