Vibrational properties of superionic glasses (AgI)x(Ag2O nB2O3)1-x |
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| Authors: | A. Fontana G. Mariotto E. Cazzanelli G. Carini M. Cutroni M. Federico |
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| Affiliation: | Istituto di Fisica Università di Trento and Unità GNSM-CNR di Trento, Trent, Italy;Istituto di Fisica Università di Messina and Unità GNSM-CNR di Messina, Messina, Italy |
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| Abstract: | In this letter we refer on the Raman-scattering measurements in superionic glasses (AgI)x(Ag2O nB2O3)1-x where 0 ? x ? 0.5. The behaviour of the low-frequency Raman spectra, Δν < 250 cm?1, has been interpreted as due to a vibrational density of states mainly due to the silver halide. Nonlinear increase of the Raman efficiency with the increase of AgI concentration has been found: a phenomenological explanation is presented. |
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