No evidence for large-scale proton ordering in Antarctic ice from powder neutron diffraction.
J CHEM PHYS
11376 - 11379.
We have examined a sample of 3000 year old Antarctic ice, collected at the Kohnen Station, by time-of-flight powder neutron diffraction to test the hypothesis of Fukazawa et al. [e.g., Ann. Glaciol. 31, 247 (2000)] that such ice may be partially proton ordered. Great care was taken to keep our sample below the proposed ordering temperature (237 K) at all times, but we did not observe any evidence of proton ordering. (C) 2004 American Institute of Physics.
|Title:||No evidence for large-scale proton ordering in Antarctic ice from powder neutron diffraction|
|Keywords:||D2O ICE, SCATTERING MEASUREMENTS, DIELECTRIC-PROPERTIES, PHASE-TRANSITION, DOME-FUJI, IH, XI, KOH, RAMAN, CORE|
|UCL classification:||UCL > School of BEAMS
UCL > School of BEAMS > Faculty of Maths and Physical Sciences
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