Effect of UV exposure on optical properties of amorphous As_2S_3 thin films
A. L. DawarDefence Science Centre, Metcalf House, Delhi-110054,
IndiaP. K. ShishodiaThe other authors are with University of Delhi, Department of Physics & Astrophysics, Delhi-110007,
IndiaGayatri ChauhanThe other authors are with University of Delhi, Department of Physics & Astrophysics, Delhi-110007,
IndiaJ. C. JoshiDefence Science Centre, Metcalf House, Delhi-110054,
IndiaC. JagadishQueen’s University, Physics Department, Kingston, Ontario K7L 3N6,
CanadaP. C. MathurThe other authors are with University of Delhi, Department of Physics & Astrophysics, Delhi-110007,
India
1990en
ABI
Annotatsiya
Systematic studies of the refractive index, extinction coefficient, and optical band gap have been made of as grown and UV-exposed amorphous films of As(2)S(3) grown by thermal evaporation from resistive source. The refractive index and extinction coefficient have been found to change with different UV exposure duration. No noticeable change was observed in the optical band gap with UV exposure.
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