InSb and GaSb polycrystals were grown using the dewetting technique. After optimization of the set up and growth parameters, four samples, 88 mm in length and 11 mm in diameter, have been obtained. The grown crystals were characterized by using X-ray analysis and thermoelectric power measurements. The effect of solidification type (attached, dewetted and so on) on the lattice parameters, microstrain and Crystallite size (D) of the obtained crystals was investigated. Their thermoelectrically properties were investigated also in relation to the type of solidification. Power factor values obtained for dewetted antimonide samples have shown the highest values obtained till now. These results indicate that dewetting can be used to produce InSb and GaSb with high power factor for thermoelectricity device applications.

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