Valence-band anticrossing in mismatched III-V semiconductor alloys

K Alberi, J Wu, W Walukiewicz, KM Yu, OD Dubon… - Physical Review B …, 2007 - APS
We show that the band gap bowing trends observed in III-V alloys containing dilute
concentrations of Sb or Bi can be explained within the framework of the valence-band …

Tight-binding analysis of the electronic structure of dilute bismide alloys of GaP and GaAs

M Usman, CA Broderick, A Lindsay, EP O'Reilly - Physical Review B …, 2011 - APS
We develop an atomistic, nearest-neighbor sp 3 s* tight-binding Hamiltonian to investigate
the electronic structure of dilute bismide alloys of GaP and GaAs. Using this model, we …

Growth and properties of the dilute bismide semiconductor GaAs1− xBix a complementary alloy to the dilute nitrides

T Tiedje, EC Young… - International Journal of …, 2008 - inderscienceonline.com
In this review we describe the growth and properties of the dilute bismide semiconductor
alloy GaAs1− xBix and show how its properties are in certain respects complementary to the …

Bismide-nitride alloys: Promising for efficient light emitting devices in the near-and mid-infrared

SJ Sweeney, SR Jin - Journal of applied physics, 2013 - pubs.aip.org
GaAsBiN is a potentially interesting alloy which may be exploited in near-and mid-infrared
photonic devices. Here we present the predicted band parameters such as band gap (E g) …

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 …

Electron mobility in dilute GaAs bismide and nitride alloys measured by time-resolved terahertz spectroscopy

DG Cooke, FA Hegmann, EC Young, T Tiedje - Applied physics letters, 2006 - pubs.aip.org
We report time-resolved terahertz spectroscopy measurements of the electronic transport
properties of dilute GaAs bismide and nitride alloys. The electron mobility for Ga As 1− y Bi y …

Impact of alloy disorder on the band structure of compressively strained GaBiAs

M Usman, CA Broderick, Z Batool, K Hild… - Physical Review B …, 2013 - APS
The incorporation of bismuth (Bi) in GaAs results in a large reduction of the band gap energy
(E g) accompanied with a large increase in the spin-orbit splitting energy (△ SO), leading to …

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 …

Demonstration of a 4.32 μm cutoff InAsSbBi nBn photodetector, a lattice-matched random alloy III–V solution for mid-wave infrared sensing

PT Webster, JV Logan, L Helms, PC Grant… - Applied Physics …, 2023 - pubs.aip.org
InAsSbBi nBn photodetectors are demonstrated that are lattice-matched to the underlying
GaSb substrate with a 4.32 μm wavelength cutoff at 150 K that is 0.3 μm longer than that of …

High‐efficiency GaInP/GaAs/GaInNAs solar cells grown by combined MBE‐MOCVD technique

A Tukiainen, A Aho, G Gori, V Polojärvi… - Progress in …, 2016 - Wiley Online Library
Abstract Triple‐junction GaInP/GaAs/GaInNAs solar cells with conversion efficiency of~ 29%
at AM0 are demonstrated using a combination of molecular beam epitaxy (MBE) and metal …