Search Results - "Kopytko, Małgorzata"

Infrared HOT Photodetectors: Status and Outlook by Rogalski, Antoni, Kopytko, Małgorzata, Hu, Weida, Martyniuk, Piotr

“…At the current stage of long-wavelength infrared (LWIR) detector technology development, the only commercially available detectors that operate at room…”
Get full text

Low-frequency noise limitations of InAsSb-, and HgCdTe-based infrared detectors by Ciura, Łukasz, Kopytko, Małgorzata, Martyniuk, Piotr

“…[Display omitted] •1/f noise from leakage current exceeds 1/f from the g–r/diffusion currents.•The leakage current from 1/f noise prevails for…”
Get full text

Trends in Performance Limits of the HOT Infrared Photodetectors by Rogalski, Antoni, Martyniuk, Piotr, Kopytko, Małgorzata, Hu, Weida

“…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…”
Get full text

New insight into defect energy levels in HgCdTe by Majkowycz, Kinga, Murawski, Krzysztof, Kopytko, Małgorzata

“…The paper reports on a summary of the experimental data on the defect energy levels in HgCdTe, that have been collected in our experiments and from articles…”
Get full text

Defect Analysis in a Long-Wave Infrared HgCdTe Auger-Suppressed Photodiode by Kopytko, Małgorzata, Majkowycz, Kinga, Murawski, Krzysztof, Sobieski, Jan, Gawron, Waldemar, Martyniuk, Piotr

“…Deep defects in the long-wave infrared (LWIR) HgCdTe heterostructure photodiode were measured via deep-level transient spectroscopy (DLTS) and…”
Get full text

MOCVD-grown HgCdTe photodiodes optimized for HOT conditions and a wide IR range by Hackiewicz, Klaudia, Kopytko, Małgorzata, Gawron, Waldemar

“…[Display omitted] •progress in fabrication of HOT HgCdTe devices using metal organic chemical vapor deposition is presented.•HgCdTe material allows the…”
Get full text

Determination of the Strain Influence on the InAs/InAsSb Type-II Superlattice Effective Masses by Manyk, Tetiana, Rutkowski, Jarosław, Kopytko, Małgorzata, Martyniuk, Piotr

“…A B materials used for the superlattice (SL) fabrication have properties that enable the design of devices optimized for infrared (IR) detection. These devices…”
Get full text

Review of photodetectors characterization methods by Zbigniew Bielecki, Krzysztof Achtenberg, Małgorzata Kopytko, Janusz Mikołajczyk, Jacek Wojtas, Antoni Rogalski

“…The review includes results of analyses and research aimed at standardizing the concepts and measurement procedures associated with photodetector parameters…”
Get full text

Study of HgCdTe (100) and HgCdTe (111)B Heterostructures Grown by MOCVD and Their Potential Application to APDs Operating in the IR Range up to 8 µm by Kopytko, Małgorzata, Sobieski, Jan, Gawron, Waldemar, Martyniuk, Piotr

“…The trend related to reach the high operating temperature condition (HOT, temperature, > 190 K) achieved by thermoelectric (TE) coolers has been observed in…”
Get full text

Non-Equilibrium Long-Wave Infrared HgCdTe Photodiodes: How the Exclusion and Extraction Junctions Work Separately by Kopytko, Małgorzata, Majkowycz, Kinga, Sobieski, Jan, Manyk, Tetiana, Gawron, Waldemar

“…The cooling requirement for long-wave infrared detectors still creates significant limitations to their functionality. The phenomenon of minority-carrier…”
Get full text

Impact of Residual Compositional Inhomogeneities on the MCT Material Properties for IR Detectors by Sobieski, Jan, Kopytko, Małgorzata, Matuszelański, Kacper, Gawron, Waldemar, Piotrowski, Józef, Martyniuk, Piotr

“…HgCdTe is a well-known material for state-of-the-art infrared photodetectors. The interd-iffused multilayer process (IMP) is used for Metal-Organic Chemical…”
Get full text

