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Diffuse scattering in Ih ice

Chernyshov, Dmitry
Krisch, Michael
Bulat, Sergey
Ezhov, Victor
Bosak, Alexeï
Published in Journal of Physics. Condensed Matter. 2014, vol. 26, no. 26, p. 265401
Abstract Single crystals of ice Ih, extracted from the subglacial Lake Vostok accretion ice layer (3621 m depth) were investigated by means of diffuse x-ray scattering and inelastic x-ray scattering. The diffuse scattering was identified as mainly inelastic and rationalized in the frame of ab initio calculations for the ordered ice XI approximant. Together with Monte-Carlo modelling, our data allowed reconsidering previously available neutron diffuse scattering data of heavy ice as the sum of thermal diffuse scattering and static disorder contribution.
Keywords Lattice dynamicsIceInelastic x-ray scatteringThermal diffuse scatteringAb initio lattice dynamicsPhonon dispersion
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WEHINGER, Björn et al. Diffuse scattering in Ih ice. In: Journal of Physics. Condensed Matter, 2014, vol. 26, n° 26, p. 265401.

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Deposited on : 2015-03-18

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