Fourier transform Raman spectroscopy at high pressures: Preliminary results of sulphur to 56 kbar |
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| Institution: | 1. Social-Ecological Systems Laboratory, Department of Ecology, Universidad Autónoma de Madrid, c. Darwin, 2, 28049 Madrid, Spain;2. Sociology of Climate Change and Sustainable Development Research Group, Social Analysis Department, University Carlos III, Madrid, Spain;3. Basque Centre for Climate Change (BC3), Alameda Urquijo 4, 48008 Bilbao, Spain;1. Materials and Structures Laboratory & Materials Research Center for Element Strategy, Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama 226-8503, Japan;2. Department of Physics, Graduate School of Science, Osaka University, Toyonaka, Osaka 560-0043, Japan;1. Cavendish Laboratory, University of Cambridge, Madingley Road, Cambridge CB3 0HE, UK;2. Department of Physics & Astronomy, University College of London, Gower Street, London WCIE 6BT, UK;3. Department of Condensed Matter Physics and Materials Science, Brookhaven National Laboratory, Upton, NY 11973, USA;1. Beijing National Laboratory for Condensed Matter Physics and Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China;2. School of Physical Sciences, University of Chinese Academy of Sciences, Beijing 100190, China;1. Center for High Pressure Science (CHiPS), State Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao, Hebei, 066004, China;2. Physics Department and EHU Quantum Center, University of the Basque Country, UPV/EHU, 48080, Bilbao, Spain;3. Donostia International Physics Center (DIPC), 20018, Donostia, Spain;4. Centro de Física de Materiales CFM, Centro Mixto CSIC-UPV/EHU, 20018, Donostia, Spain;5. Department of Chemistry, State University of New York at Buffalo, Buffalo, NY, 14260-3000, United States;6. Department of Physics, Southern University of Science and Technology, Shenzhen, 518055, China;7. Extreme Conditions Physics Research Team, College of Mathematics and Physics, Inner Mongolia Minzu University, Tongliao, 028043, China |
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| Abstract: | The feasibility of obtaining Fourier transform (FT) Raman spectra at high pressure in a diamond anvil cell has been investigated. By using a high pressure cell in conjunction with a micro-FT-Raman system, FT-Raman spectra with good signal-to-noise ratios have been measured for sulphur to 56 kbar. In general, the internal modes show significant increases with pressure. No phase transition was observed throughout the pressure range studied. |
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