Structural, Optical, and Magnetic Properties of Co Doped CdTe Alloy Powders Prepared by Solid-State Reaction Method
Author(s) -
M. Rigana Begam,
N. Madhusudhana Rao,
Girish M. Joshi,
S. Kaleemulla,
M.K. Shobana,
N. Sai Krishna,
M. Kuppan
Publication year - 2013
Publication title -
advances in condensed matter physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.314
H-Index - 26
eISSN - 1687-8124
pISSN - 1687-8108
DOI - 10.1155/2013/218659
Subject(s) - materials science , ferromagnetism , magnetometer , doping , alloy , analytical chemistry (journal) , band gap , lattice constant , magnetic semiconductor , magnetic hysteresis , diffraction , solid state , solid solution , cadmium telluride photovoltaics , semiconductor , condensed matter physics , nanotechnology , optoelectronics , metallurgy , chemistry , magnetic field , magnetization , optics , physics , chromatography , quantum mechanics
Co doped CdTe powder samples were prepared by solid-state reaction method. In the present work effect of Co doping on structural, optical, and magnetic properties has been studied. X-ray diffraction studies confirm zinc blend structure for all the samples. The lattice parameter showed linear increase with the increase in Co content. The elemental constituents were characterized by EDAX. Optical studies showed the increase in band gap with increase in Co level. The samples were diluted magnetic semiconductors and exhibited clear hysteresis loop showing room temperature ferromagnetism as confirmed by vibrating sample magnetometer
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