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Spin-polarized electrons on demand

Physics / General Physics

created Jan 21, 2009 | popularity 4.7 / 5 (3) | comments 0

Many hopes are pinned on spintronics. In the future it could replace electronics, which in the race to produce increasingly rapid computer components, must at sometime reach its limits. Different from electronics, where whole ...


Spin-polarized electrons on demand

Physics / General Physics

created Jan 15, 2009 | popularity 4.6 / 5 (14) | comments 2

Many hopes are pinned on spintronics. In the future it could replace electronics, which in the race to produce increasingly rapid computer components, must at sometime reach its limits. Different from electronics, where whole ...


Researchers demonstrate 100-watt-level mid-infrared lasers

Physics / Quantum Physics

created Dec 01, 2009 | popularity 4.7 / 5 (12) | comments 0

Northwestern University researchers have achieved a breakthrough in quantum cascade laser output power, delivering 120 watts from a single device at room temperature.


Nanotechnology gets a new light touch

Nanotechnology gets a new light touch

Nanotechnology / Nanophysics

created Oct 02, 2009 | popularity 4.9 / 5 (8) | comments 0

(PhysOrg.com) -- Building the super-fast computers of the future has just become much easier thanks to an advance by Australian researchers that lets them grab hold of tiny electronics components and probe ...


Stretchable Nanotube Films May Advance Medical Electronics

Stretchable Nanotube Films May Advance Medical Electronics (Update)

Nanotechnology / Nanophysics

created May 04, 2009 | popularity 3.6 / 5 (10) | comments 1

(PhysOrg.com) -- One of the issues hindering the development of medical electronic devices capable of being implanted in the human body is the lack of suitable materials. Most semiconducting materials are ...


Researchers Design Triple Quantum Dot for Quantum Information Applications

Researchers Design Triple Quantum Dot for Quantum Information Applications

Nanotechnology / Nanophysics

created Nov 30, 2009 | popularity 4.7 / 5 (18) | 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 ...


Scientists demonstrate laser with controlled polarization

Scientists demonstrate laser with controlled polarization

Physics / Optics & Photonics

created Apr 13, 2009 | popularity 3.7 / 5 (15) | comments 3

Applied scientists at the Harvard School of Engineering and Applied Sciences (SEAS) in collaboration with researchers from Hamamatsu Photonics in Hamamatsu City, Japan, have demonstrated, for the first time, ...


Scientists demonstrate multibeam, multi-functional lasers

Scientists demonstrate multibeam, multi-functional lasers

Physics / General Physics

created Nov 30, 2009 | popularity 4.4 / 5 (7) | comments 0

An international team of applied scientists from Harvard, Hamamatsu Photonics, and ETH Zürich have demonstrated compact, multibeam, and multi-wavelength lasers emitting in the invisible part of the light spectrum ...


Using superconducting probes to get a picture of what it's like inside CNTs

Nanotechnology / Nanophysics

created Nov 20, 2009 | popularity 4.4 / 5 (9) | comments 0

(PhysOrg.com) -- "Carbon nanotubes are exciting for fundamental physics, and for potential technological applications," Nadya Mason tells PhysOrg.com. "However, we are generally limited in the way that we can study them. ...


Will carbon nanotubes replace indium tin oxide?

Nanotechnology / Nanomaterials

created Mar 09, 2009 | popularity 4.9 / 5 (8) | comments 2

(PhysOrg.com) -- Up until now, George Grüner tells PhysOrg.com, most of the studies regarding the properties - and uses - of carbon nanotubes have been restricted to the visible spectral range. “We, however, were interested in the ...


New Hybrid Nanostructure

New hybrid nanostructures detect nanoscale magnetism

Nanotechnology / Nanophysics

created Dec 08, 2008 | popularity 4.5 / 5 (11) | comments 0

A key challenge of nanotechnology research is investigating how different materials behave at lengths of merely one-billionth of a meter. When shrunk to such tiny sizes, many everyday materials exhibit interesting ...


Novel low temperature laser processing of silicon for hybrid organic/inorganic solar cells

Technology / Semiconductors

created May 30, 2007 | popularity 4.2 / 5 (14) | comments 0

Researchers at the Advanced Technology Institute (ATI) at the University of Surrey have reported a new technique to UV laser processing of thin film silicon for applications such as display control circuits and solar cells, ...


Light-speed nanotech: Controlling the nature of graphene

Light-speed nanotech: Controlling the nature of graphene

Nanotechnology / Nanophysics

created Jan 21, 2009 | popularity 5 / 5 (3) | comments 0

Researchers at Rensselaer Polytechnic Institute have discovered a new method for controlling the nature of graphene, bringing academia and industry potentially one step closer to realizing the mass production ...


Scientists demonstrate effect of confining dielectrics on semiconductor nanowire conductivity

Nanotechnology / Nanophysics

created May 05, 2009 | popularity 4 / 5 (2) | comments 1

Researchers at the Harvard School of Engineering and Applied Sciences (SEAS), in collaboration with researchers from Worcester Polytechnic Institute (WPI), have demonstrated, for the first time, that the activation energy ...


Tiny Music Player Made from Wire Bridge

Tiny Music Player Made from Wire Bridge (w/ Video)

Physics / General Physics

created Nov 04, 2009 | popularity 4.2 / 5 (18) | comments 1

(PhysOrg.com) -- In 2008, scientists built a loudspeaker made of carbon nanotubes that produced sound and music based on the thermoacoustic effect. Now, a different team of scientists has built a loudspeaker ...