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IJPAP Vol.44(10) [October 2006] >


Title: Simultaneous measurement of thermal conductivity and diffusivity of Se85Cd15-xZnx system at room temperature
Authors: Kishore, V
Sharma, R
Saxena, N S
Keywords: Thermal conductivity
Thermal diffusivity
Specific heat
Mean free path
Issue Date: Oct-2006
Publisher: CSIR
IPC CodeG01N25/18
Abstract: The samples of selenium rich Se85Cd15-xZnx (x= 0, 3, 7, 11 and 15) have been prepared by slow cooling of melt technique. The pellets of the samples have been prepared at constant load of 10 ton (pressure of 866 Mpa). Measurements of effective thermal conductivity (λe) and effective thermal diffusivity (e) of selenium rich Se85Cd15-xZnx pellets, have been carried out at room temperature using transient plane source (TPS) technique. From the measured values of λe and e, specific heat per unit volume (Cp, derived quantity) of these samples in the composition range of investigation, have been determined. The variations of effective thermal conductivity and effective thermal diffusivity of Se85Cd15-XZnx with composition have been explained on the basis of binding energy of the alloys formed and mean free path of the phonons.
Page(s): 759-762
ISSN: 0975-1041 (Online); 0019-5596 (Print)
Source:IJPAP Vol.44(10) [October 2006]

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