Byeong-Joo Lee Multi-component Heterogeneous System Byeong-Joo Lee POSTECH - MSE

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Presentation transcript:

Byeong-Joo Lee Multi-component Heterogeneous System Byeong-Joo Lee POSTECH - MSE

Byeong-Joo Lee Property of a Regular Solution

Byeong-Joo Lee Property of a Regular Solution

Byeong-Joo Lee Standard States

Byeong-Joo Lee Standard States

Byeong-Joo Lee Standard States Which standard states shall we use?

Byeong-Joo Lee

Byeong-Joo Lee

Byeong-Joo Lee

Byeong-Joo Lee Phase Diagrams - Relation with Gibbs Energy of Solution Phases

Byeong-Joo Lee Phase Diagrams - Binary Systems

Byeong-Joo Lee Phase Structure of Multicomponent and Multiphase Systems

Byeong-Joo Lee Morphological Evolution - from Y.S. Yoo, KIMM

Byeong-Joo Lee Morphological Evolution - from Y.S. Yoo, KIMM

Byeong-Joo Lee Phase Equilibrium 1. Conditions for equilibrium 2. Gibbs Phase Rule 3. How to interpret Binary and Ternary Phase Diagrams ▷ Lever-Rule

Byeong-Joo Lee CVD Diamond - N.M. Hwang et al., J. Crystal Growth 162, 55 (1996) Diamond deposited on silicon substrate Soot deposited on the iron substrate

Byeong-Joo Lee ※ Example: Deposition of Silicon SiH 4 + 2Cl 2 = Si + 4HCl Driving force of CVD Deposition - from N.M. Hwang, SNU

Byeong-Joo Lee Diamond formation with simultaneous graphite etching in low pressure synthesis of diamond in low pressure synthesis of diamond Thermodynamic Paradox - from N.M. Hwang, SNU

Byeong-Joo Lee Phase Diagrams - Binary Systems

Byeong-Joo Lee Phase Diagrams - Ternary Systems 1273 K 923 K

Byeong-Joo Lee Assessment of thermodynamic properties in the Na-Al-H ternary system

Byeong-Joo Lee Assessment of thermodynamic properties in the Li-Al-H ternary system

Byeong-Joo Lee Interfacial Reactions ? - between Ti and Al2O3