Results 21 to 30 of about 13,032 (198)

Medium wavelength infrared HgCdTe discrete photodetectors

open access: yesTekhnologiya i Konstruirovanie v Elektronnoi Apparature, 2017
The authors have developed the topology and technological fabrication route for discrete photodiodes (Θ = 0,5—1,5 mm) for the mid wavelength infrared (MWIR) range, based on the mercury-cadmium-telluride (MCT) epitaxial layers.
Z. F. Tsybrii   +11 more
doaj   +1 more source

HgCdTe e-avalanche photodiode detector arrays

open access: yesAIP Advances, 2015
Initial results on the MWIR e-APD detector arrays with 30 μm pitch fabricated on LPE grown compositionally graded p-HgCdTe epilayers are presented. High dynamic resistance times active area (R0A) product 2 × 106 Ω-cm2, low dark current density 4 nA/cm2 ...
Anand Singh, A. K. Shukla, Ravinder Pal
doaj   +1 more source

Comparative studies on the electronic transport in magnetically quantized low band gap semiconductor system

open access: yesBibechana, 2020
The Q1D system formed by magnetically confined system is attracting attention of researchers in device application because it is capable of over-looking the various techniques of fabrication difficulties and defects created by such fabrication ...
S Shrestha, C K Sarkar
doaj   +3 more sources

Diffusion of Dopants and Components in Arsenic-Implanted CdTe/HgCdTe Structures under Different High-Temperature Annealing Conditions

open access: yesProceedings, 2019
The CdTe cap layers were grown on CdZnTe-substrated HgCdTe (MCT) LPE epilayers by magnetron sputtering and thermal evaporation. The diffusion behaviors of Cd & Hg components and impurities (As or In) in these CdTe/MCT structures subjected to As ion ...
Changzhi Shi, Chun Lin, Yanfeng Wei
doaj   +1 more source

Room temperature operated HgCdTe colloidal quantum dot infrared focal plane array using shockwave dispersion technique

open access: yesApplied Surface Science Advances, 2020
This paper reports development and performance evaluation of room temperature operated Mercury Cadmium Telluride (HgCdTe) colloidal quantum dot (CQD) coated Si Readout Integrated Circuit (ROIC) based Infrared (IR) Focal Plane Array (FPA).
Abhijit Chatterjee   +3 more
doaj   +1 more source

nBn HgCdTe infrared detector with HgTe(HgCdTe)/CdTe SLs barrier [PDF]

open access: yesOptical and Quantum Electronics, 2016
Several strategies have been implemented to improve the performance of infrared single pixel detectors at higher operating temperature condition. The most efficient and effective in HgCdTe technology are: non-equilibrium architectures and currently an idea of the barrier detector to include unipolar and complementary structures.
Benyahia, D.   +8 more
openaire   +1 more source

Impact of nitrogen annealing on the electrical properties of HgCdTe epitaxial films

open access: yesMaterials Research Express, 2023
The nitrogen annealing of HgCdTe materials grown by molecular beam epitaxy (MBE) was carried out to manipulate their electrical properties. The results show that the annealing temperature, annealing time and cooling process all have significant ...
Dapeng Jin   +4 more
doaj   +1 more source

Optical Studies and Transmission Electron Microscopy of HgCdTe Quantum Well Heterostructures for Very Long Wavelength Lasers

open access: yesNanomaterials, 2021
HgTe/CdHgTe quantum well (QW) heterostructures have attracted a lot of interest recently due to insights they provided towards the physics of topological insulators and massless Dirac fermions.
Vladimir V. Rumyantsev   +18 more
doaj   +1 more source

Influence of infrared radiation on the electrical characteristics of the surface-barrier nanostructures based on MBE HgCdTe

open access: yesEPJ Web of Conferences, 2017
Impact of illumination on the admittance of the MIS structures based on MBE Hg1-xCdxTe with graded-gap layers and single quantum wells was investigated. It is shown that for HgCdTe-based nanostructures the illumination greatly affects the capacitance and
Pociask-Bialy Malgorzata   +4 more
doaj   +1 more source

Measurements of Low Frequency Noise of Infrared Photo-Detectors with Transimpedance Detection System

open access: yesMetrology and Measurement Systems, 2014
The paper presents the method and results of low-frequency noise measurements of modern mid-wavelength infrared photodetectors. A type-II InAs/GaSb superlattice based detector with nBn barrier architecture is compared with a high operating temperature ...
Ciura Łukasz   +4 more
doaj   +1 more source

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