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341
4×2 HEB receiver at 4.7 THz for GUSTO
Published 2021“…It will use three arrays of 4x2 mixers based on NbN hot electron bolometers (HEBs), which are currently the most sensitive mixers for high resolution spectroscopic astronomy at these frequencies. …”
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342
Implosion Experiments using Glass Ablators for Direct-Drive Inertial Confinement Fusion
Published 2010“…The x-ray signal caused by hot electrons generated by two-plasmon-decay instability was reduced by more than ~40× and hot-electron temperature by ~2× in the glass compared to plastic ablators at ignition-relevant drive intensities of ~1×10[superscript 15] W/cm[superscript 2], suggesting reduced target preheat. …”
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343
TCAD Modeling of High-Field Electron Transport in Bulk Wurtzite GaN: The Full-Band SHE-BTE
Published 2023-01-01“…As they operate at large bias and electric fields, a comprehensive analysis of the high-field transport properties is fundamentals, as hot electrons are expected to play a relevant role for the device reliability. …”
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344
Backward scattering of laser plasma interactions from hundreds-of-joules broadband laser on thick target
Published 2024-01-01“…The broadband laser had a clear suppressive effect on both back-stimulated Raman scattering and back-stimulated Brillouin scattering at laser intensities below 1 × 1015 W cm−2. An abnormal hot-electron phenomenon is also investigated, using targets of different thicknesses.…”
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345
A Silicon Sub-Bandgap Near-Infrared Photodetector with High Detectivity Based on Textured Si/Au Nanoparticle Schottky Junctions Covered with Graphene Film
Published 2023-07-01“…Graphene offers additional pathways for hot electron transport and to increase photocurrent. …”
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346
Modification of Surface Bond Au Nanospheres by Chemically and Plasmonically Induced Pd Deposition
Published 2021-01-01“…The generation of hot electrons on the particle surface then reduced the palladium acetate in the vicinity of the gold nanoparticle, resulting in palladium-covered gold nanospheres. …”
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347
Impact of String Pattern on the Threshold-Voltage Spread of Program-Inhibited Cell in NAND Flash
Published 2016-01-01“…A 3-D TCAD simulation reveals that the former case is attributed to Fowler–Nordheim tunneling from the insufficiently boosting channel, and the latter is explained by hot-electron injection owing to the strong lateral electric field between the <inline-formula> <tex-math notation="LaTeX">${N}$ </tex-math></inline-formula>th and (<inline-formula> <tex-math notation="LaTeX">$N-1$ </tex-math></inline-formula>)th cells.…”
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348
High-Responsivity Graphene–Boron Nitride Photodetector and Autocorrelator in a Silicon Photonic Integrated Circuit
Published 2018“…From photocurrent measurements as a function of the top-gate and source-drain voltages, we conclude that the photoresponse is consistent with hot electron mediated effects. At moderate peak powers above 50 mW, we observe a saturating photocurrent consistent with the mechanisms of electron-phonon supercollision cooling. …”
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349
Heterodyne gas cell measurements at 2.9 THz using a quantum cascade laser as local oscillator
Published 2011“…The potential receiver technology is a combination of a hot electron bolometer (HEB) mixer and a THz quantum cascade laser (QCL) local oscillator (LO).Here we report the first highresolution heterodyne spectroscopy measurement of a gas cell using such a HEB-QCL receiver. …”
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350
Superlattice-based plasmonic catalysis: concentrating light at the nanoscale to drive efficient nitrogen-to-ammonia fixation at ambient conditions
Published 2023“…Mechanistic investigations reveal the abundance of intense plasmonic hotspots is crucial to promote hot electron generation and transfer for nitrogen reduction. …”
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351
Magnetotransport in graphene and related two-dimensional systems
Published 2016“…In Chapter 6, energy relaxation of hot carriers in graphene bilayer systems is investigated from measurements on Shubnikovde Haas oscillations and weak localisation. The hot-electron energy loss rate follows the predicted <em>T</em><sup>4</sup> power-law at carrier temperatures from 1.4 up to about 100 K, due to electron-acoustic phonon interactions. …”
