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Growth and Electrical Properties of Ternary ZrSTe Crystals

Abhay K. Dasadia ,  Brinda B. Nariya ,  Ashvinkumar R. Jani 

Abstract

We reports new ternary ZrSTe crystals gown by chemical vapour transport method. Vapor transport experiments with iodine were performed on the system ZrSTe to define optimum growth conditions in terms of crystal size and surface perfection. Confirmation of stoichiometric proportion of constituent elements of grown crystals was done by Energy Dispersive Analysis of X-rays (EDAX) . To find out resistivity we have performed two probe resistivity measurements and Hall coefficient, mobility as well as carrier concentration are obtained by Hall effect measurements along the cleavage plane of as grown ZrSTe crystals. Preliminary electrical resistivity measurements show a decrease of the resistance with temperature which suggests a semiconducting nature of ZrSTe. We also report thermoelectric power of ZrSTe crystals in temperature range 313K-573K. Data of Hall coefficient and thermo electric power have good agreement with available data and confirms the semiconducting behavior as well as n-type nature of ZrSTe crystals. This finding will inspire the search for similar materials and promote an in-depth investigation of the detailed operating mechanism.

 

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Presentation: Oral at 17th International Conference on Crystal Growth and Epitaxy - ICCGE-17, Topical Session 7, by Abhay K. Dasadia
See On-line Journal of 17th International Conference on Crystal Growth and Epitaxy - ICCGE-17

Submitted: 2013-01-30 07:20
Revised:   2013-07-27 10:49