Development of bulk InAsSb alloys and barrier heterostructures for long-wave infrared detectors

Y Lin, D Donetsky, D Wang, D Westerfeld… - Journal of Electronic …, 2015 - Springer
Bulk unrelaxed InAsSb alloys with Sb compositions up to 65% were grown on
compositionally graded GaInSb and AlInSb buffers on GaSb substrates by molecular beam …

InAsSb-based photodetectors

EH Steenbergen - Mid-infrared Optoelectronics, 2020 - Elsevier
InAs 1–x Sb x has the smallest bandgap of conventional III-V ternary alloys and thus has
been of scientific interest for mid-wavelength (MWIR, 3–5 μm) and long-wavelength (8–12 …

[HTML][HTML] Bulk InAsSb with 0.1 eV bandgap on GaAs

WL Sarney, SP Svensson, Y Xu, D Donetsky… - Journal of Applied …, 2017 - pubs.aip.org
We report on the growth of near-minimum bandgap (0.1 eV) bulk InAs 0.54 Sb 0.46 on GaAs
with pronounced photoluminescence. Combining strain-mediating techniques effectively …

Characterization of n-Type and p-Type Long-Wave InAs/InAsSb Superlattices

AE Brown, N Baril, D Zuo, LA Almeida, J Arias… - Journal of Electronic …, 2017 - Springer
The influence of dopant concentration on both in-plane mobility and minority carrier lifetime
in long-wave infrared InAs/InAsSb superlattices (SLs) was investigated. Unintentially doped …

Review of virtual substrate technologies for 6.3 Ångström lattice constants

SP Svensson, NA Mahadik, G Kipshidze… - Journal of Vacuum …, 2023 - pubs.aip.org
Virtual substrates with lattice constants in the range mid-way between InAs and InSb have
been developed using molecular beam epitaxy (MBE). The III–V alloys in this range are of …

[HTML][HTML] Temperature dependent Hall effect in InAsSb with a 0.11 eV 77 K-bandgap

SP Svensson, WA Beck, WL Sarney… - Applied Physics …, 2019 - pubs.aip.org
InAsSb is the only direct-bandgap III–V compound semiconductor alloy that absorbs and
emits light over the entire long-wavelength infrared band (8–12 micron). We measured its …

Lattice parameter engineering for III–V long wave infrared photonics

G Belenky, Y Lin, L Shterengas, D Donetsky… - Electronics …, 2015 - Wiley Online Library
The design and fabrication of metamorphic periodic heterostructures containing InAsSb
layers with controllable modulated Sb composition and well‐regulated band alignments are …

Sb-incorporation in MBE-grown metamorphic InAsSb for long-wavelength infrared applications

S Tomasulo, CA Affouda, NA Mahadik… - Journal of Vacuum …, 2018 - pubs.aip.org
InAs 1-x Sb x is a unique semiconductor as it possesses the lowest bandgap (E g) of the
conventional III–V materials, yielding emission out to nearly 15 μm at room temperature. As …

Flux dependent Sb-incorporation during molecular beam epitaxy of InAsSb

WL Sarney, SP Svensson - Journal of Vacuum Science & Technology …, 2015 - pubs.aip.org
A strong dependence of the InAsSb composition on the group III flux during molecular beam
epitaxy growth has been observed and quantified. Analogous to group III alloying, the Sb …

Deep level in the InAs/InAsSb superlattice revealed by forward-bias tunneling

DR Rhiger - Journal of Applied Physics, 2023 - pubs.aip.org
The analysis of forward-bias tunneling data to determine the energy position of a deep level
in the gallium-free InAs/InAsSb superlattice is reported. The level is found in p–n junction …