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49 to 60 of 203 stories (30 over past year)
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First High-Temp Spin-Field-Effect Transistor Created
December 23, 2010 — Physicists have announced a breakthrough that gives a new spin to semiconductor nanoelectronics and the world of information ... > full story -
Better Control of Building Blocks for Quantum Computer
December 23, 2010 — Scientists in the Netherlands have succeeded in controlling the building blocks of a future super-fast quantum computer. They are now able to manipulate these building blocks (qubits) with electrical ... > full story -
Electric Current Moves Magnetic Vortices: With the Help of Neutrons, Physicists Discover New Ways to Save Data
December 17, 2010 — One of the requirements to keep trends in computer technology on track -- to be ever faster, smaller, and more energy-efficient -- is faster writing and processing of data. New results could point ... > full story -
A 'Spin Ratchet' Paves the Way for Spin Computers: New Electronic Structure for Generating Spin Current
December 16, 2010 — Scientists have proposed and experimentally demonstrated a ratchet concept to control the spin motion. In analogy to a ratchet wrench, which provides uniform rotation from oscillatory motion, such ... > full story -
Computer Memory Takes a Spin: Physicists Read Data After Storing Them in Atomic Nuclei for 112 Seconds
December 16, 2010 — Physicists have stored information for 112 seconds in what may become the world's tiniest computer memory: magnetic "spins" in the centers or nuclei of atoms. Then the physicists retrieved and read ... > full story -
Elusive Spintronics Success Could Lead to Single Chip for Processing and Memory
December 8, 2010 — Researchers have shown that a magnetically polarized current can be manipulated by electric fields. This important discovery opens up the prospect of simultaneously processing and storing data on ... > full story -
Physicists Demonstrate a Four-Fold Quantum Memory
November 17, 2010 — Researchers have demonstrated quantum entanglement for a quantum state stored in four spatially distinct atomic ... > full story -
Water Could Hold Answer to Graphene Nanoelectronics
October 26, 2010 — Researchers have developed a new method for using water to tune the band gap of the nanomaterial graphene, opening the door to new graphene-based transistors and nanoelectronics. By exposing a ... > full story -
Trapping Charged Particles With Laser Light
October 25, 2010 — Scientists have demonstrated the feasibility of optical trapping for ions, which may lead to a new kind of hybrid quantum ... > full story -
Unexpected Magnetic Order Among Titanium Atoms Discovered
October 18, 2010 — Theoretical work has provided a key to understanding an unexpected magnetism between two dissimilar materials. The results have special significance for the design of future electronic devices for ... > full story -
Safeguarding Data in Future Quantum Computing: Physicists Detect and Control Quantum States in Diamond With Light
October 14, 2010 — Physicists have succeeded in combining laser light with trapped electrons to detect and control the electrons' fragile quantum state without erasing it. This is an important step toward using quantum ... > full story -
Physicists Pave the Way for Graphene-Based Spin Computer; First to Achieve 'Tunneling Spin Injection'
October 14, 2010 — Physicists have taken an important step forward in developing a "spin computer" by successfully achieving "tunneling spin injection" into graphene. In their experiments they found a dramatic increase ... > full story
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