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Chapter and Conference Paper
Recent Results on Broadband Nanotransistor Based THz Detectors
Nanometer size field effect transistors can operate as efficient detectors of terahertz radiation that means far beyond their fundamental cut-of frequency. This work is an overview of some recent results conce...
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Article
Resonant properties of the planar plasmonic crystal on a membrane substrate
The theory of the plasmon resonance excitation in the plasmonic-crystal structure on a dielectric substrate is presented. The effect of the plasmon resonance intensity oscillation as a function of the substrat...
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Article
Transformation of the plasmon spectrum in a grating-gate transistor structure with spatially modulated two-dimensional electron channel
We present the theory of plasmon excitation in a grating-gate transistor structure with spatially modulated 2D electron channel. The plasmon spectrum varies depending on the electron density modulation in the ...
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Article
Terahertz excitation of the higher-order plasmon modes in field-effect transistor arrays with common and separate two-dimensional electron channels
Using a rigorous electrodynamic approach, the spectra of the terahertz response of periodically ordered arrays of field-effect transistors with two-dimensional electron channel were calculated. It was shown th...
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Article
Low-frequency noise in monodisperse platinum nanostructures near the percolation threshold
The percolation threshold p 0 ≈ 0.6 is determined for monodisperse platinum nanostructures with 1.8-nm metallic particles deposited in a monolayer onto an insulating substrate through lase...
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Article
The resonant terahertz response of a slot diode with a two-dimensional electron channel
The terahertz response of a slot diode with a two-dimensional electron channel is calculated on the basis of the first principles of electromagnetism. It is shown that all characteristic electromagnetic length...
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Article
Low-frequency noise in gallium nitride epitaxial layers with different degrees of order of mosaic structure
The correlation between the noise level 1/f and the degree of mosaic-structure order in gallium nitride epitaxial layers was studied for the first time. Samples with a do** level of N d ...
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Article
Magnetotransport characterization of THz detectors based on plasma oscillations in submicron field-effect transistors
Magnetotransport characterization of field-effect transistors in view of their application as resonant detectors of THz radiation is presented. Three groups of different transistors based on GaAs/GaAlAs or GaI...
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Chapter and Conference Paper
Basic Device Issues in UV Solid-State Emitters and Detectors
UV light emitting diodes (LEDs) and lasers are expected to find numerous applications in biotechnology, medicine, dentistry, home security, food and air safety technology, short-range covert communications, in...
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Chapter and Conference Paper
III-Nitride Based UV Light Emiting Diodes
The development of deep UV LEDs requires growing high quality AlGaN epitaxial layers with high molar fractions of Al. Our Strain Energy Band Engineering approach has considerably improved the quality of such l...
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Article
Electron transport and terahertz radiation detection in submicrometer-sized GaAs/AlGaAs field-effect transistors with two-dimensional electron gas
The electronic transport and response in the terahertz range are studied in field-effect GaAs/AlGaAs transistors with a two-dimensional high-mobility electron gas. The special interest expressed in such transi...
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Chapter and Conference Paper
Tunneling Effects and Low Frequency Noise of GaN/GaAlN HFETs
Attempts to explain the nature of the 1/f noise in AlGaN/GaN HFETs have involved three different mechanisms: occupancy fluctuations of the tail states near the band edges, fluctuations in the space charge regi...
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Chapter and Conference Paper
Optical Measurements Using Light-Emitting Diodes
Recent advances in optical measurements using light-emitting diodes (LEDs) are reviewed. The review covers applications of LEDs as stable and compact sources of light, fluorometry including fluorescence lifeti...
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Chapter
Threshold Switching in Chalcogenide-Glass Thin Films
The application of sufficiently high electric fields to any material eventually results in deviations from linearity in the observed current-voltage I(V) characteristic. There are two general classes of explanati...
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Chapter
Low Field Mobility, Effective Saturation Velocity and Performance of Submicron GaAs MESFETs
Analytical model is proposed which related the transconductance of submicron GaAs MESFET’s to a low field mobility, effective electron saturation velocity and device geometry and do**. The model predicts tha...