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This paper reports the influence of silver (Ag) addition on the optical constants of chalcogenide (Se80Te20)100−xAgx (0 ≤ x ≤ 4) thin films. Films of (Se80Te20)100−xAgx (0 ≤ x ≤ 4) glasses were prepared by thermal evaporation of the bulk samples. The transmittance and reflection spectra of amorphous thin films were obtained in the spectral region in the range 400–2500 nm. The optical band gap and...
Thin films of GeTe, Ge2Sb2Te5 and Sb2Te3 have been synthesized from their respective polycrystalline bulk by thermal evaporation. X‐ray diffraction study of the films confirms the amorphous nature of GeTe and Ge2Sb2Te5 films, but as‐deposited Sb2Te3 film was in the crystalline form. Structural analysis has been performed for the annealed films above their crystallization temperature by XRD, which...
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