Computationally predicted energies and properties of defects in GaN

JL Lyons, CG Van de Walle - npj Computational Materials, 2017 - nature.com
Recent developments in theoretical techniques have significantly improved the predictive
power of density-functional-based calculations. In this review, we discuss how such …

Understanding do** of quantum materials

A Zunger, OI Malyi - Chemical reviews, 2021 - ACS Publications
Do** mobile carriers into ordinary semiconductors such as Si, GaAs, and ZnO was the
enabling step in the electronic and optoelectronic revolutions. The recent emergence of a …

QMCPACK: an open source ab initio quantum Monte Carlo package for the electronic structure of atoms, molecules and solids

J Kim, AD Baczewski, TD Beaudet… - Journal of Physics …, 2018 - iopscience.iop.org
QMCPACK is an open source quantum Monte Carlo package for ab initio electronic
structure calculations. It supports calculations of metallic and insulating solids, molecules …

Design and exploration of semiconductors from first principles: A review of recent advances

F Oba, Y Kumagai - Applied Physics Express, 2018 - iopscience.iop.org
Recent first-principles approaches to semiconductors are reviewed, with an emphasis on
theoretical insight into emerging materials and in silico exploration of as-yet-unreported …

Benchmarks and reliable DFT results for spin gaps of small ligand Fe (II) complexes

S Song, MC Kim, E Sim, A Benali… - Journal of chemical …, 2018 - ACS Publications
All-electron fixed-node diffusion Monte Carlo provides benchmark spin gaps for four Fe (II)
octahedral complexes. Standard quantum chemical methods (semilocal DFT and CCSD (T)) …

Accuracy of dielectric-dependent hybrid functionals in the prediction of optoelectronic properties of metal oxide semiconductors: a comprehensive comparison with …

M Gerosa, CE Bottani, C Di Valentin… - Journal of Physics …, 2018 - iopscience.iop.org
Understanding the electronic structure of metal oxide semiconductors is crucial to their
numerous technological applications, such as photoelectrochemical water splitting and solar …

Systematic DFT+U and Quantum Monte Carlo Benchmark of Magnetic Two-Dimensional (2D) CrX3 (X = I, Br, Cl, F)

D Wines, K Choudhary, F Tavazza - The Journal of Physical …, 2023 - ACS Publications
The search for two-dimensional (2D) magnetic materials has attracted a great deal of
attention because of the experimental synthesis of 2D CrI3, which has a measured Curie …

Phase stability of TiO2 polymorphs from diffusion Quantum Monte Carlo

Y Luo, A Benali, L Shulenburger, JT Krogel… - New Journal of …, 2016 - iopscience.iop.org
Titanium dioxide, TiO 2, has multiple applications in catalysis, energy conversion and
memristive devices because of its electronic structure. Most of these applications utilize the …

Discovering correlated fermions using quantum Monte Carlo

LK Wagner, DM Ceperley - Reports on Progress in Physics, 2016 - iopscience.iop.org
It has become increasingly feasible to use quantum Monte Carlo (QMC) methods to study
correlated fermion systems for realistic Hamiltonians. We give a summary of these …

[HTML][HTML] General embedded cluster protocol for accurate modeling of oxygen vacancies in metal-oxides

BX Shi, V Kapil, A Zen, J Chen, A Alavi… - The Journal of …, 2022 - pubs.aip.org
The O vacancy (Ov) formation energy, E Ov, is an important property of a metal-oxide,
governing its performance in applications such as fuel cells or heterogeneous catalysis …