GGA+ U studies of the early actinide mononitrides and dinitrides

KO Obodo, N Chetty - Journal of nuclear materials, 2013 - Elsevier
We present a detailed comparative study of the electronic and mechanical properties of the
early actinide mononitrides and dinitrides within the framework of the Perdew–Burke …

First-principles phase stability, bonding, and electronic structure of actinide metals

P Söderlind - Journal of Electron Spectroscopy and Related …, 2014 - Elsevier
The actinide elemental metals are scare, often toxic and radio active, causing challenges for
both experiments and theory while offering fascinating physics. For practical purposes they …

First principles LDA+ U and GGA+ U study of protactinium and protactinium oxides: dependence on the effective U parameter

KO Obodo, N Chetty - Journal of Physics: Condensed Matter, 2013 - iopscience.iop.org
The electronic structure and properties of protactinium and its oxides (PaO and PaO 2) have
been studied within the framework of the local density approximation (LDA), the Perdew …

Plasma-assisted vapor liquid phase epitaxial growth of dilute and alloys: Confirmation of band gap reduction discontinuity

SJ Calero-Barney, AN Andriotis, M Menon, M Sunkara - Physical Review B, 2022 - APS
Single crystal quality films of dilute Ga Sb x N 1− x and Ga Bi y N 1− y alloys were
synthesized through a plasma-assisted vapor liquid phase epitaxy technique in which …

Pressure-induced changes in the electronic structure of americium metal

P Söderlind, KT Moore, A Landa, B Sadigh… - Physical Review B …, 2011 - APS
We have conducted electronic-structure calculations for Am metal under pressure to
investigate the behavior of the 5 f-electron states. Density-functional theory (DFT) does not …

Band alignment and optical absorption in Ga (Sb) N alloys

AN Andriotis, RM Sheetz, E Richter… - Journal of Physics …, 2014 - iopscience.iop.org
We extend the theory of band alignment proposed by Harrison to ternary and quaternary
heteropolar semiconductors. Combining this with first-principles density functional theory …

Theoretical investigation of pressure-induced structural transitions in americium using and hybrid density functional theory methods

AK Verma, P Modak, SM Sharma, A Svane… - Physical Review B …, 2013 - APS
First-principles calculations have been performed for americium (Am) metal using the
generalized gradient approximation+ orbital-dependent onsite Coulomb repulsion via …

ELEMENTAL AND MIXED ACTINIDE DIOXIDES: AN AB INITIO STUDY

L Ma, R Atta-Fynn, AK Ray - Journal of Theoretical and …, 2012 - World Scientific
We present a systematic study of the electronic, geometric, and magnetic properties of the
actinide dioxides, UO2, PuO2, AmO2, U0. 5Pu0. 5O2, U0. 5Am0. 5O2 and Pu0. 5Am0. 5O2 …

On the magnetic and thermodynamic properties of Americium-II: A hybrid density functional theoretic study

J Wang, L Ma, AK Ray - Physics Letters A, 2010 - Elsevier
The ground states of the actinides have been matters of considerable controversies, theory
often contradicting experiment specifically in regards to the magnetic nature. To resolve this …

An ab initio study of PuO2±0.25, UO2±0.25, and U0.5Pu0.5O2±0.25

L Ma, AK Ray - The European Physical Journal B, 2011 - Springer
Hybrid density functional theory has been used to systematically study the electronic,
geometric, and magnetic properties of strongly correlated materials PuO 2±x, UO 2±x, and U …