Dr. Gilberto A. Umana-Membreno Profile

Dr. Gilberto A. Umana-Membreno

at Univ of Western Australia

Publications (11)

Proceedings Article | 3 November 2022 Presentation

Electronic transport in infrared detector materials based on InAs/InGaSb type-II superlattices (Conference Presentation)

Gilberto Umana-Membreno, Nima Dehdashtiakhavan, Jarek Antoszewski, Lorenzo Faraone

Proceedings Volume 12271, 1227104 (2022) https://doi.org/10.1117/12.2656306

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Proceedings Article | 2 November 2022 Presentation + Paper

Narrow bandgap HgCdTe technology for IR sensing and imaging focal plane arrays

Wenwu Pan, Gilberto Umana-Membreno, Jarek Antoszewski, Wen Lei, Renjie Gu, Hemendra Kala, Nima Dehdashtiakhavan, Lorenzo Faraone

Proceedings Volume 12271, 1227102 (2022) https://doi.org/10.1117/12.2645270

KEYWORDS: Mercury cadmium telluride, Quantum efficiency, Photodetectors, Imaging arrays, Mid-IR, Infrared imaging, Sensors, Gallium antimonide, Staring arrays, Infrared detectors

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Proceedings Article | 14 August 2018 Paper

Structural and optical characterization of the high quality Be-doped InAs epitaxial layer grown on GaAs substrate

Jarosław Wróbel, Kacper Grodecki, Djalal Benyahia, Krzysztof Murawski, Krystian Michalczewski, Justyna Grzonka, Jacek Boguski, Kinga Gorczyca, Gilberto Umana-Membreno, Łukasz Kubiszyn, Artur Kębłowski, Paweł Piotr Michałowski, Emilia Gomółka, Piotr Martyniuk, Józef Piotrowski, Antoni Rogalski

Proceedings Volume 10830, 108300S (2018) https://doi.org/10.1117/12.2503624

KEYWORDS: Indium arsenide, Gallium arsenide, Raman spectroscopy, Scanning electron microscopy, Luminescence, X-ray diffraction, Absorbance, Arsenic, Crystals, Spectroscopy

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Proceedings Article | 1 September 2017 Paper

Mobility spectrum analysis of HgCdTe epitaxial layers grown by metalorganic chemical vapour deposition

Jarosław Wróbel, Kinga Gorczyca, Gilberto Umana-Membreno, Artur Kębłowski, Jacek Boguski, Piotr Martyniuk, Paweł Madejczyk

Proceedings Volume 10455, 104550T (2017) https://doi.org/10.1117/12.2282836

KEYWORDS: Mercury cadmium telluride, Metalorganic chemical vapor deposition, Spectrum analysis, Doping, Infrared detectors

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Proceedings Article | 20 May 2016 Paper

Recent progress in MBE grown HgCdTe materials and devices at UWA

R. Gu, W. Lei, J. Antoszewski, I. Madni, G. Umana-Menbreno, L. Faraone

Proceedings Volume 9819, 98191Z (2016) https://doi.org/10.1117/12.2222997

KEYWORDS: Mercury cadmium telluride, Gallium antimonide, Sensors, Infrared materials, Infrared detectors, Epitaxy, Silicon, Gallium arsenide, Sensor performance, Superlattices, Transmission electron microscopy, Solids, Mid-IR, FT-IR spectroscopy

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Proceedings Article | 31 May 2012 Paper

Electronic transport in InAs/GaSb type-II superlattices for long wavelength infrared focal plane array applications

G. Umana-Membreno, H. Kala, B. Klein, J. Antoszewski, N. Gautam, M. Kutty, E. Plis, S. Krishna, L. Faraone

Proceedings Volume 8353, 83530Y (2012) https://doi.org/10.1117/12.919767

KEYWORDS: Superlattices, Electrons, Long wavelength infrared, Spectrum analysis, Infrared detectors, Sensors, Temperature metrology, Staring arrays, Infrared sensors, Infrared technology

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Proceedings Article | 21 May 2011 Paper

Vertical transport in InAs/GaSb type-II strained layer superlattices for infrared focal plane array applications

G. Umana-Membreno, B. Klein, H. Kala, J. Antoszewski, G. Gautam, M. Kutty, E. Plis, J. Dell, S. Krishna, L. Faraone

Proceedings Volume 8012, 80120Y (2011) https://doi.org/10.1117/12.883755

KEYWORDS: Superlattices, Electrons, Magnetism, Infrared detectors, Infrared sensors, Sensors, Spectrum analysis, Laser sintering, Infrared radiation, Mercury cadmium telluride

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Proceedings Article | 2 April 2004 Paper

Investigations of ohmic contacts to reactive ion-etched p-type GaN

Giacinta Parish, L. Watson, Gilberto Umana Membreno, Brett Nener

Proceedings Volume 5276, (2004) https://doi.org/10.1117/12.523252

KEYWORDS: Annealing, Gallium nitride, Resistance, Etching, Semiconducting wafers, Reactive ion etching, Doping, Metals, Ultraviolet radiation, Nitrogen

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Proceedings Article | 30 March 2004 Paper

Magnetoresistance characteristics of gamma-irradiated Al0.35Ga0.65N/GaN HFETs

Gilberto Umana-Membreno, John Dell, Giacinta Parish, Brett Nener, Lorenzo Faraone, Ramakhrishna Ventury, Umesh Mishra

Proceedings Volume 5274, (2004) https://doi.org/10.1117/12.527255

KEYWORDS: Gamma radiation, Resistance, Gallium nitride, Magnetism, Aluminum, Heterojunctions, Interfaces, Field effect transistors, Gallium, Diodes

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Proceedings Article | 19 November 2001 Paper

60Co gamma-irradiation-induced defects in MOCVD n-GaN

Gilberto Umana-Membreno, John Dell, Giacinta Parish, Lorenzo Faraone, Umesh Mishra

Proceedings Volume 4593, (2001) https://doi.org/10.1117/12.448853

KEYWORDS: Annealing, Gamma radiation, Temperature metrology, Gallium nitride, Electrons, Diodes, Metalorganic chemical vapor deposition, Nitrogen, Convolution, Capacitance

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Proceedings Article | 8 October 1999 Paper

Anomalous drain current-voltage characteristics in AlGaN/GaN MODFETs at low temperatures

Gilberto Umana-Membreno, John Dell, Lorenzo Faraone, Yi-Feng Wu, Giacinta Parish, Umesh Mishra

Proceedings Volume 3893, (1999) https://doi.org/10.1117/12.368457

KEYWORDS: Field effect transistors, Electrons, Resistance, Ionization, Heterojunctions, Temperature metrology, Gallium nitride, Sapphire, Silicon, Transistors

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Showing 5 of 11 publications

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