INFLUENCE OF KILO-ELECTRON-VOLT OXYGEN ION IRRADIATION ON STRUCTURAL, ELECTRICAL AND OPTICAL PROPERTIES OF CdTe THIN FILMS

Shehla Honey, F. T. Thema, M. T. Bhatti, A. Ishaq, Shahzad Naseem and M. Maaza
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Shehla Honey: Centre of Excellence in Solid State Physics, University of Punjab, QAC, Lahore, Pakistan†National Center for Physics, Quaid-i-Azam University, Islamabad 44000, Pakistan§UNESCO-UNISA Africa Chair in Nanosciences/Nanotechnology, College of Graduate Studies, University of South Africa, Muckleneuk Ridge, P.O. Box 392, Pretoria, South Africa¶Nanosciences African Network (NANOAFNET), iThemba LABS-National Research Foundation, 1 OldFaure Road, Somerset West 7129, P.O. Box 722, Somerset West, Western Cape Province, South Africa
F. T. Thema: #xA7;UNESCO-UNISA Africa Chair in Nanosciences/Nanotechnology, College of Graduate Studies, University of South Africa, Muckleneuk Ridge, P.O. Box 392, Pretoria, South Africa¶Nanosciences African Network (NANOAFNET), iThemba LABS-National Research Foundation, 1 OldFaure Road, Somerset West 7129, P.O. Box 722, Somerset West, Western Cape Province, South Africa
M. T. Bhatti: #x2021;Department of Physics, Bahauddin Zakariya University, Multan 60800, Pakistan
A. Ishaq: #x2020;National Center for Physics, Quaid-i-Azam University, Islamabad 44000, Pakistan§UNESCO-UNISA Africa Chair in Nanosciences/Nanotechnology, College of Graduate Studies, University of South Africa, Muckleneuk Ridge, P.O. Box 392, Pretoria, South Africa¶Nanosciences African Network (NANOAFNET), iThemba LABS-National Research Foundation, 1 OldFaure Road, Somerset West 7129, P.O. Box 722, Somerset West, Western Cape Province, South Africa
Shahzad Naseem: Centre of Excellence in Solid State Physics, University of Punjab, QAC, Lahore, Pakistan
M. Maaza: #xA7;UNESCO-UNISA Africa Chair in Nanosciences/Nanotechnology, College of Graduate Studies, University of South Africa, Muckleneuk Ridge, P.O. Box 392, Pretoria, South Africa¶Nanosciences African Network (NANOAFNET), iThemba LABS-National Research Foundation, 1 OldFaure Road, Somerset West 7129, P.O. Box 722, Somerset West, Western Cape Province, South Africa

Surface Review and Letters (SRL), 2016, vol. 23, issue 01, 1-6

Abstract: In this paper, effect of oxygen (O+) ion irradiation on the properties of polycrystalline cubic structure CdTe thin films has been investigated. CdTe thin films were irradiated with O+ ions of energy 80keV at different fluence ranging from 1×1015 to 5×1016 ion/cm2 at room temperature. At 1×1015 ion/cm2 O+ ions fluence, the CdTe structure was maintained while XRD peaks of cubic phase were shifted toward lower angles. At 5×1016 ion/cm2 O+ ions fluence, cubic structure of CdTe thin films was transformed into hexagonal structure. In addition, electrical resistivity and optical bandgap were decreased with increasing O+ ion beam irradiation.

Keywords: CdTe; oxygen irradiation; phase transformation; electrical resistivity; optical bandgap (search for similar items in EconPapers)
Date: 2016
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DOI: 10.1142/S0218625X15500857

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