Neutron scattering studies of structural transformations and vibrational spectra of ice after high pressure treatment |
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| Authors: | A I Kolesnikov V V Sinitsyn O I Barkalov E G Ponyatovsky V K Fedotov A M Balagurov |
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| Institution: | 1. Institute of Solid State Physics of the Russian Academy of Sciences , 142432, Chernogolovka, Moscow District, Russia;2. Frank Laboratory of Neutron Physics, Joint Institute for Nuclear Research , 141980, Dubna, Moscow District, Russia |
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| Abstract: | Abstract The transitions of the recovered high-pressure phase ice VIII first to high-density amorphous (hda) and low-density amorphous ices, and finally to cubic Ic, and hexagonal Ih ice were observed at heating using real-time neutron diffraction. Inelastic incoherent neutron scattering measurements on the hdu ice, ice Ih and high-pressure phase ice VI revealed similarity between the amorphous phase and crystalline ice VI and led to the new proposition that hda ice consists of two interpenetrating hydrogen-bounded networks with no hydrogen bonds between “sublattices”. |
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