Trends in the electronic structure of dilute nitride alloys

EP O'Reilly, A Lindsay, PJ Klar… - Semiconductor …, 2009 - iopscience.iop.org
The band-anticrossing (BAC) model has been widely applied to analyse the electronic
structure of dilute nitride III-VN alloys such as GaN x As 1− x. The BAC model describes the …

Band engineering in dilute nitride and bismide semiconductor lasers

CA Broderick, M Usman, SJ Sweeney… - Semiconductor …, 2012 - iopscience.iop.org
Highly mismatched semiconductor alloys such as GaN x As 1− x and GaBi x As 1− x have
several novel electronic properties, including a rapid reduction in energy gap with …

Progress toward III–V bismide alloys for near-and midinfrared laser diodes

IP Marko, SJ Sweeney - IEEE Journal of Selected Topics in …, 2017 - ieeexplore.ieee.org
Bismuth-containing III-V alloys open-up a range of possibilities for practical applications in
semiconductor lasers, photovoltaics, spintronics, photodiodes, and thermoelectrics. Of …

Optical gain in GaAsBi/GaAs quantum well diode lasers

IP Marko, CA Broderick, S Jin, P Ludewig, W Stolz… - Scientific reports, 2016 - nature.com
Abstract Electrically pumped GaAsBi/GaAs quantum well lasers are a promising new class
of near-infrared devices where, by use of the unusual band structure properties of GaAsBi …

Active Region Design for High-Speed 850-nm VCSELs

SB Healy, EP O'Reilly, JS Gustavsson… - IEEE Journal of …, 2010 - ieeexplore.ieee.org
Higher speed short-wavelength (850 nm) VCSELs are required for future high-capacity,
short-reach data communication links. The modulation bandwidth of such devices is …

Derivation of 12-and 14-band k· p Hamiltonians for dilute bismide and bismide-nitride semiconductors

CA Broderick, M Usman… - … science and technology, 2013 - iopscience.iop.org
Using an sp 3 s* tight-binding (TB) model we demonstrate how the observed strong bowing
of the band gap and spin-orbit-splitting with increasing Bi composition in the dilute bismide …

Electronic Band Structure of Highly Mismatched Alloys: Suitability for Intermediate-Band Solar Cells

R Kudrawiec, AV Luce, M Gladysiewicz, M Ting… - Physical Review …, 2014 - APS
Formation of an intermediate band in GaN x P 0.4 As 0.6− x alloys due to the isovalent
doping by nitrogen is studied by photoreflectance and absorption spectroscopy. The …

Influence of conduction-band nonparabolicity on electron confinement and effective mass in quantum wells

S Tomić, EP O'Reilly, PJ Klar, H Grüning… - Physical Review B …, 2004 - APS
We derive an analytical model to describe the conduction-band states of GaNAs-based
quantum well structures, including the band anticrossing effect between N resonant states …

Parallel multi-band k· p code for electronic structure of zinc blend semiconductor quantum dots

S Tomić, AG Sunderland, IJ Bush - Journal of Materials Chemistry, 2006 - pubs.rsc.org
We present a parallel implementation of the multi-bank k· p code () for calculation of the
electronic structure and optical properties of zinc blend structure semiconductor quantum …

8-band and 14-band kp modeling of electronic band structure and material gain in Ga (In) AsBi quantum wells grown on GaAs and InP substrates

M Gladysiewicz, R Kudrawiec, MS Wartak - Journal of Applied Physics, 2015 - pubs.aip.org
The electronic band structure and material gain have been calculated for GaAsBi/GaAs
quantum wells (QWs) with various bismuth concentrations (Bi≤ 15%) within the 8-band and …