35. 20 Simple App l icat ions of Dislocation Theory I Crystal Growth and Inter facia Structure 1. Crystal Growth Vapor— Solid; Liquid—- Solid G ap G=H-TS △Ghi=Gl-Gvap △G=VAGn1+Sy≤0§5.20 Simple Applications of Dislocation Theory ◆ Ⅰ.Crystal Growth and Interfacial Structure 1. Crystal Growth Vapor —— Solid ; Liquid —— Solid G To T Gvap Gsol 0 chi chi sol vap  =  +   = − = − G V G S G G G G H TS