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Journal Article

Surface energy and surface proton order of ice Ih

MPS-Authors
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Pan,  Ding
Theory, Fritz Haber Institute, Max Planck Society;

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Liu,  Li-Min
Theory, Fritz Haber Institute, Max Planck Society;

/persons/resource/persons21878

Michaelides,  Angelos
Theory, Fritz Haber Institute, Max Planck Society;

/persons/resource/persons22211

Wang,  Enge
Theory, Fritz Haber Institute, Max Planck Society;

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PRL-101-155703-2008.pdf
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Citation

Pan, D., Liu, L.-M., Tribello, G. A., Slater, B., Michaelides, A., & Wang, E. (2008). Surface energy and surface proton order of ice Ih. Physical Review Letters, 101(15): 155703. doi:10.1103/PhysRevLett.101.155703.


Cite as: https://hdl.handle.net/11858/00-001M-0000-0010-FBBA-E
Abstract
Ice Ih is comprised of orientationally disordered water molecules giving rise to positional disorder of the hydrogen atoms in the hydrogen bonded network of the lattice. Here, we arrive at a first principles determination of the surface energy of ice Ih and suggest that the surface of ice is significantly more proton ordered than the bulk. We predict that the proton order–disorder transition, which occurs in the bulk at ~72 K, will not occur at the surface at any temperature below surface melting. An order parameter which defines the surface energy of ice Ih surfaces is also identified.