When group-III nitrides go infrared: New properties and perspectives

J Wu - Journal of applied physics, 2009 - pubs.aip.org
Wide-band-gap GaN and Ga-rich InGaN alloys, with energy gaps covering the blue and
near-ultraviolet parts of the electromagnetic spectrum, are one group of the dominant …

Efficient band gap prediction for solids

MKY Chan, G Ceder - Physical review letters, 2010 - APS
An efficient method for the prediction of fundamental band gaps in solids using density
functional theory (DFT) is proposed. Generalizing the Delta self-consistent-field (Δ SCF) …

[HTML][HTML] Understanding density functional theory (DFT) and completing it in practice

D Bagayoko - AIP Advances, 2014 - pubs.aip.org
We review some salient points in the derivation of density functional theory (DFT) and of the
local density approximation (LDA) of it. We then articulate an understanding of DFT and LDA …

Band structures and optical spectra of InN polymorphs: Influence of quasiparticle and excitonic effects

J Furthmüller, PH Hahn, F Fuchs, F Bechstedt - Physical Review B …, 2005 - APS
We present ab initio calculations of the electronic structure and the optical properties of InN
crystallizing in wurtzite, zinc-blende, and rocksalt structures. They are based on well …

Ab-initio electronic and structural properties of rutile titanium dioxide

CE Ekuma, D Bagayoko - Japanese Journal of Applied Physics, 2011 - iopscience.iop.org
Ab-initio, self-consistent electronic energy bands of rutile TiO 2 are reported within the local
density functional approximation (LDA). Our first principle, non-relativistic and ground state …

Molecular beam epitaxy of phase pure cubic InN

J Schörmann, DJ As, K Lischka, P Schley… - Applied Physics …, 2006 - pubs.aip.org
Cubic InN layers were grown by plasma assisted molecular beam epitaxy on 3 C-Si C (001)
substrates at growth temperatures from 419 to 490 C⁠. X-ray diffraction investigations show …

[HTML][HTML] First principle electronic, structural, elastic, and optical properties of strontium titanate

CE Ekuma, M Jarrell, J Moreno, D Bagayoko - AIP advances, 2012 - pubs.aip.org
We report self-consistent ab-initio electronic, structural, elastic, and optical properties of
cubic SrTiO 3 perovskite. Our non-relativistic calculations employed a generalized gradient …

Density functional theory description of electronic properties of wurtzite zinc oxide

L Franklin, CE Ekuma, GL Zhao, D Bagayoko - Journal of Physics and …, 2013 - Elsevier
We report calculated, electronic properties of wurtzite zinc oxide (w-ZnO). We solved self-
consistently the two inherently coupled equations of density functional theory (DFT) …

[HTML][HTML] Calculated electronic, transport, and related properties of zinc blende boron arsenide (zb-BAs)

IH Nwigboji, Y Malozovsky, L Franklin… - Journal of Applied …, 2016 - pubs.aip.org
We present the results from ab-initio, self-consistent density functional theory (DFT)
calculations of electronic, transport, and bulk properties of zinc blende boron arsenide. We …

Density-functional theory band gap of wurtzite InN

D Bagayoko, L Franklin - Journal of applied physics, 2005 - pubs.aip.org
We report the calculated band gap of wurtzite indium nitride. Our ab initio computations
employed a local-density approximation (LDA) potential and the linear combination of …