N Mehta et al 2005 J. Phys. D: Appl. Phys. 38 3953 doi:10.1088/0022-3727/38/21/018
Investigation of compensation effect for isothermal crystallization in glassy Se80−xTe20Mx (M = Cd, Ge, Sb) alloys
N Mehta1, D Kumar2 and A Kumar1,3
Show affiliationsThe compensation effect (also known as the Meyer–Neldel (MN) rule) is observed in many activated phenomena, including solid-state diffusion in crystals and polymers, dielectric relaxation, conduction and thermally stimulated processes in polymers and electronic conduction in amorphous semiconductors. In the present paper, we have investigated the compensation effect for isothermal crystallization in glassy Se80−xTe20Mx (M = Cd, Ge, Sb) alloys. The extent of crystallization was estimated from the dc conductivity measurements for the present chalcogenide glasses. We have observed the MN rule relating the pre-exponential factor K0 and the activation energy of crystallization Ec for all three glassy systems.
- PACS
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77.22.Gm Dielectric loss and relaxation
72.15.Cz Electrical and thermal conduction in amorphous and liquid metals and alloys
- Subjects
- Dates
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Issue 21 (7 November 2005)
Received 28 June 2005, in final form 2 September 2005
Published 24 October 2005
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Investigation of compensation effect for isothermal crystallization in glassy Se80−xTe20Mx (M = Cd, Ge, Sb) alloys
N Mehta et al 2005 J. Phys. D: Appl. Phys. 38 3953
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