HgCdTe energy gap determination from photoluminescence and spectral response measurements by Murawski, Krzysztof, Kopytko, Małgorzata, Madejczyk, Paweł, Majkowycz, Kinga, Martyniuk, Piotr

“…The temperature dependence of photoluminescence spectra has been studied for the HgCdTe epilayer. At low temperatures, the signal has plenty of band-tail…”
Get full text

Generation-Recombination Effect in MWIR HgCdTe Barrier Detectors for High-Temperature Operation by Kopytko, Malgorzata, Jozwikowski, Krzysztof

“…An advanced numerical model was applied to investigate dark current-voltage characteristics of high operating temperature (HOT) HgCdTe p + BpnN + and p + BppN…”
Get full text

The Influence of Etching Method on the Occurrence of Defect Levels in III-V and II-VI Materials by Majkowycz, Kinga, Murawski, Krzysztof, Kopytko, Małgorzata, Nowakowski-Szkudlarek, Krzesimir, Witkowska-Baran, Marta, Martyniuk, Piotr

“…The influence of the etching method on the occurrence of defect levels in InAs/InAsSb type-II superlattice (T2SLs) and MCT photodiode is presented. For both…”
Get full text

Optical Characterization of the Interband Cascade LWIR Detectors with Type-II InAs/InAsSb Superlattice Absorber by Murawski, Krzysztof, Majkowycz, Kinga, Kopytko, Małgorzata, Manyk, Tetiana, Dąbrowski, Karol, Seredyński, Bartłomiej, Kubiszyn, Łukasz, Martyniuk, Piotr

“…The long-wave infrared (LWIR) interband cascade detector with type-II superlattices (T2SLs) and a gallium-free ("Ga-free") InAs/InAsSb (x = 0.39) absorber was…”
Get full text

Comparison of performance limits of the HOT HgCdTe photodiodes with colloidal quantum dot infrared detectors by Rogalski, A, Kopytko, Małgorzata, Martyniuk, Piotr, Hu, W

“…In the past decade, there has been significant progress in development of the colloidal quantum dot (CQD) photodetectors. The QCD’s potential advantages…”
Get full text

InSb Nanowire Direct Growth on Plastic for Monolithic Flexible Device Fabrication by Khayrudinov, Vladislav, Koskinen, Tomi, Grodecki, Kacper, Murawski, Krzysztof, Kopytko, Małgorzata, Yao, Lide, Jiang, Hua, Tittonen, Ilkka Juhani, Lipsanen, Harri, Haggren, Tuomas

“…We report direct growth of InSb nanowires (NWs) and monolithic device fabrication on flexible plastic substrates. The nanowires were grown using metal–organic…”
Get full text

Theoretical Simulation of a Room Temperature HgCdTe Long-Wave Detector for Fast Response − Operating Under Zero Bias Conditions by Martyniuk, Piotr, Kopytko, Małgorzata, Madejczyk, Paweł, Henig, Aleksandra, Grodecki, Kacper, Gawron, Waldemar, Rutkowski, Jarosław

“…The paper reports on a long-wave infrared (cut-off wavelength ~ 9 μm) HgCdTe detector operating under nbiased condition and room temperature (300 K) for both…”
Get full text

Fast Response Hot (111) HGCDTE MWIR Detectors by Grodecki, Kacper, Martyniuk, Piotr, Kopytko, Małgorzata, Kowalewski, Andrzej, Stępień, Dawid, Kębłowski, Artur, Piotrowski, Adam, Piotrowski, Józef, Gawron, Waldemar, Rogalski, Antoni

“…In this work we report simulation and experimental results for an MWIR HgCdTe photodetector designed by computer simulation and fabricated in a joint…”
Get full text

InAsSb-Based Infrared Photodetectors: Thirty Years Later On by Rogalski, Antoni, Martyniuk, Piotr, Kopytko, Malgorzata, Madejczyk, Pawel, Krishna, Sanjay

“…In 1989, one author of this paper (A.R.) published the very first review paper on InAsSb infrared detectors. During the last thirty years, many scientific…”
Get full text