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Journal
2005 | 3 | 1 | 188-197
Article title

On the role of surface energy in the flattening of a crystal face

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EN
Abstracts
EN
The question addressed in this paper is the flattening of the valley separating two growth hillocks emanating from screw dislocations during crystal growth. It is argued that both thermodynamic and kinetic effects contribute to this result, at least on a quasi-atomic scale. If performed under low enough supersaturation the growth leads to the formation of the face morphology corresponding to the minimum of the surface free energy. Accelerated step annihilation in the valley floor is a universal factor, which favors face flatting under any supersaturation.
Publisher
Journal
Year
Volume
3
Issue
1
Pages
188-197
Physical description
Dates
published
1 - 3 - 2005
online
1 - 3 - 2005
References
  • [1] Chr.N. Nanev: “Polyhedral stability-on the growth of flat crystal faces on small molecule and protein crystals”. Cryst. Res. Technol., Vol 39, (2004), pp. 3–10. http://dx.doi.org/10.1002/crat.200310142[Crossref]
  • [2] R. Gomer: Field emission and field ionization, Harvard University Press, 1961.
  • [3] J.M. Blakely: “Surface Diffusion. In: Bruce Chalmers (Ed.): Progress in Material Science, Vol. 10. Pergamon Press, Oxford, 1963.
  • [4] N. Cabrera and M. Levine: “On the dislocation theory of crystal evaporation”, Phil. Mag., Vol. 1, (1956), pp. 450–458.
  • [5] E.D. Williams: “Surface steps and surface morphology: understanding macroscopic phenomena from atomic observations”, Surface Sci., Vol. 299/300, (1994), pp. 502–524. http://dx.doi.org/10.1016/0039-6028(94)90678-5[Crossref]
  • [6] Chr. Naev: “Periodically reversed growth and dissolution of separate faces of silver single crystals”, Electrochem. Acta, Vol. 25, (1980), pp. 1383–1387. http://dx.doi.org/10.1016/0013-4686(80)87153-2[Crossref]
  • [7] E. Budevski, G. Staykov and W. Bostanov: “Form and step distance of polygonized growth spirals”, J. Cryst. Growth, Vol. 29, (1975), pp. 316–320. http://dx.doi.org/10.1016/0022-0248(75)90178-5[Crossref]
  • [8] A.A. Chernov: “Stability of faceted shapes”, J. Cryst. Growth, Vol. 24/25 (1974), pp. 11–31. http://dx.doi.org/10.1016/0022-0248(74)90277-2[Crossref]
  • [9] P.G. Vekilov and Chr. Nanev: “Elementary growth kinetics of silver electrocrystallization”, J. Cryst. Growth, Vol. 125, (1992), pp. 229–236. http://dx.doi.org/10.1016/0022-0248(92)90337-I[Crossref]
Document Type
Publication order reference
YADDA identifier
bwmeta1.element.-psjd-doi-10_2478_BF02476249
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