Novel dilute bismide, epitaxy, physical properties and device application

L Wang, L Zhang, L Yue, D Liang, X Chen, Y Li, P Lu… - Crystals, 2017 - mdpi.com
Dilute bismide in which a small amount of bismuth is incorporated to host III-Vs is the least
studied III-V compound semiconductor and has received steadily increasing attention since …

GaAsBi: from molecular beam epitaxy growth to devices

RD Richards, NJ Bailey, Y Liu… - … status solidi (b), 2022 - Wiley Online Library
GaAsBi has been researched as a candidate material for optoelectronic devices for around
two decades. Bi‐induced localized states induce a rapid rising of the valence band edge …

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 …

The electronic band structure of GaBiAs/GaAs layers: Influence of strain and band anti-crossing

Z Batool, K Hild, TJC Hosea, X Lu, T Tiedje… - Journal of Applied …, 2012 - pubs.aip.org
The GaBi x As 1− x bismide III-V semiconductor system remains a relatively underexplored
alloy particularly with regards to its detailed electronic band structure. Of particular …

Electron hall mobility in GaAsBi

RN Kini, L Bhusal, AJ Ptak, R France… - journal of applied …, 2009 - pubs.aip.org
We present measurements of the electron Hall mobility in n-type GaAs 1− x Bi x epilayers.
We observed no significant degradation in the electron mobility with Bi incorporation in …

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 …

Localization effects and band gap of GaAsBi alloys

AR Mohmad, F Bastiman, CJ Hunter… - … status solidi (b), 2014 - Wiley Online Library
The structural and optical properties of GaAs1− xBix alloys for x up to 0.108 have been
investigated by high resolution X‐ray diffraction and photoluminescence (PL). At room …

Effect of Bi alloying on the hole transport in the dilute bismide alloy GaAsBi

RN Kini, AJ Ptak, B Fluegel, R France, RC Reedy… - Physical Review B …, 2011 - APS
We studied the effect of Bi incorporation on the hole mobility in the dilute bismide alloy GaAs
1-x Bi x using electrical transport (Hall) and photoluminescence (PL) techniques. Our …

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 …

Experimental and theoretical studies of band gap alignment in GaAs1− xBix/GaAs quantum wells

R Kudrawiec, J Kopaczek, MP Polak… - Journal of Applied …, 2014 - pubs.aip.org
Band gap alignment in GaAs 1− x Bi x/GaAs quantum wells (QWs) was studied
experimentally by photoreflectance (PR) and theoretically, ab initio, within the density …