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Effect of gamma radiation on structural, optical and electrical properties of ZnO thin films

SAJU JOSEPH1,* , O. N. BALASUNDARAM2

Affiliation

  1. Department of Engineering, Sur University College, Sur, Sultanate of Oman - 411
  2. Department of Physics, PSG College of Arts and Science, Coimbatore – 641014, Tamilnadu, India

Abstract

Thin films of zinc oxide (ZnO) were prepared on cleaned glass substrate by a solution of zinc acetate in a carrier gas of air using spray pyrolysis technique. Then the prepared films were subjected to gamma radiation at different dose levels. Before and after gamma radiation, the optical, structural and electrical properties were studied. From UV results, it was found that the optical band gap decreases with the gamma radiation dose. XRD pattern revealed the poly crystalline nature of the sample and illustrated that the crystalline nature of the sample increases with gamma radiation dosages. Electrical studies showed the increase in current with respect to the applied gamma radiation dose..

Keywords

Thin films, Optical, Gamma, Radiation, X-Ray diffraction.

Citation

SAJU JOSEPH, O. N. BALASUNDARAM, Effect of gamma radiation on structural, optical and electrical properties of ZnO thin films, Optoelectronics and Advanced Materials - Rapid Communications, 11, 5-6, May-June 2017, pp.377-380 (2017).

Submitted at: Nov. 13, 2016

Accepted at: June 7, 2017