Abstract
This lecture first focuses on operational definitions — it is hoped without circularity — of thermodynamic systems, fields, phases, and equilibrium conditions. In particular, I will show that the latter are always the consequence of a minimum principle due to Gibbs. I will also emphasize that equilibrium does not always imply constancy of fields. Then, phase diagrams, also due to the genius of Gibbs, emerge as a graphical representation of equilibria. I will demonstate through examples (garnets and ternary III-V’s) how these diagrams are used. Finally, I will indicate that the final crystal product, under certain circumstances of “slow” growth, can be predicted from equilibrium considerations alone.
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References and Notes
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© 1989 Plenum Press, New York
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Ghez, R. (1989). A Theoretical Crystal Grower’s View of Phase Equilibria. In: Arend, H., Hulliger, J. (eds) Crystal Growth in Science and Technology. NATO ASI Series, vol 210. Springer, Boston, MA. https://doi.org/10.1007/978-1-4613-0549-1_1
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