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SKoreans demonstrate spin-injected field effect transistor

Nanotechnology / Nanophysics

created Sep 18, 2009 | popularity 5 / 5 (6) | comments 3

South Korean scientists said Friday they had demonstrated a spin-injected field effect transistor in a high-mobility InAs heterostructure.


Spin polarization achieved in room temperature silicon

Spin polarization achieved in room temperature silicon

Physics / General Physics

created Nov 27, 2009 | popularity 4.9 / 5 (18) | comments 0

(PhysOrg.com) -- A group in The Netherlands has achieved a first: injection of spin-polarized electrons in silicon at room temperature. This has previously been observed only at extremely low temperatures, ...


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 ...


Researchers create all-electric spintronics

Researchers create all-electric spintronics

Nanotechnology / Nanophysics

created Oct 27, 2009 | popularity 5 / 5 (21) | comments 3

A multidisciplinary team of UC researchers is the first to find an innovative and novel way to control an electron's spin orientation using purely electrical means.


Physicists put a new spin on electrons

Physics / General Physics

created Apr 15, 2009 | popularity 4.7 / 5 (15) | comments 4

In the first demonstration of its kind, researchers at the University of British Columbia have controlled the spin of electrons using a ballistic technique--bouncing electrons through a microscopic channel of precisely constructed, ...


New technology may cool the laptop, prof says (w/ Video)

Physics / General Physics

created Oct 29, 2009 | popularity 3.7 / 5 (6) | comments 5

Does your laptop sometimes get so hot that it can almost be used to fry eggs? New technology may help cool it and give information technology a unique twist, says Jairo Sinova, a Texas A&M University physics professor.


Proposed Quantum Computer Consists of Billions of Electron Spins

Proposed Quantum Computer Consists of Billions of Electron Spins

Physics / Quantum Physics

created Sep 09, 2009 | popularity 4.5 / 5 (26) | comments 23

(PhysOrg.com) -- While researchers have already demonstrated the building blocks for few-bit quantum computers, scaling these systems up to large quantum computers remains a challenge. One of the biggest problems ...


French physicists claim breakthrough in ultra-fast data access

Physics / General Physics

created May 31, 2009 | popularity 4.4 / 5 (31) | comments 16

French physicists said on Sunday they had used ultra-fast lasers that could accelerate storage and retrieval of data on hard discs by up to 100,000 times, pointing the way to a new generation of IT wizardry.


New technique improves estimates of pulsar ages

New technique improves estimates of pulsar ages

Space & Earth / Astronomy

created Jun 09, 2009 | popularity 4.3 / 5 (3) | comments 1

Astronomers at the University of California, Santa Cruz, have developed a new technique to determine the ages of millisecond pulsars, the fastest-spinning stars in the universe.


Keep on spinning

Keep on spinning: A persistent spin state that could revolutionize spintronics

Physics / General Physics

created Apr 02, 2009 | popularity 4.2 / 5 (10) | comments 4

(PhysOrg.com) -- By controlling the collective spin state of highly mobile electrons in semiconductors, researchers in the Materials Sciences Division (MSD) at the U.S. Department of Energy's Lawrence Berkeley ...


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 (13) | 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 ...


AFOSR funds super-fast, secure computing

Michigan scientists working on super-fast, secure computing

Physics / Quantum Physics

created Sep 09, 2009 | popularity 4 / 5 (2) | comments 0

Air Force Office of Scientific Research(AFOSR)-supported physicists at the University of Michigan are developing innovative components for quantum, or super-fast, computers that will improve security for data ...


Magnetic Resonance Now Also Comes In Tiny Quantities

Physics / General Physics

created Sep 29, 2009 | popularity 5 / 5 (6) | comments 0

(PhysOrg.com) -- It is now possible to analyse very small samples using Nuclear Magnetic Resonance. Thanks to a specially constructed detector, a 'stripline', greater sensitivity can be achieved while maintaining the same ...


Spintronic -- the new electronic?

Technology / Semiconductors

created Jun 17, 2009 | popularity 4.9 / 5 (10) | comments 2

European researchers have developed novel concept devices using ferromagnetic semiconductors.


Large-scale cousin of elusive 'magnetic monopoles' found at NIST

Large-scale cousin of elusive 'magnetic monopoles' found

Physics / General Physics

created Oct 06, 2009 | popularity 4.2 / 5 (17) | comments 5

(PhysOrg.com) -- Any child can tell you that a magnet has a "north" and a "south" pole, and that if you break it into two pieces, you invariably get two smaller magnets with two poles of their own. But scientists ...