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magnetic News
Spin-Based Semiconductor Works at Room Temp.
ATHENS, Ohio, Oct. 4, 2006 -- Researchers have created an improved magnetic semiconductor that they said solves an electron problem spintronics scientists have been investigating for years. Unlike classic or vintage electronics that operate on electronic charges, spin-based...
Molecules Take Step Toward Use as Quantum Bits
GARCHING, Germany, Sept. 25, 2006 -- By creating an optical lattice out of several superimposed laser beams, physicists have succeeded in arranging and keeping molecules in a regular array, an important step toward creating a state in which they could possibly store and exchange...
Superconductor Probe Results in Shock
ITHACA, N.Y., Aug. 4, 2006 -- High-temperature superconductors, which conduct electricity without resistance at relatively high temperatures, have been known for 20 years, but how they work is still a mystery. By observing events at the atomic scale, researchers have now found...
'Magnetic Semiconductors' Built, Atom by Atom
IOWA CITY, Iowa, & PRINCETON, N.J., July 28, 2006 -- By using a new technique to replace atoms in a semiconductor with metal atoms -- one atom at a time using a scanning tunneling microscope -- scientists have assembled a magnetic semiconductor. The first-of-its-kind achievement could speed the...
Mercury Atomic Clock Keeps Time with Record Accuracy
BOULDER, Colo., July 20, 2006 -- An experimental optical clock that is based on a single mercury atom is more stable and accurate than the national standard atomic clock that uses a cloud of cesium atoms and would take about 400 million years to gain or lose one second, according...
Freescale Unveils Magnetics-Based Memory Chip
AUSTIN, Texas, July 10, 2006 -- In what some are calling the most significant computer memory development in 10 years, Freescale Semiconductor announced today that it has begun volume production on the industry's first magnetoresistive random access memory (MRAM) device, a chip...
Nano-Based Drug Delivery System Targets Tumors
BUFFALO, N.Y., June 12, 2006 -- A new nanoparticle-based drug delivery system that uses an applied magnetic field to target tumor cells with custom-designed, drug-filled nanocarriers may lead to treatments that could reduce drug accumulation in normal tissues and also take...
Superconductor Potential Found in 'Metal Sandwich'
DURHAM, N.C., May 9, 2006 -- After a lengthy data search for new compounds, researchers at Duke University's Pratt School of Engineering said they have discovered a theoretical "metal sandwich" that is expected to be a good superconductor. Because superconductive materials have...
News Briefs (March 14, 2006)
Mar 14, 2006 — Headwall Photonics of Fitchburg, Mass., announced that its Raman Explorer OEM product was selected by Hamilton Sundstrand’s Applied Instrument Technologies (HS-AIT) group in Pomona, Calif., for use with the company’s new line of process analyzers....
Transistor Could 'Dial in' Quantum Effects
Dec 15, 2005 — HOUSTON, Texas, Dec. 15 -- A team of theoretical and experimental physicists from Rice University is preparing a unique probe in hopes of "dialing in" elusive quantum states called quantum criticalities. The team is using nanotechnology to create a...
Near-Field Solid-Immersion Mirror Records Data Optically
Dec 1, 2005 — Investigators at Seagate Technology’s research laboratory in Pittsburgh have demonstrated a near-field planar solid-immersion mirror that could usher in higher optical data storage densities than what magnetic media offer. The approach offers...
Magnetic Field Can 'Toggle' Carbon Nanotube
May 20, 2004 — CHAMPAIGN, Ill., May 20 -- By threading a magnetic field through a carbon nanotube, scientists have switched the molecule between metallic and semiconducting states, a phenomenon predicted by physicists some years ago, but never before clearly seen...
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May 2024
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