Raman study of SO2 at high pressure: aggregation,phase transformations,and photochemistry |
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| Authors: | Basil I Swanson Lucia M Babcock David Schiferl David C Moody Robert L Mills Robert R Ryan |
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| Institution: | Los Alamos National Laboratory, University of California, Los Alamos, New Mexico 87545, USA |
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| Abstract: | We report Raman measurements made on SO2 in a diamond cell up to 75 kbar showing two new phases, solid II and solid III, which differ from known, zero-pressure solid I. Spectra indicate that SO2 molecules aggregate in solid III to possibly form a cyclical trimer; solid III is shown to be photochemically active to blue radiation. |
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