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![]() | Vardeny, Zeev Valentine | Photoinduced absorption spectra in α-GeH and α-Si:H | Measurements of steady-state photoinduced absorption in α-Ge:H and α-Si:H were extended to cover the energy range from 0.25 to 1.9 eV. The subgap photoinduced-absorption bands in both materials are interpreted in terms of four kinds of optical transitions of photogenerated carriers from traps in ... | Photoinduced absorption; in a-GeH; a-Si:H; Amorphous germanium; Amorphous silicon | 1984-07 |