On the growth of ammonium nitrate(III) crystals


Vogels, L.J.P. and Marsman, H.A.M. and Verheijen, M.A. and Bennema, P. and Elwenspoek, M. (1990) On the growth of ammonium nitrate(III) crystals. Journal of Crystal Growth, 100 (3). pp. 439-446. ISSN 0022-0248

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Abstract:The growth rate of NH4NO3 phase III crystals is measured and interpreted using two models. The first is a standard crystal growth model based on a spiral growth mechanism, the second outlines the concept of kinetical roughening. As the crystal becomes rough a critical supersaturation can be determined and from this the step free energy. The step free energy versus temperature turns out to be well represented by a Kosterlitz¿Thouless type model. Further a phenomenological treatment of some peculiar growth observations is given.
Item Type:Article
Copyright:© 1990 Elsevier Science
Electrical Engineering, Mathematics and Computer Science (EEMCS)
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Link to this item:http://purl.utwente.nl/publications/56032
Official URL:https://doi.org/10.1016/0022-0248(90)90242-D
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