49 citations · 315 across the 41 of their papers we have counts for
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cond-mat.mtrl-sci2013
New discrete method for investigating the response properties in finite electric field
Myong Chol Pak, Nam-Hyok Kim, Hak-Chol Pak +1
In this paper we develop a new discrete method for calculating the dielectric tensor and Born effective charge tensor in finite electric field by using Berry's phase and the gauge…
cond-mat.mtrl-sci2013
Defect energetics and electronic structures of As-doped p-type ZnO crystals: A first-principles study
Chol-Jun Yu, Yong-Guk Choe, Son-Guk Ri +2
First-principles calculations based on density functional theory have been carried out to understand the mechanism of fabricating As-doped p-type ZnO semiconductors. It has been co…