Imperfections are not 0 K: free energy of point defects in crystals

I Mosquera-Lois, SR Kavanagh, J Klarbring… - Chemical Society …, 2023 - pubs.rsc.org
Defects determine many important properties and applications of materials, ranging from
doping in semiconductors, to conductivity in mixed ionic–electronic conductors used in …

Defects and aliovalent doping engineering in electroceramics

Y Feng, J Wu, Q Chi, W Li, Y Yu, W Fei - Chemical reviews, 2020 - ACS Publications
Since the positive influences of defects on the performance of electroceramics were
discovered, investigations concerning on defects and aliovalent doping routes have grown …

Physics of SrTiO3-based heterostructures and nanostructures: a review

YY Pai, A Tylan-Tyler, P Irvin… - Reports on Progress in …, 2018 - iopscience.iop.org
This review provides a summary of the rich physics expressed within SrTiO 3-based
heterostructures and nanostructures. The intended audience is researchers who are …

Electrostatics-based finite-size corrections for first-principles point defect calculations

Y Kumagai, F Oba - Physical Review B, 2014 - APS
Finite-size corrections for charged defect supercell calculations typically consist of image-
charge and potential alignment corrections. Regarding the image-charge correction …

Band alignment of semiconductors from density-functional theory and many-body perturbation theory

Y Hinuma, A Grüneis, G Kresse, F Oba - Physical Review B, 2014 - APS
The band lineup, or alignment, of semiconductors is investigated via first-principles
calculations based on density functional theory (DFT) and many-body perturbation theory …

Vacancies and small polarons in

A Janotti, JB Varley, M Choi, CG Van de Walle - Physical Review B, 2014 - APS
Using first-principles calculations we investigate the impact of intrinsic defects and small
polarons on the electrical and optical properties of SrTiO 3. We pay special attention to the …

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 …

Understanding and controlling the work function of perovskite oxides using density functional theory

R Jacobs, J Booske, D Morgan - Advanced Functional …, 2016 - Wiley Online Library
Perovskite oxides containing transition metals are promising materials in a wide range of
electronic and electrochemical applications. However, neither their work function values nor …

Self-consistent study of oxygen vacancies in

C Ricca, I Timrov, M Cococcioni, N Marzari… - Physical review …, 2020 - APS
Contradictory theoretical results for oxygen vacancies in SrTiO 3 (STO) were often related to
the peculiar properties of STO, which is ad 0 transition metal oxide with mixed ionic-covalent …

Insights into oxygen vacancies from high-throughput first-principles calculations

Y Kumagai, N Tsunoda, A Takahashi, F Oba - Physical Review Materials, 2021 - APS
Oxygen vacancies play significant roles in various properties of oxide materials. Therefore,
insights into the oxygen vacancies can facilitate the discovery of better oxide materials. To …