Progress, challenges, and opportunities for HgCdTe infrared materials and detectors

W Lei, J Antoszewski, L Faraone - Applied Physics Reviews, 2015 - pubs.aip.org
This article presents a review on the current status, challenges, and potential future
development opportunities for HgCdTe infrared materials and detector technology. A brief …

Unipolar barrier photodetectors based on van der Waals heterostructures

Y Chen, Y Wang, Z Wang, Y Gu, Y Ye, X Chai, J Ye… - Nature …, 2021 - nature.com
Unipolar barrier structures are used to suppress dark current in photodetectors by blocking
majority carriers. Designing unipolar barriers with conventional materials is challenging due …

New concepts in infrared photodetector designs

P Martyniuk, J Antoszewski, M Martyniuk… - Applied Physics …, 2014 - pubs.aip.org
In 1959, Lawson and co-workers published the paper which triggered development of
variable band gap Hg 1− x Cd x Te (HgCdTe) alloys providing an unprecedented degree of …

Molecular-beam epitaxy-grown HgCdTe infrared detector: Material physics, structure design, and device fabrication

X Wang, M Wang, Y Liao, H Zhang, B Zhang… - Science China Physics …, 2023 - Springer
Infrared (IR) detectors have important applications in numerous civil and military sectors.
HgCdTe is one of the most important materials for IR detector manufacture. This review …

Barrier infrared detectors

P Martyniuk, M Kopytko, A Rogalski - Opto-electronics review, 2014 - Springer
In 1959, Lawson and co-workers publication triggered development of variable band gap Hg
1− x Cd x Te (HgCdTe) alloys providing an unprecedented degree of freedom in infrared …

Mid-wave infrared HgCdTe nBn photodetector

AM Itsuno, JD Phillips, S Velicu - Applied physics letters, 2012 - pubs.aip.org
A unipolar, barrier-integrated HgCdTe nBn photodetector with all n-type do** and a type-I
band lineup is experimentally demonstrated. Planar mid-wave infrared (MWIR) nBn devices …

HOT infrared photodetectors

P Martyniuk, A Rogalski - Opto-Electronics Review, 2013 - degruyter.com
At present, uncooled thermal detector focal plane arrays are successfully used in staring
thermal imagers. However, the performance of thermal detectors is modest, they suffer from …

EChO: exoplanet characterisation observatory

G Tinetti, JP Beaulieu, T Henning, M Meyer… - Experimental …, 2012 - Springer
A dedicated mission to investigate exoplanetary atmospheres represents a major milestone
in our quest to understand our place in the universe by placing our Solar System in context …

Barrier engineering for HgCdTe unipolar detectors on alternative substrates

F Uzgur, S Kocaman - Infrared Physics & Technology, 2019 - Elsevier
Delta-doped layers together with compositionally grading have been utilized to get nBn
configurations for the HgCdTe material system in all the short-wave (SWIR), medium-wave …

Auger-suppression in barrier-blocking HgCdTe long-wavelength infrared detector

J He, L Xu, W Tang, S Zhang - Infrared Physics & Technology, 2023 - Elsevier
Throughout, both the Auger-suppression effect and barrier-blocking devices have been
regarded as highly promising solutions for achieving high-operation-temperature (HOT) in …