85 citations · 170 across the 6 of their papers we have counts for
6 papers
Quantitative Modeling of Point Defects in -Ga2O3 Combining Hybrid Functional Energetics with Semiconductor and Processes Thermodynamics
Khandakar Aaditta Arnab, Megan Stephens, Isaac Maxfield +5
B-gallium oxide (B-Ga2O3) is of high interest for power electronics because of its unique combination of melt growth, epitaxial growth, n-type dopability, ultrawide bandgap, and hi…
Light absorption and emission by defects in doped nickel oxide
Robert Karsthof, Ymir Kalmann Frodason, Augustinas Galeckas +3
Nickel oxide is a versatile p-type semiconducting oxide with many applications in opto-electronic devices, but high doping concentrations are often required to achieve necessary el…
Depth, relaxation and temperature dependence of defect complexes in scanning transmission electron microscopy
Thomas Aarholt, Ymir Frodason, Øystein Prytz
We propose a new analysis approach for scanning transmission electron microscopy (STEM) based on the Voronoi-cell integration method to determine the three-dimensional position of…
Negative-U and polaronic behavior of the Zn-O divacancy in ZnO
Y. K. Frodason, K. M. Johansen, A. Alkauskas +1
Hybrid functional calculations reveal the Zn-O divacancy in ZnO, consisting of adjacent Zn and O vacancies, as an electrically active defect exhibiting charge states ranging from $…
Zn vacancy-donor impurity complexes in ZnO
Y. K. Frodason, K. M. Johansen, T. S. Bjørheim +2
Results from hybrid density functional theory calculations on the thermodynamic stability and optical properties of the Zn vacancy () complexed with common donor imp…
Zn vacancy as a polaronic hole trap in ZnO
Y. K. Frodason, K. M. Johansen, T. S. Bjørheim +2
This work explores the Zn vacancy in ZnO using hybrid density functional theory calculations. The Zn vacancy is predicted to be an exceedingly deep polaronic acceptor that can bind…