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Optical properties of amorphous thin film of Se-Te-Ag system prepared by using thermal evaporation technique |
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| Authors: | Madhu MISHRA Rashmi CHAUHAN Anju KATIYAR and K K SRIVASTAVA |
| Institution: | Wei-chang HAO~(1,5),Jian-jun LI~2,Huai-zhe XU~3,Jia-ou WANG~4,Tian-min WANG~1 1.Center of Materials Physics and Chemistry,Beihang University,Beijing 100083,China,2.Department of Materials Science and Engineering,Anhui University of Science and Technology,Huainan 232001,3.Department of Physics,4.Beijing Synchrotron Radiation Facility,Institute of High Energy Physics,Chinese Academy of Sciences,100049,5.Key Laboratory of Micro-nano Measurement,Manipula... |
| Abstract: | Zn_(0.95)Co_(0.05)O and Zn_(0.91)Co_(0.05)Cu_(0.04)O thin films were fabricated on Si(111) substrate by the reactive magnetron sputtering method at different O-Ar ratios.Detailed characterizations by X-ray diffractometry(XRD),X-ray photo-electronic spectrum(XPS), and electron paramagnetic resonance(EPR) indicate that the doped Cu ions substitute the Zn~(2+) ions in the ZnO lattice.The doped Cu ions are in Cu~+ and Cu~(2+) mixture valence states.The ferromagnetism of the Zn_(0.91)Co_(0.05)Cu_(0.04)O film inc... |
| Keywords: | Zn_(0 95)Co_(0 05)O films Zn_(0 91)Co_(0 05)Cu_(0 04)O films magnetic semiconductors magnetic coupling co-doping |
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