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IJPAP Vol.43(07) [July 2005] >


Title: Thermoelectric power of mixed tungsten sulphoselenide single crystals grown by vapour phase technique
Authors: Patel, J B
Parmar, M N
Deshpande, M P
Solanki, G K
Agarwal, M K
Keywords: Vapour phase technique
Single crystals
Thermoelectric power
Tungsten sulphoselenide
Issue Date: Jul-2005
Publisher: CSIR
IPC CodeG01R 21/08
Abstract: The growth of mixed tungsten sulphoselenide single crystals i.e. WSxSe2-x  (0 ≤ x ≤ 2) grown by vapour phase technique and their characterization by Hall effect and thermoelectric power measurements have been reported. The Hall effect measurement indicates that these crystals are p-type in nature, which is very well supported by thermoelectric power measurements. From the temperature dependence of thermoelectric power, the Fermi energy (EF) and the constant (A) indicating the nature of scattering process have been obtained for all the samples. The density of states (NA) and effective mass of holes (m*h), have also been calculated for WSxSe2-x samples.
Page(s): 527-531
ISSN: 0975-1041 (Online); 0019-5596 (Print)
Source:IJPAP Vol.43(07) [July 2005]

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