No evidence for large-scale proton ordering in Antarctic ice from powder neutron diffraction

hdl:10013/epic.20954

No evidence for large-scale proton ordering in Antarctic ice from powder neutron diffraction

Fortes, AD, Wood, IG, Grigoriev, D, Alfredsson, M, Kipfstuhl, S, Knight, KS and Smith, RI ;

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kipfstuhl [ at ] awi-bremerhaven.de

Abstract

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.

Item Type

Article

Authors

Fortes, AD, Wood, IG, Grigoriev, D, Alfredsson, M, Kipfstuhl, S, Knight, KS and Smith, RI ;

Divisions

AWI Organizations > Geosciences > Glaciology

Programs

Basic Research > Helmholtz Independent Research

Publication Status

Published

Eprint ID

10477

DOI https://www.doi.org/10.1063/1.1765099

Cite as

Fortes, A. , Wood, I. , Grigoriev, D. , Alfredsson, M. , Kipfstuhl, S. , Knight, K. and Smith, R. (2004): No evidence for large-scale proton ordering in Antarctic ice from powder neutron diffraction , The Journal of Chemical Physics, 120 (24), pp. 11376-11379 . doi: https://www.doi.org/10.1063/1.1765099

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