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Todoshchenko IA, Alles H, Junes HJ, et al. Devil's staircase of facets on the surface of 4He crystals. Phys Rev Lett. 2008;101(25):255302doi: 10.1103/PhysRevLett.101.255302.
Todoshchenko, I. A., Alles, H., Junes, H. J., Manninen, M. S., & Parshin, A. Y. (2008). Devil's staircase of facets on the surface of 4He crystals. Physical review letters, 101(25), 255302. https://doi.org/10.1103/PhysRevLett.101.255302
Todoshchenko, I A, et al. "Devil's staircase of facets on the surface of 4He crystals." Physical review letters vol. 101,25 (2008): 255302. doi: https://doi.org/10.1103/PhysRevLett.101.255302
Todoshchenko IA, Alles H, Junes HJ, Manninen MS, Parshin AY. Devil's staircase of facets on the surface of 4He crystals. Phys Rev Lett. 2008 Dec 19;101(25):255302. doi: 10.1103/PhysRevLett.101.255302. Epub 2008 Dec 18. PMID: 19113721.
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Phys Rev Lett. 2008 Dec 19;101(25):255302. doi: 10.1103/PhysRevLett.101.255302. Epub 2008 Dec 18.

Devil's staircase of facets on the surface of 4He crystals.

Physical review letters

I A Todoshchenko, H Alles, H J Junes, M S Manninen, A Ya Parshin

Affiliations

  1. Low Temperature Laboratory, Helsinki University of Technology, P.O. Box 5100, 02015 TKK, Finland.

PMID: 19113721 DOI: 10.1103/PhysRevLett.101.255302

Abstract

According to Landau, at T=0 the equilibrium crystal surface consists of an infinite number of facets lying in all directions with rational Miller indices-the so-called devil's staircase phenomenon. We have discovered 11 new types of facets on the surface of 4He crystals, in addition to the three observed before. Some of the new facets are of very high order, lying at angles as small as 4 degrees to the basal c facet, thus forming the predicted devil's staircase. The estimated step energies depend rather weakly on interplanar distance which we explain by the strong anisotropy of the steps.

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