2 papers
cond-mat.mtrl-sci2019
Origin of sawtooth domain walls in ferroelectrics
J. Zhang, Y. -J. Wang, J. Liu +6
Domains and domain walls are among the key factors that determine the performance of ferroelectric materials. In recent years, a unique type of domain walls, i.e., the sawtooth-sha…
cond-mat.mtrl-sci2018
Ewald summation for ferroelectric perovskites with charges and dipoles
D. Wang, J. Liu, J. Zhang +3
Ewald summation is an important technique used to deal with long-range Coulomb interaction. While it is widely used in simulations of molecules and solid state materials, many impo…