News tagged with electron emitter


Scientists fabricate first plasma transistor

Scientists fabricate first plasma transistor

Physics / Plasma Physics

created Nov 12, 2008 | popularity 4.2 / 5 (84) | comments 8

Since their development in the 1940s, transistors have been at the heart of computers and other modern electronic devices. Transistors - whose job is to start, stop, or amplify electric current - come in all ...


New plasma transistor could create sharper displays

New plasma transistor could create sharper displays

Physics / Plasma Physics

created Feb 04, 2009 | popularity 4.7 / 5 (9) | comments 2

(PhysOrg.com) -- By integrating a solid-state electron emitter and a microcavity plasma device, researchers at the University of Illinois have created a plasma transistor that could be used to make lighter, ...





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IMEC presents large area solar cells with 18.4% conversion efficiency, featuring Cu-plated contacts

IMEC presents large area solar cells with 18.4% conversion efficiency, featuring Cu-plated contacts

Technology / Semiconductors

created Sep 22, 2009 | popularity 4 / 5 (4) | comments 0

At the European Photovoltaic Solar Energy Conference (Hamburg, Germany), IMEC presents a large-area solar with a conversion efficiency of 18.4%.


Carbon nanotube polymer nanocomposites for field emission cathodes

Nanotechnology / Nanomaterials

created Apr 09, 2009 | popularity 5 / 5 (1) | comments 0

A collaboration between researchers at the University of Surrey’s Advanced Technology Institute (ATI) and the School of Physics at Trinity College Dublin have discovered that you can produce a composite of carbon nanotubes ...


High-speed signal mixer demonstrates capabilities of transistor laser

High-speed signal mixer demonstrates capabilities of transistor laser

Physics / General Physics

created Mar 19, 2009 | popularity 5 / 5 (1) | comments 0

(PhysOrg.com) -- Scientists at the University of Illinois have successfully demonstrated a microwave signal mixer made from a tunnel-junction transistor laser. Development of the device brings researchers ...


To peer inside a living cell

To peer inside a living cell

Physics / General Physics

created Oct 06, 2009 | popularity 5 / 5 (11) | comments 3

(PhysOrg.com) -- Quantum mechanics could help build ultra-high-resolution electron microscopes that won't destroy living cells, according to MIT electrical engineers.


Toshiba and Canon Announce SED Flat-Panel TVs Launch Plan

Electronics /

created Mar 08, 2006 | popularity 4.4 / 5 (17) | comments 0

Toshiba Corporation and Canon Inc. today announced that they will start the first stage of mass production of SED panels in July 2007 and launch SED TVs in the 4Q of calendar year 2007. SED, the Surface-conduction Electron-emitter ...


The Spin Cycle: Nanoresearch could lead to next generation of transistors

The Spin Cycle: Nanoresearch could lead to next generation of transistors

Nanotechnology / Nanophysics

created Oct 20, 2009 | popularity 4.9 / 5 (11) | comments 0

(PhysOrg.com) -- For decades, the transistors inside radios, televisions and other everyday items have transmitted data by controlling the movement of the electron’s charge. Scientists now have discovered ...


LG to Launch 15-inch OLED TV

LG to Launch 15-inch OLED TV

Electronics / Consumer & Gadgets

created Sep 01, 2009 | popularity 4.7 / 5 (20) | comments 5

(PhysOrg.com) -- The Korean company, LG Electronics, the second largest television manufacturer in the world, has announced it will launch a 15-inch organic display TV set in early September. The announcement, ...


Researchers Design Triple Quantum Dot for Quantum Information Applications

Researchers Design Triple Quantum Dot for Quantum Information Applications

Nanotechnology / Nanophysics

created 12 hours ago | popularity 4.9 / 5 (7) | comments 0

(PhysOrg.com) -- While quantum dots have existed since the 1980s, only in the past decade have physicists successfully created lateral few-electron single quantum dots. These quantum dots enable physicists ...


Electron self-injection into an evolving plasma bubble

Electron self-injection into an evolving plasma bubble

Physics / Plasma Physics

created Nov 02, 2009 | popularity 4.8 / 5 (4) | comments 1

Particle accelerators are among the largest and most expensive scientific instruments. Thirty years ago, theorists John Dawson and Toshiki Tajima proposed an idea for making them thousands of times smaller: ...


'Nanospears' could lead to better solar cells, lasers, lighting

'Nanospears' could lead to better solar cells, lasers, lighting

Nanotechnology / Nanomaterials

created Aug 11, 2009 | popularity 5 / 5 (14) | comments 2

(PhysOrg.com) -- Growing - and precisely aligning - microscopic, spear-shaped zinc oxide crystals on a surface of single-crystal silicon, researchers at Missouri University of Science and Technology may have ...



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