Aging effect on the structure and optical properties of nano Cu 2 S films
作者： H.A. Alburaih , A. El-Denglawey
DOI: 10.1016/J.RINP.2017.02.029
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摘要: Abstract The amorphous nature is the dominant state of as deposited Cu2S films. Films were aged for 3, 6 and 12 months. films 12 months are poly crystalline within nano scale. (1 0 2), (1 1 0), (1 0 3) (1 1 2) preferred orientations aging. calculated crystallite sizes 13, 29, 33 54 nm respectively. optical gap direct; it increases with increasing aging time well oscillation energy constant A. Refractive index, infinity dielectric constant, lattice real imaginary part ratio carrier concentration to effective mass, dispersion decreasing time. Optical conductivity loss function studied; both decrease by
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