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352
Terahertz spectroscopy of charge-carrier transport in metal-halide perovskites and narrow-gap semiconductors
Published 2020“…A significant reduction of effective mass observed in the first 50ps after photoexcitation indicates a fast hot-electron cooling process. Meanwhile, the increase in effective mass with increasing carrier density agrees with the non-parabolic conduction band predicted by the ab initio calculations of the quasiparticle band structure based on the Kane model.…”
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353
RF Overdrive Burnout Behavior and Mechanism Analysis of GaN HEMTs Based on High Speed Camera
Published 2023-01-01“…These phenomena show that the degradation of RF overdrive stress is based on hot electron effect (HEE), which is related to the electric field. …”
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354
Laser-assisted electron scattering in strong-field ionization of dense water vapor by ultrashort laser pulses
Published 2014-01-01“…This change is associated with the process of laser-assisted electron scattering (LAES) on neighboring particles, which becomes a dominant mechanism of hot electron emission at higher medium densities. The manifestation of this mechanism is found to require densities that are orders of magnitude lower than those considered for heating the laser-generated plasmas via the LAES process. …”
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355
Insights on Z-scheme interfacial charge transfer of TiO2-NRAs/BiOI-NFs/Au-NPs nanoheterostructures and unveiling enhanced photoelectrochemical performances
Published 2024-06-01“…An interfacial charge migration mechanism involving plasmon-induced hot electron injection and transition with oxygen vacancies defects was proposed. …”
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356
Cerium End-Deposited Gold Nanorods-Based Photoimmunotherapy for Boosting Tumor Immunogenicity
Published 2023-04-01“…Results: Under near-infrared (NIR) light irradiation, CEG can efficiently generate hot electrons and avoid hot-electron recombination to release heat and form reactive oxygen species (ROS), triggering immunogenic cell death (ICD) and activating part of the immune response. …”
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357
A Sub-Nanostructural Transformable Nanozyme for Tumor Photocatalytic Therapy
Published 2022-04-01“…The gold core in STGC-PEG can generate energetic hot electrons upon NIR irradiation, wherein an internal sub-nanostructural transformation is initiated by the conversion between CeO2 and electron-rich state of CeO2−x , and active oxygen vacancies generation via the hot-electron injection. …”
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358
Fabrication and Application of Ag, Black TiO<sub>2</sub> and Nitrogen-Doped 3D Reduced Graphene Oxide (3D Black TiO<sub>2</sub>/Ag/N@rGO) Evaporator for Efficient Steam Generation
Published 2023-03-01“…The strong photothermal performance can be attributed to the nitrogen doping of the rGO, which boosted the electrocatalytic and photothermal activity of the graphene through the activation of the excess free-flowing π electrons of the sp<sup>2</sup> configuration of the graphene; the broadband solar absorption potential of the black TiO<sub>2</sub>; and the localized surface plasmon resonance effect of the AgNPs, which induced hot electron generation and enhanced photothermal conversion. …”
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359
Efficiency Limits of Solar Energy Harvesting via Internal Photoemission in Carbon Materials
Published 2018“…We describe strategies to estimate the upper limits of the efficiency of photon energy harvesting via hot electron extraction from gapless absorbers. Gapless materials such as noble metals can be used for harvesting the whole solar spectrum, including visible and near-infrared light. …”
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360
Demonstration of SWIR Silicon-Based Photodetection by Using Thin ITO/Au/Au Nanoparticles/n-Si Structure
Published 2022-06-01“…Plasmonic photodetection based on the hot-electron generation in nanostructures is a promising strategy for sub-band detection due to the high conversion efficiencies; however, it is plagued with the high dark current. …”
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