Results 21 to 30 of about 3,315,876 (292)

Design and construction of Langmuir probe diagnostic system for determination of temperature, ion and electron density and potential in IR-IECF device [PDF]

open access: yesمجله علوم و فنون هسته‌ای, 2023
This paper aims to design and construct a Langmuir probe diagnostic system for plasma parameters measurement in the Iranian Inertial Electrostatic Confinement Fusion (IR-IECF) device.
M. Ghapanvari   +3 more
doaj   +1 more source

The Role of Elastic and Inelastic Electron Reflection in Multipactor Discharges. [PDF]

open access: yes, 2005
In this brief, it is demonstrated that the inclusion of primary electron elastic and inelastic reflection from the surfaces of vacuum RF electronic systems can result in a multipactor discharge where under current techniques multipactor is predicted not ...
Seviour, Rebecca
core   +4 more sources

Experimental demonstration and visual observation of dust trapping in an electron storage ring

open access: yesPhysical Review Special Topics. Accelerators and Beams, 2009
Sudden decreases in the beam lifetime, which are attributed to the dust trappings, sometimes occur at the electron storage ring Photon Factory Advanced Ring (PF-AR).
Yasunori Tanimoto   +2 more
doaj   +1 more source

Localized direct material removal and deposition by nanoscale field emission scanning probes

open access: yesMicro and Nano Engineering, 2022
The manufactory of advanced micro- and nanoscale devices relies on capable patterning strategies. Focused electron beams, as for instance implemented since long in electron beam lithography and electron beam induced deposition, are in this regard key ...
Martin Hofmann   +3 more
doaj   +1 more source

Electron Emission Regimes of Planar Nano Vacuum Emitters [PDF]

open access: yes, 2022
Recent advancements in nanofabrication have enabled the creation of vacuum electronic devices with nanoscale free space gaps. These nanoelectronic devices promise the benefits of cold-field emission and transport through free-space, such as high ...
Nardi, Alberto   +9 more
core   +2 more sources

Al back-gated graphene field-effect transistors for capacitive sensing applications based on quantum capacitance effect

open access: yesAIP Advances, 2022
We report a new device design of a graphene field-effect transistor (G-FET) for capacitive sensing application. A channel area exposed to ambient conditions in G-FET is known to be a promising candidate for molecular level sensing applications because ...
Wonbin Ju, Sungbae Lee
doaj   +1 more source

Optimizing the e-beam profile of a single carbon nanotube field emission device for electric propulsion systems [PDF]

open access: yesJournal of Aerospace Technology and Management, 2010
Preliminary studies on field emission (FE) arrays comprised of carbon nanotubes (CNT) as an electron source for electric propulsion system show remarkably promising results. Design parameters for a carbon nanotube (CNT) field-emission device operating on
Juliano Fujioka Mologni   +5 more
doaj  

Improved and simplified design of the relativistic helitron resonator

open access: yesДоклады Белорусского государственного университета информатики и радиоэлектроники, 2020
One of the main trends in microwave electronics is the ultra-large power production. The electron stream energy is converted inside vacuum systems, where the key moment is increasing output power of microwave devices, which is possible only when using ...
A. A. Kurayev, V. V. Matveyenka
doaj   +1 more source

IEEE Electron Device Letters

open access: yes, 2023
This work demonstrates quasi-vertical GaN Schottky barrier diodes (SBDs) on 6-inch Si substrate with a breakdown voltage (BV) over 1 kV, the highest BV reported in vertical GaN-on-Si SBDs to date.
Qin, Yuan   +11 more
core   +1 more source

A self-rectifying HfO x-based unipolar RRAM with Nisi electrode

open access: yes, 2012
10.1109/LED.2011.2181971IEEE Electron Device Letters334585 ...
Kang, J.F.   +22 more
core   +1 more source

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