activity
20182023
most citedMulti-scale simulations of electron and ion dynamics in self-irradiated silicon

61 citations · 169 across the 8 of their papers we have counts for

collaborators

8 papers

cond-mat.mtrl-sci2023

Defects and Oxygen Impurities in Ferroelectric Wurtzite AlScN Alloys

Naseem Ud Din, Cheng-Wei Lee, Geoff L. Brennecka +1

III-nitrides and related alloys are widely used for optoelectronics and as acoustic resonators. Ferroelectric wurtzite nitrides are of particular interest because of their potentia…

cond-mat.mtrl-sci2022

Electron dynamics in extended systems within real-time time-dependent density functional theory

Alina Kononov, Cheng-Wei Lee, Tatiane Pereira dos Santos +10

Due to a beneficial balance of computational cost and accuracy, real-time time-dependent density functional theory has emerged as a promising first-principles framework to describe…

cond-mat.mtrl-sci2022

Ternary Wide Band Gap Oxides for High-Power Electronics Identified Computationally

Emily McDonald Garrity, Cheng-Wei Lee, Prashun Gorai +3

As electricity grids become more renewable energy-compliant, there will be a need for novel semiconductors that can withstand high power, high voltage, and high temperatures. Wide…

cond-mat.mtrl-sci2021★ 13 cited

Transition metal impurities in Silicon: Computational search for a semiconductor qubit

Cheng-Wei Lee, Meenakshi Singh, Adele Tamboli +1

Semiconductors offer a promising platform for physical implementation of qubits, but their broad adoption is presently hindered by limited scalability and/or very low operating tem…

cond-mat.mtrl-sci2021★ 53 cited

Real-time exciton dynamics with time-dependent density-functional theory

Jiuyu Sun, Cheng-Wei Lee, Alina Kononov +2

Linear-response time-dependent density-functional theory (TDDFT) can describe excitonic features in the optical spectra of insulators and semiconductors, using exchange-correlation…

cond-mat.mtrl-sci2020★ 61 cited

Multi-scale simulations of electron and ion dynamics in self-irradiated silicon

Cheng-Wei Lee, James A. Stewart, Stephen M. Foiles +2

The interaction of energetic ions with the electronic and ionic system of target materials is an interesting but challenging multi-scale problem and understanding of the early stag…

cond-mat.mtrl-sci2018★ 25 cited

Hot-electron mediated ion diffusion in proton-irradiated magnesium oxide

Cheng-Wei Lee, André Schleife

Highly energetic ions that impact materials have applications from semiconductor industry to medicine, and are fundamentally interesting as they trigger multi-length and time-scale…

cond-mat.mtrl-sci2018★ 17 cited

Electronic stopping and proton dynamics in InP, GaP, and InGaP from first principles

Cheng-Wei Lee, André Schleife

The phosphide-based III-V semiconductors InP, GaP, and InGaP are promising materials for solar panels in outer space and radioisotope batteries, for which lifetime…