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 …

Disorder and the Urbach edge in dilute bismide GaAsBi

C Gogineni, NA Riordan, SR Johnson, X Lu… - Applied Physics …, 2013 - pubs.aip.org
The characteristic emission from tail states below the bandgap of GaAsBi/GaAs quantum
wells is studied using photoluminescence spectroscopy over a 10–300 K temperature range …

Effects of Bi incorporation on the electronic properties of GaAs: Carrier masses, hole mobility, and Bi‐induced acceptor states

G Pettinari, A Polimeni, M Capizzi… - … status solidi (b), 2013 - Wiley Online Library
The puzzling electronic and transport properties of the Ga (AsBi) alloy are investigated for a
wide range of Bi‐concentrations (x= 0–10.6%) by means of various experimental techniques …

High hole mobility in GaAs1-xBix alloys

K Kado, T Fuyuki, K Yamada, K Oe… - Japanese Journal of …, 2012 - iopscience.iop.org
A hole mobility of∼ 200 cm 2 V-1 s-1 was demonstrated for GaAs 1-x Bi x (x≤ 4%). This
value is comparable to that of GaAs with the same hole concentration. The hole mobility of …

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 …

Bismuth incorporation in GaAs1–xBix grown by molecular beam epitaxy with in‐situ light scattering

EC Young, MB Whitwick, T Tiedje… - physica status solidi …, 2007 - Wiley Online Library
The dilute bismide semiconductor GaAs1–xBix is an interesting new semiconductor alloy
with novel properties and potential device applications. Like the dilute nitride alloy GaAs1 …

Bi-induced p-type conductivity in nominally undoped Ga (AsBi)

G Pettinari, A Patanè, A Polimeni, M Capizzi… - Applied Physics …, 2012 - pubs.aip.org
We report p-type conductivity in nominally undoped GaAs 1–x Bi x epilayers for a wide
range of Bi-concentrations (0.6%≤ x≤ 10.6%). The counterintuitive increase of the …

Bismuth concentration inhomogeneity in GaAsBi bulk and quantum well structures

AR Mohmad, F Bastiman, CJ Hunter… - Semiconductor …, 2015 - iopscience.iop.org
The optical and structural properties of GaAsBi bulk and quantum well (QW) samples grown
under various conditions were studied by photoluminescence (PL), high resolution x-ray …

Deep levels and carrier capture kinetics in n-GaAsBi alloys investigated by deep level transient spectroscopy

M Fregolent, M Buffolo, C De Santi… - Journal of Physics D …, 2021 - iopscience.iop.org
Abstract Dilute bismides (% Bi∼ 1%–3%) are excellent candidates for the fabrication of
optoelectronic devices, thanks to the strong reduction in the bandgap with increasing …

Compositional evolution of Bi-induced acceptor states in GaAsBi alloy

G Pettinari, H Engelkamp, PCM Christianen… - Physical Review B …, 2011 - APS
Far-infrared absorption measurements have been performed in nominally undoped GaAs 1-
x Bi x (0.6%⩽ x⩽ 10.6%) for magnetic field up to 30 T. For 0.6%⩽ x⩽ 4.5%, the Lyman series …