Results 31 to 40 of about 12,890 (250)
Comparison of performance limits of the HOT HgCdTe photodiodes with colloidal quantum dot infrared detectors [PDF]
Bulletin of the Polish Academy of Sciences: Technical Sciences, 2020 In the past decade, there has been significant progress in development of the colloidal quantum dot (CQD) photodetectors. The QCD’s potential advantages include: cheap and easy fabrications, size-tuneable across wide infrared spectral region, and direct ...
A. Rogalski +3 more
doaj +1 more source
Science Advances, 2022 New-generation infrared detectors call for higher operation temperature and polarization sensitivity. For traditional HgCdTe infrared detectors, the additional polarization optics and cryogenic cooling are necessary to achieve high-performance infrared ...
H. Jiao +16 more
semanticscholar +1 more source
Comparison of performance limits of HOT HgCdTe photodiodes with 2D material infrared photodetectors
ELEKTRONIKA - KONSTRUKCJE TECHNOLOGIE ZASTOSOWANIA, 2023 Article history: Received 24 Mar. 2020 Received in revised form 08 Apr. 2020 Accepted 08 Apr. 2020 The semiempirical rule, “Rule 07” specified in 2007 for P-on-n HgCdTe photodiodes has become widely popular within infrared community as a reference for ...
A. Rogalski +3 more
semanticscholar +1 more source
Ultrabroadband Terahertz Near-Field Nanospectroscopy with a HgCdTe Detector
ACS Photonics, 2023 While near-field infrared nanospectroscopy provides a powerful tool for nanoscale material characterization, broadband nanospectroscopy of elementary material excitations in the single-digit terahertz (THz) range remains relatively unexplored.
Lukas Wehmeier +6 more
semanticscholar +1 more source
SRH suppressed P-G-I design for very long-wavelength infrared HgCdTe photodiodes.
Optics Express, 2022 The very long wavelength infrared (VLWIR, >14 µm) spectral band is an indispensable part of new-generation infrared remote sensing. Mercury cadmium telluride (HgCdTe or MCT) has shown excellent potential across the entire infrared band. However, the dark
Qing Li +12 more
semanticscholar +1 more source
Performance Evaluation of Type-II Superlattice Devices Relative to HgCdTe Photodiodes
IEEE Transactions on Electron Devices, 2022 At present stage of infrared (IR) detector technology, two material systems, type-II superlattices (T2SLs) and HgCdTe ternary alloys, are used in fabrication of both mid- and long-wavelength IR arrays. The proposal of a new metric, the so-called “Law 19,”
M. Kopytko, A. Rogalski
semanticscholar +1 more source
Journal of Engineering Science (Chişinău), 2018 Infrared detectors have wide application in a range of industry sectors, including defence, astronomy, medicine, environmental safety, and remote sensing. The applications requiring the highest sensitivity over a broad spectrum of wavelengths are usually
Titu-Marius I. Băjenescu
doaj +1 more source
Materials Research Express, 2021 The influence of the near-surface graded-gap layer formed by annealing of HgCdTe grown by liquid phase epitaxy on the capacitance-voltage characteristics of its MIS structure was studied.
Qi Lu +4 more
doaj +1 more source
Trends in Performance Limits of the HOT Infrared Photodetectors
Applied Sciences, 2021 The cryogenic cooling of infrared (IR) photon detectors optimized for the mid- (MWIR, 3–5 µm) and long wavelength (LWIR, 8–14 µm) range is required to reach high performance. This is a major obstacle for more extensive use of IR technology.
Antoni Rogalski +3 more
doaj +1 more source
Non-Radiative Transitions of Holes on Mercury Vacancies in Narrow-Gap HgCdTe
Photonics, 2022 Mercury vacancies, acting as double acceptors, are the dominant point defects in ternary HgCdTe alloys. Though HgCdTe is one of the leading materials in infrared optoelectronics, the energy spectra of the vacancies are still a matter of some debate. This
Dmitry V. Kozlov +9 more
doaj +1 more source