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Title: Raman study of pressure-induced phase transitions in RbIO4
Authors: Narayana, Chandrabhas
Sood, A K
Keywords: Induced structural transitions
Diamond-anvil cell
Issue Date: 1-Apr-1995
Publisher: American Physical Society
Citation: Physical Review B 51(14), 8795-8800 (1995)
Abstract: The pressure dependence of the Raman spectra of RbIO4 has been investigated up to 27.3 GPa at room temperature using the diamond-anvil cell. The changes in the Raman spectra show clearly two pressure-induced phase transitions at 5.3 GPa from scheelite to pseudoscheelite and at 7.2 GPa from pseudoscheelite to wolframite. There is an indication of a possible phase transition at 18.3 GPa from wolframite to a denser complex structure. These transitions follow the same sequence as in other compounds such as alkali perrehenates, which crystallize in the scheelite structure. The systematics in pressure-induced phase transitions in alkali periodates is discussed.
Other Identifiers: 0163-1829
Appears in Collections:Research Articles (Chandrabhas N.)

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