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Determination of the Strain Influence on the InAs/InAsSb Type-II Superlattice Effective Masses [PDF]

open access: yesSensors, 2022
A3B5 materials used for the superlattice (SL) fabrication have properties that enable the design of devices optimized for infrared (IR) detection. These devices are used in the military, industry, medicine and in other areas of science and technology ...
Tetiana Manyk   +3 more
doaj   +2 more sources

Band-structure-engineered high-gain LWIR photodetector based on a type-II superlattice [PDF]

open access: yesLight: Science & Applications, 2021
The LWIR and longer wavelength regions are of particular interest for new developments and new approaches to realizing long-wavelength infrared (LWIR) photodetectors with high detectivity and high responsivity.
Arash Dehzangi   +2 more
doaj   +2 more sources

InAs/InAsSb Type-II Strained-Layer Superlattice Infrared Photodetectors [PDF]

open access: yesMicromachines, 2020
The InAs/InAsSb (Gallium-free) type-II strained-layer superlattice (T2SLS) has emerged in the last decade as a viable infrared detector material with a continuously adjustable band gap capable of accommodating detector cutoff wavelengths ranging from 4 ...
David Z. Ting   +8 more
doaj   +3 more sources

A Strain-Compensated InGaAs/InGaSb Type-II Superlattice Grown on InAs Substrates for Long-Wavelength Infrared Photodetectors [PDF]

open access: yesNanomaterials
In this paper, the first demonstration of a highly strained In0.8Ga0.2As/In0.2Ga0.8Sb type-II superlattice structure grown on InAs substrates by molecular beam epitaxy (MBE) for long-wavelength infrared detection was reported.
Hao Zhou, Chang Liu, Yiqiao Chen
doaj   +2 more sources

Novel Passivation Approach of InAs/GaSb Superlattice for Mid-Short Wavelength Dual-Color Infrared Detector [PDF]

open access: yesHangkong bingqi, 2021
For higher surface state density of InAs/GaSb type II superlattice materials, it is easy to form conductive oxide layer on the material surface. The first problem to be solved is passivation in the process of preparing infrared devices with InAs/GaSb ...
Zhang Lixue, Lu Xing, Zhu Xubo, Yao Guansheng
doaj   +1 more source

Simulation of the Band Structure of InAs/GaSb Type II Superlattices Utilizing Multiple Energy Band Theories

open access: yesFrontiers in Physics, 2022
Antimonide type II superlattices is expected to overtake HgCdTe as the preferred materials for infrared detection due to their excellent photoelectric properties and flexible and adjustable band structures.
Shuiliu Fang   +5 more
doaj   +1 more source

Complementary Barrier Infrared Detector Architecture for Long-Wavelength Infrared InAs/InAsSb Type-II Superlattice

open access: yesApplied Sciences, 2022
We describe the challenges for long- and very long-wavelength InAs/InAsSb type-II strained-layer superlattice infrared detectors, and provide an overview of progress in device architecture development for addressing them.
David Z. Ting   +8 more
doaj   +1 more source

The use of one-component plasma in the icp-rie etching process of periodic structures for applications in photodetector arrays [PDF]

open access: yesMetrology and Measurement Systems, 2023
The paper presents the effect of ICP-RIE etching time using one-component plasma on various parameters of an InAs/GaSb type II superlattice matrix. In the studies, two samples used at different BCl3 gas flow rates were compared and it was found that ...
Marta Różycka   +5 more
doaj   +1 more source

Multi-band SWIR-MWIR-LWIR Type-II superlattice based infrared photodetector

open access: yesResults in Optics, 2021
Type-II InAs/GaSb superlattices (T2SLs) has drawn a lot of attention since it was introduced in 1970, especially for infrared detection as a system of multi-interacting quantum wells.
Manijeh Razeghi   +2 more
doaj   +1 more source

The Effect of GaSb Substrate Oxidation Layer on InAs/GaSb Type II Superlattice

open access: yesPhotonics, 2023
Type-II superlattices (T2SLs) are emerging as next-generation materials for infrared detectors. The epitaxial quality of T2SLs is of great importance to the performance of infrared detectors such as dark current and detectivity.
Jiabo Liu   +11 more
doaj   +1 more source

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