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 …

Multiphase TiO 2 nanostructures: A review of efficient synthesis, growth mechanism, probing capabilities, and applications in bio-safety and health

R Verma, J Gangwar, AK Srivastava - RSC advances, 2017 - pubs.rsc.org
This review article provides an exhaustive overview of the efficient synthesis, growth
mechanism and research activities that mainly concern an assortment of multiphase TiO2 …

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 …

Phase dependent thermal and spectroscopic responses of Al 2 O 3 nanostructures with different morphogenesis

J Gangwar, BK Gupta, SK Tripathi, AK Srivastava - Nanoscale, 2015 - pubs.rsc.org
In this review, we discuss new developments and recent trends in both amorphous and
crystalline Al2O3 oxide nanofluids related to their phase dependent characteristics in detail …

Optical properties of neutral F centers in bulk MgO with density matrix embedding

S Verma, A Mitra, Y Jin, S Haldar… - The Journal of …, 2023 - ACS Publications
The optical spectra of neutral oxygen vacancies (F0 centers) in the bulk MgO lattice are
investigated using density matrix embedding theory. The impurity Hamiltonian is solved with …

On the Structure of Oxygen Deficient Amorphous Oxide Films

J Strand, AL Shluger - Advanced Science, 2024 - Wiley Online Library
Understanding defects in amorphous oxide films and heterostructures is vital to improving
performance of microelectronic devices, thin‐film transistors, and electrocatalysis. However …

[HTML][HTML] A periodic equation-of-motion coupled-cluster implementation applied to F-centers in alkaline earth oxides

A Gallo, F Hummel, A Irmler, A Grüneis - The Journal of Chemical …, 2021 - pubs.aip.org
We present an implementation of the equation of motion coupled-cluster singles and
doubles (EOM-CCSD) theory using periodic boundary conditions and a plane wave basis …

Identifying native point defect configurations in α-alumina

A Kononov, CW Lee, EP Shapera… - Journal of Physics …, 2023 - iopscience.iop.org
Intimately intertwined atomic and electronic structures of point defects govern diffusion-
limited corrosion and underpin the operation of optoelectronic devices. For some materials …

Benchmarking fundamental gap of Sc2C (OH) 2 MXene by many-body methods

M Dubecký, S Minárik, F Karlický - The Journal of Chemical Physics, 2023 - pubs.aip.org
Sc 2 C (OH) 2 is a prototypical non-magnetic member of MXenes, a promising transition-
metal-based 2D material family, with a direct bandgap. We provide here a benchmark of its …

[HTML][HTML] Fundamental gap of fluorographene by many-body GW and fixed-node diffusion Monte Carlo methods

M Dubecký, F Karlický, S Minárik, L Mitas - The Journal of Chemical …, 2020 - pubs.aip.org
Fluorographene (FG) is a promising graphene-derived material with a large bandgap.
Currently existing predictions of its fundamental gap (Δ f) and optical gap (Δ opt) significantly …