Preparation and Electrical Properties of Ternary Compound (PbTe)1-x(SnTe)x with Nanocrystallines

J.L. Cui

doi:10.4028/www.scientific.net/KEM.280-283.389

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HomeKey Engineering MaterialsKey Engineering Materials Vols. 280-283Preparation and Electrical Properties of Ternary...

Preparation and Electrical Properties of Ternary Compound (PbTe)_1-x(SnTe)_x with Nanocrystallines

Abstract:

Ternary compounds (PbTe)1-x(SnTe)x with nanocrystallines were synthesized at a temperature of 180oC by conventional solvothermal method. XRD analyses revealed that relatively pure compounds can be synthesized using ethylenediamine as a solvent only when a reaction time of at least 24h is applied. The XRD results are in agreement well with those from EMPA analysis. The grain sizes of the materials, ranging from 50~70nm, are slowly increased with reaction time. Measurements showed that the maximum power factor of about 6.0×10-4 W.m.K-2 for the synthesized materials are higher than that of similar material prepared by vacuum melting.

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Key Engineering Materials (Volumes 280-283)

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389-392

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https://doi.org/10.4028/www.scientific.net/KEM.280-283.389

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February 2007

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J.L. Cui

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(PbTe)_1-x(SnTe)_x, Electrical Properties, Nanocrystalline

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