Nucleation thermodynamical studies on nonlinear optical l-alanine single crystals

Nucleation parameters such as critical radius, critical free energy and volume free energy change have been evaluated for l-alanine single crystals. The interfacial energy of the solution at various temperatures has been estimated from existing solubility data. Metastable zone width and induction pe...

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Veröffentlicht in:	Journal of crystal growth 2007-09, Vol.307 (1), p.112-115
Hauptverfasser:	Raghavalu, Thenneti, Ramesh Kumar, G., Gokul Raj, S., Mathivanan, V., Mohan, R.
Format:	Artikel
Sprache:	eng
Schlagworte:	A1. Nucleation kinetics A2. Growth from solution B3. Nonlinear optical materials Condensed matter: structure, mechanical and thermal properties Cross-disciplinary physics: materials science rheology Equations of state, phase equilibria, and phase transitions Exact sciences and technology Fundamental areas of phenomenology (including applications) Materials science Methods of crystal growth physics of crystal growth Nonlinear optical crystals Optical materials Optics Physics Solubility, segregation, and mixing phase separation Theory and models of crystal growth physics of crystal growth, crystal morphology and orientation
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Zusammenfassung:	Nucleation parameters such as critical radius, critical free energy and volume free energy change have been evaluated for l-alanine single crystals. The interfacial energy of the solution at various temperatures has been estimated from existing solubility data. Metastable zone width and induction period measurements have been carried out experimentally. The thermal strength of the grown crystals has also been determined from differential scanning calorimetry (DSC).
ISSN:	0022-0248 1873-5002
DOI:	10.1016/j.jcrysgro.2007.05.053