First-principles simulation and experimental evidence for improvement of transmittance in ZnO films |
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Authors: | Dong-yan ZHANG Pang-pang WANG Ri-ichi MURAKAMI Xiao-ping SONG |
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Affiliation: | Madhu MISHRA~1,Rashmi CHAUHAN~2,Anju KATIYAR~1,K.K.SRIVASTAVA~1 1.Department of Physics,Dayanand Brajendra Swarup D.B.S.(P.G.) College,Kanpur(U.P.),India,2.Department of Physics,D.A-V.(P.G.) College |
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Abstract: | Optical reflection and transmission spectra of Se_(80-x)Te_(20)Ag_x(where x=0,5,10 and 15,molar percent) chalcogenide thin films have been obtained in the range 300-1 200 nm at room temperature.Glassy samples are prepared by melt quenching technique and thin films are obtained by using vacuum evaporation technique on glass transition at room temperature.The present paper reports the effect of Ag contents on various optical parameters such as optical band gap,refractive index,extinction coefficient,absorptio... |
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Keywords: | chalcogenide thin film band gap optical constant |
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