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Terrace ledge kink model : ウィキペディア英語版 | Terrace ledge kink model In chemistry, the Terrace Ledge Kink model (TLK), which is also referred to as the Terrace Step Kink model (TSK), describes the thermodynamics of crystal surface formation and transformation, as well as the energetics of surface defect formation. It is based upon the idea that the energy of an atom’s position on a crystal surface is determined by its bonding to neighboring atoms and that transitions simply involve the counting of broken and formed bonds. The TLK model can be applied to surface science topics such as crystal growth, surface diffusion, roughening, and vaporization. ==History==
The TLK model is credited as having originated from papers published in the 1920s by two German chemists W. Kossel〔Kossel, W., Extenoling the Law of Bravais (). Nach Ges Wiss Gottingen 1927, 143.〕 and I. N. Stranski〔Stranski, I. N., Zur Theorie des Kristallwachstums. Z. Phys. Chem 1928, 136, 259-278.〕 wherein the thermodynamic stability of step edges were discussed.
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