Deep-level defects in gallium oxide

Z Wang, X Chen, FF Ren, S Gu… - Journal of Physics D …, 2020 - iopscience.iop.org
As an ultrawide bandgap semiconductor, gallium oxide (Ga 2 O 3) has superior physical
properties and has been an emerging candidate in the applications of power electronics and …

[HTML][HTML] Iron and intrinsic deep level states in Ga2O3

ME Ingebrigtsen, JB Varley, AY Kuznetsov… - Applied Physics …, 2018 - pubs.aip.org
Using a combination of deep level transient spectroscopy, secondary ion mass
spectrometry, proton irradiation, and hybrid functional calculations, we identify two similar …

Electron–phonon coupling from finite differences

B Monserrat - Journal of Physics: Condensed Matter, 2018 - iopscience.iop.org
The interaction between electrons and phonons underlies multiple phenomena in physics,
chemistry, and materials science. Examples include superconductivity, electronic transport …

Defect tolerance in halide perovskites: A first-principles perspective

X Zhang, ME Turiansky, JX Shen… - Journal of Applied …, 2022 - pubs.aip.org
In recent years, the impressive photovoltaic performance of halide perovskites has been
commonly attributed to their defect tolerance. This attribution is seemingly intuitive and has …

[HTML][HTML] Deep level defect states in β-, α-, and ɛ-Ga2O3 crystals and films: Impact on device performance

AY Polyakov, VI Nikolaev, EB Yakimov, F Ren… - Journal of Vacuum …, 2022 - pubs.aip.org
A review is given of reported trap states in the bandgaps of different polymorphs of the
emerging ultrawide bandgap semiconductor Ga 2 O 3. The commonly observed defect …

A first-principles understanding of point defects and impurities in GaN

JL Lyons, D Wickramaratne… - Journal of Applied …, 2021 - pubs.aip.org
Attaining control over the electrical conductivity of gallium nitride through impurity do** is
one of the foremost achievements in semiconductor science. Yet, unwanted contaminants …

Nonrad: Computing nonradiative capture coefficients from first principles

ME Turiansky, A Alkauskas, M Engel, G Kresse… - Computer Physics …, 2021 - Elsevier
Point defects in semiconductor crystals provide a means for carriers to recombine
nonradiatively. This recombination process impacts the performance of devices. We present …

[HTML][HTML] GaN surface as the source of non-radiative defects in InGaN/GaN quantum wells

C Haller, JF Carlin, G Jacopin, W Liu, D Martin… - Applied Physics …, 2018 - pubs.aip.org
Blue light-emitting diodes based on III-nitride semiconductors are nowadays widely used for
solid-state lighting. They exhibit impressive figures of merit like an internal quantum …

Quantum embedding methods for correlated excited states of point defects: Case studies and challenges

L Muechler, DI Badrtdinov, A Hampel, J Cano… - Physical Review B, 2022 - APS
A quantitative description of the excited electronic states of point defects and impurities is
crucial for understanding materials properties, and possible applications of defects in …

Compensation and persistent photocapacitance in homoepitaxial Sn-doped β-Ga2O3

AY Polyakov, NB Smirnov, IV Shchemerov… - Journal of Applied …, 2018 - pubs.aip.org
The electrical properties of epitaxial β-Ga 2 O 3 doped with Sn (10 16–9× 10 18 cm− 3) and
grown by metalorganic chemical vapor deposition on semi-insulating β-Ga 2 O 3 substrates …