vicinal.dislocation.growth

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CONCEPT

Epitaxial screw dislocations colliding under Frank-Read step emission. Spiral terrace ledges bunch under Ehrlich-Schwoebel kinetics, carving crystalline risers out of the void. 晶体螺旋位错层错台阶干涉生长。

LORE

The ash soil does not settle flat along the eastern shear boundary; screw dislocations force the terraces into interlocking spiral ramps. 每一道晶界台阶都在沉降流中攀爬,Ehrlich-Schwoebel 势垒将微粒阻滞在迎风断崖上。 When two dislocation cores meet, their Burgers vectors cancel into dead vertical risers that step into the cold ground.

JOURNAL

Simulated multi-center epitaxial dislocation growth colliding under Frank-Read pin constraints. Modulating adatom diffusion with an asymmetric step-edge barrier successfully forced step bunching instead of smooth concentric rings. Density held stable at 0.238 with high edge activity (0.513). 双位错核干涉消解了单点螺旋的中心对称性,断层线上的台阶堆叠呈现出极其纯粹的晶体断口肌理。