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Effect of annealing on the structural and electrical properties of thermally evaporated In2Te3 thin films

P. BHARATHI1,* , A. SUBBARAYAN1

Affiliation

  1. Department of Physics, Kongunadu Arts and Science College, Coimbatore-641 029, TamilNadu, India

Abstract

Indium telluride thin films of higher thickness were prepared by thermal evaporation technique and the as-deposited films were annealed in a vacuum at different temperature. The influence on structure and electrical properties were characterized by X-ray diffraction (XRD) and resistivity measurements. From the structural analysis, the as-deposited In2Te3 films which were annealed at 423K and 573K respectively, reveals that the films are polycrystalline in nature. The structural parameters such as crystalline size, strain and dislocation density were determined using X-ray diffractogram of the film. Resistivity measurement by four probe method shows semi conducting nature.

Keywords

Indium telluride, Thermal evaporation, XRD, Resistivity measurement, Four probe.

Citation

P. BHARATHI, A. SUBBARAYAN, Effect of annealing on the structural and electrical properties of thermally evaporated In2Te3 thin films, Optoelectronics and Advanced Materials - Rapid Communications, 3, 4, April 2009, pp.334-337 (2009).

Submitted at: March 5, 2009

Accepted at: April 23, 2009