先进材料疑固实验室 Types of crystal growth Laboratory of Advanced Materials Solidification Lateral growth >Sharp interface(smooth surface)only has less than 10%void lattice points.This Arriving atom void lattice points will form Ledges (steps). >The ledges forming from void lattice points are normally less than a few atomic layers. >The deposited atoms on this kind of surface are less bonded. broken bonds'by four.(b)Addition to a ledge (L)only increases the number of broken boods by two,whereas at a jog in a ledge (J)there is no increase. >But the energy barrier for deposition of atoms are different with the deposition position. 上浒充通大学 SHANGHAI JIAO TONG UNIVERSITYTypes of crystal growth Lateral growth Sharp interface (smooth surface) only has less than 10% void lattice points. This void lattice points will form Ledges (steps). The ledges forming from void lattice points are normally less than a few atomic layers. The deposited atoms on this kind of surface are less bonded. But the energy barrier for deposition of atoms are different with the deposition position