2 citations · 2 across the 3 of their papers we have counts for
3 papers
Hybrid Models of Step Bunching
Diana Staneva, Bogdan Ranguelov, Vesselin Tonchev
We introduce two hybrid models of step bunching on vicinal crystal surfaces. The model equations for step velocity are constructed by the two possible exchanges of terms between th…
Self-Organization on Unstable Vicinal Surfaces with Competing Interactions
Vesselin Tonchev, Bogdan Ranguelov, Diana Staneva
Long-ranged step-step attractions destabilize the vicinal crystal surfaces. Their competition with shorter-ranged step-step repulsions results in self-organized patterns. The expon…
Models of step bunching: Turning repulsion into attraction
Diana Staneva, Bogdan Ranguelov, Vesselin Tonchev
We report numerical results for two models of vicinal motion. The first, LW, aims at crystal evaporation when the detachment from steps is slow [Liu and Weeks, PRB 57, 23 (1998) 14…