Results 21 to 30 of about 390,411 (306)

Investigating the Role of Surface Depletion in Governing Electron Transfer Events in Colloidal Plasmonic Nanocrystals

open access: yes, 2021
Doped metal oxide nanocrystals (NCs) attract immense attention because of their ability to exhibit a localized surface plasmon resonance (LSPR) that can be tuned extensively across the infrared region of the electromagnetic spectrum.
Bharat, Tandon   +2 more
core   +1 more source

Summer time Fe depletion in the Antarctic mesopause region [PDF]

open access: yes, 2015
We report common volume measurements of Fe densities, temperatures and ice particle occurrence in the mesopause region at Davis Station, Antarctica (69°S) in the years 2011–2012.
Kaifler, B   +11 more
core   +1 more source

Impact of Silicon Substrate with Low Resistivity on Vertical Leakage Current in AlGaN/GaN HEMTs

open access: yesApplied Sciences, 2019
The role of low-resistivity substrate on vertical leakage current (VLC) of AlGaN/GaN-on-Si epitaxial layers has been investigated. AlGaN/GaN high-electron-mobility transistors (HEMTs) grown on both p-type and n-type Si substrates with low resistivity are
Chunyan Song   +12 more
doaj   +1 more source

Imaging and EISCAT radar measurements of an auroral prebreakup event [PDF]

open access: yesAnnales Geophysicae, 1996
The results of coordinated EISCAT and TV-camera observations of a prebreakup event on 15 November 1993 have been considered. The variations of the luminosity of two parallel auroral arcs, plasma depletion on the poleward edge of one of these arcs as ...
V. Safargaleev   +4 more
doaj   +1 more source

Massive crop expansion threatens agriculture and water sustainability in northwestern China

open access: yesEnvironmental Research Letters, 2022
Northwestern China (NWC) is among the major global hotspots undergoing massive terrestrial water storage (TWS) depletion. Yet driver(s) underlying such region-wide depletion remain controversial, i.e.
Jiameng Lai   +9 more
doaj   +1 more source

Enhancing Ultraviolet Responsivity of GaN p-i-n Photodetectors Through Full Depletion Thin-Layer Doping-Induced Carrier Transport Modulation

open access: yesIEEE Journal of the Electron Devices Society
High-performance GaN-based ultraviolet (UV) photodetectors (PDs) are essential for applications in harsh-environment sensing, space-based UV monitoring, and high-speed optical communications.
Shishun Yang   +4 more
doaj   +1 more source

Multiple Remotely Sensed Lines of Evidence for a Depleting Seasonal Snowpack in the Near East

open access: yesRemote Sensing, 2019
The snow-fed river basins of the Near East region are facing an urgent threat in the form of declining water resources. In this study, we analyzed several remote sensing products (optical, passive microwave, and gravimetric) and outputs of a ...
Yeliz A. Yılmaz   +2 more
doaj   +1 more source

Dual-depletion-region lumped electroabsorption modulator for low capacitance and expected high bandwidth

open access: yes, 2011
A dual-depletion-region lumped electroabsorption modulator(DDR-LEAM) based on InP at1550nm is designed and fabricated. The measurement results reveal that the dual depletion region structure can reduce the device capacitance significantly without any ...
Wang, Wei   +14 more
core   +1 more source

The Oil and Gas Industry and the Niger Delta: Implications for the Environment

open access: yesJournal of Applied Sciences and Environmental Management, 2010
The causes of environmental degradation and biodiversity depletion arising from the activities of the oil industry in the region are evaluated. The authors argue that, specific negative impact on the region arising from the activities of the industries ...
OO Emoyan
doaj   +1 more source

Surface-Potential-Based Drain Current Model of Gate-All-Around Tunneling FETs

open access: yesIEEE Journal of the Electron Devices Society
A closed-form, analytical, and unified model for the surface potential from source to drain in nanowire (NW) gate-all-around (GAA) tunneling field effect transistors (TFETs) is proposed and validated.
Zhanhang Chen   +7 more
doaj   +1 more source

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