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Article
ZnO Nanostructures on Electrospun Nanofibers by Atomic Layer Deposition/Hydrothermal Growth and Their Photocatalytic Activity
A hierarchy of nanostructured-ZnO was fabricated on the electrospun nanofibers by atomic layer deposition (ALD) and hydrothermal growth, subsequently. Firstly, we produced poly(acrylonitrile) (PAN) nanofibers ...
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Article
Preparation of Al2O3 and AlN Nanotubes by Atomic Layer Deposition
Al2O3 and AlN nanotubes were fabricated by depositing conformal thin films via atomic layer deposition (ALD) on electrospun nylon 66 (PA66) nanofiber templates. Depositions were carried out at 200°C, using trimet...
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Article
Solar-Blind AlGaN-based Schottky Photodiodes With High Detectivity and Low Noise
We report on the design, fabrication and characterization of solar-blind Schottky photodiodes with high detectivity and low noise. The devices were fabricated on n-/n+ AlGaN/GaN hetero-structures using a microwav...
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Article
High-Speed Solar-Blind AlGaN Schottky Photodiodes
We report high-speed solar-blind AlGaN-based Schottky photodiodes. AlGaN/GaN heterostructure device layers were grown on sapphire substrate. The devices were fabricated on AlGaN/GaN heterostructuresusing a mic...
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Article
High-Performance AlGaN-Based Visible-Blind Resonant Cavity Enhanced Schottky Photodiodes
We have designed, fabricated and tested resonant cavity enhanced visible-blind AlGaN-based Schottky photodiodes. The bottom mirror of the resonant cavity was formed with a 20 pair AlN/AlGaN Bragg mirror. The d...
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Article
Persistent Photoconductivity in High-mobility AlxGa1−xN/AlN/GaN Heterostructures Grown by Metal-organic Vapor-phase Epitaxy
We report on the persistent photoconductivity (PPC) effect in AlxGa1−xN/AlN/GaN heterostructures with two different Al compositions (x=0.15 and 0.25). The two-dimensional electron gas (2DEG) was characterized by ...
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Article
High-Performance Solar-Blind AlGaN Schottky Photodiodes
High-performance solar-blind AlGaN-based Schottky photodiodes have been demonstrated. The detectors were fabricated on MOCVD-grown AlGaN/GaN hetero-structures using a microwavecompatible fabrication process. C...
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Article
High-Speed Visible-Blind Resonant Cavity Enhanced AlGaN Schottky Photodiodes
We have designed, fabricated and tested resonant cavity enhanced visible-blind AlGaN-based Schottky photodiodes. The bottom mirror of the resonant cavity was formed with a 20 pair AlN/Al0 2Ga0.8N Bragg mirror. Th...