Study of the physical properties of PLD grown cobalt doped nanocrystalline Zn0.9Cd0.1S thin films |
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| Authors: | Amit Kumar Chawla Sonal Singhal Hari Om Gupta Ramesh Chandra |
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| Affiliation: | 1. College of Engineering Studies, University of Petroleum & Energy Studies, Dehradun – 248007, India;2. Nanoscience Laboratory, Institute Instrumentation Center, Indian Institute of Technology Roorkee, Roorkee-247667, India;3. Department of Electrical Engineering, Indian Institute of Technology Roorkee, Roorkee-247667, India |
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| Abstract: | We report a systematic study of structural, optical, and magnetic measurements on Zn0.9Cd0.1S:yCo films in the concentration range of 0.005 ≤ y ≤ 0.05 M using pulsed laser deposition technique. Structure, composition analysis, and optical measurements revealed that Cobalt is incorporated into the lattice, as Co2+ substituting Zn2+ ions, forming a solid solution with cubic structure instead of Cobalt precipitates. Low temperature magnetization measurements reveal a paramagnetic behavior. UV–vis measurements showed a red shift with respect to undoped sample in the energy band gap with increasing Cobalt concentration. Photoluminescence measurements shows ~ 300 times increase in intensity by Cobalt doping in Zn0.9Cd0.1S matrix. |
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