Search Results - "M. Tchernycheva"
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Integrated Photonic Platform Based on InGaN/GaN Nanowire Emitters and Detectors
Published in Nano letters (11-06-2014)“…We report the fabrication of a photonic platform consisting of single wire light-emitting diodes (LED) and photodetectors optically coupled by waveguides…”
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InGaN/GaN Core–Shell Single Nanowire Light Emitting Diodes with Graphene-Based P‑Contact
Published in Nano letters (14-05-2014)“…We report on the demonstration of MOVPE-grown single nanowire InGaN/GaN core–shell light emitting diodes (LEDs) with a transparent graphene contact for hole…”
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3
GaN nanowire ultraviolet photodetector with a graphene transparent contact
Published in Applied physics letters (11-11-2013)“…We report on the fabrication of graphene contact to GaN nanowire ensemble and on the demonstration of photodetectors using chemical vapor deposition-grown…”
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Ultraviolet Photodetector Based on GaN/AlN Quantum Disks in a Single Nanowire
Published in Nano letters (11-08-2010)“…We report the demonstration of single-nanowire photodetectors relying on carrier generation in GaN/AlN QDiscs. Two nanowire samples containing QDiscs of…”
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Excitonic Diffusion in InGaN/GaN Core–Shell Nanowires
Published in Nano letters (13-01-2016)“…We report on the direct observation of the diffusion of carriers in graded InGaN/GaN quantum wells in a nanowire. By probing the local dynamics at the…”
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A 5.7 THz GaN/AlGaN quantum cascade detector based on polar step quantum wells
Published in Applied physics letters (25-04-2022)“…We report on a GaN/AlGaN quantum cascade detector operating in the terahertz spectral range. The device was grown by metal organic chemical vapor deposition on…”
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Short infrared wavelength quantum cascade detectors based on m-plane ZnO/ZnMgO quantum wells
Published in Applied physics letters (17-12-2018)“…This paper reports on the demonstration of quantum cascade detectors (QCDs) based on ZnO/ZnMgO quantum wells (QWs) grown by molecular beam epitaxy on an…”
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Investigation of Photovoltaic Properties of Single Core–Shell GaN/InGaN Wires
Published in ACS applied materials & interfaces (07-10-2015)“…We report the investigation of the photovoltaic properties of core–shell GaN/InGaN wires. The radial structure is grown on m-plane {11̅00} facets of…”
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Terahertz intersubband absorption of GaN/AlGaN step quantum wells grown by MOVPE on Si(111) and Si(110) substrates
Published in Applied physics letters (23-12-2019)“…We demonstrate terahertz intersubband absorptions in nitride step quantum wells (SQWs) grown by metal organic vapor phase epitaxy simultaneously on two…”
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Probing elastic properties of nanowire-based structures
Published in Applied physics letters (15-10-2018)“…We report the analysis of elastic properties of a composite medium consisting of GaN nanowires embedded into a dielectric matrix, which constitutes the active…”
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Publisher's Note: “A 5.7 THz GaN/AlGaN quantum cascade detector based on polar step quantum wells” [Appl. Phys. Lett. 120, 171103 (2022)]
Published in Applied physics letters (09-05-2022)Get full text
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Nanoscale analysis of electrical junctions in InGaP nanowires grown by template-assisted selective epitaxy
Published in Applied physics letters (11-03-2019)“…We report the analysis of the electrical properties of Inx−1GaxP nanowires (NWs) grown by template-assisted selective epitaxy. The individual NW properties are…”
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Influence of surface passivation on the electrical properties of p–i–n GaAsP nanowires
Published in Applied physics letters (21-09-2020)“…The electrical properties of passivated and non-passivated axial p–i–n junctions in GaAsP nanowires are investigated using electron-beam induced current…”
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A GaN/AlN quantum cascade detector with a broad response from the mid-infrared (4.1 μm) to the visible (550 nm) spectral range
Published in Applied physics letters (27-04-2020)“…We report on a GaN/AlN quantum cascade detector operating in an extended spectral range going from the mid-infrared to visible wavelengths. This broadband…”
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15
Near infrared quantum cascade detector in GaN∕AlGaN∕AlN heterostructures
Published in Applied physics letters (07-01-2008)“…A quantum cascade detector in the GaN/AlGaN/AlN material system was implemented. The design takes advantage of the large internal field existing in the…”
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Multi-microscopy study of the influence of stacking faults and three-dimensional In distribution on the optical properties of m-plane InGaN quantum wells grown on microwire sidewalls
Published in Applied physics letters (25-01-2016)“…The optical properties of m-plane InGaN/GaN quantum wells grown on microwire sidewalls were investigated carrying out a correlative scanning transmission…”
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Terahertz intersubband absorption in GaN/AlGaN step quantum wells
Published in Applied physics letters (08-11-2010)“…We demonstrate terahertz intersubband absorptions at frequencies of 2.1 THz ( λ ≈ 143 μ m ) and 4.2 THz ( λ ≈ 70 μ m ) in nitride-based semiconductor…”
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Origin of the electrical instabilities in GaN/AlGaN double-barrier structure
Published in Applied physics letters (03-10-2011)“…The effect of the temperature on the electrical characteristics in GaN-based resonant tunneling diodes is studied both theoretically and experimentally. At…”
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A simplified GaN/AlGaN quantum cascade detector with an alloy extractor
Published in Applied physics letters (17-12-2012)“…We have demonstrated a GaN/AlGaN quantum cascade detector based on a simplified design of the extractor region relying on an AlGaN thick layer. The device…”
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GaN/AlGaN intersubband optoelectronic devices
Published in New journal of physics (17-12-2009)Get full text
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