activity
20202025
most citedBand gaps of crystalline solids from Wannier-localization based optimal tuning of a screened range-separated hybrid functional

114 citations · 178 across the 7 of their papers we have counts for

collaborators

7 papers

cond-mat.mtrl-sci2025

Automated Workflow for Non-Empirical Wannier-Localized Optimal Tuning of Range-Separated Hybrid Functionals

Stephen E. Gant, Francesco Ricci, Guy Ohad +3

We introduce an automated workflow for generating non-empirical Wannier-localized optimally-tuned screened range-separated hybrid (WOT-SRSH) functionals. WOT-SRSH functionals have…

cond-mat.mtrl-sci2025

Accurate Point Defect Energy Levels from Non-Empirical Screened Range-Separated Hybrid Functionals: the Case of Native Vacancies in ZnO

Sijia Ke, Stephen E. Gant, Leeor Kronik +1

We use density functional theory (DFT) with non-empirically tuned screened range-separated hybrid (SRSH) functionals to calculate the electronic properties of native zinc and oxyge…

cond-mat.mtrl-sci2025

Ultrafast Spontaneous Exciton Dissociation via Phonon Emission in BiVO

Stephen E. Gant, Antonios M. Alvertis, Christopher J. N. Coveney +3

Monoclinic bismuth vanadate (m-BiVO) is a promising indirect band gap semiconductor for photoelectrochemical water splitting, yet the characteristics of its low-lying photoexci…

cond-mat.mtrl-sci2024

Electronic and Optical Excitations in van der Waals Materials from a Non-Empirical Wannier-Localized Optimally-Tuned Screened Range-Separated Hybrid Functional

María Camarasa-Gómez, Stephen E. Gant, Guy Ohad +3

Accurate prediction of electronic and optical excitations in van der Waals (vdW) materials is a long-standing challenge for density functional theory. The recently proposed Wannier…

cond-mat.mtrl-sci2023★ 23 cited

Optical absorption spectra of metal oxides from time-dependent density functional theory and many-body perturbation theory based on optimally-tuned hybrid functionals

Guy Ohad, Stephen E. Gant, Dahvyd Wing +6

Using both time-dependent density functional theory (TDDFT) and the ``single-shot" plus Bethe-Salpeter equation (-BSE) approach, we compute optical band gaps and optical a…

cond-mat.mtrl-sci2022★ 41 cited

An Optimally-Tuned Starting Point for Single-Shot Calculations of Solids

Stephen E. Gant, Jonah B. Haber, Marina R. Filip +5

The dependence of ab initio many-body perturbation theory within the approximation on the eigensystem used in calculating quasiparticle corrections limits this method's predic…

cond-mat.mtrl-sci2020★ 114 cited

Band gaps of crystalline solids from Wannier-localization based optimal tuning of a screened range-separated hybrid functional

Dahvyd Wing, Guy Ohad, Jonah B. Haber +4

Accurate prediction of fundamental band gaps of crystalline solid state systems entirely within density functional theory is a long standing challenge. Here, we present a simple an…