News tagged with oxidation state
PhD student solves decade-long mystery of magnetism
(PhysOrg.com) -- A PhD student from the London Centre for Nanotechnology has won a prize for solving a decade-long mystery central to understanding modern magnetic systems.
Oct 27, 2009 |
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Roller coaster superconductivity discovered
Superconductors are more than 150 times more efficient at carrying electricity than copper wires. However, to attain the superconducting state, these materials have to be cooled below an extremely low, so-called ...
Aug 18, 2010 |
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Scientists prove unconventional superconductivity in new iron arsenide compounds
(PhysOrg.com) -- Scientists at U.S. Department of Energy's Argonne National Laboratory used inelastic neutron scattering to show that superconductivity in a new family of iron arsenide superconductors cannot ...
Jan 09, 2009 |
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Improvement of superconductors within reach
An international group of physicists from the University of Augsburg in Germany, the University of Florida in Gainesville, and the Niels Bohr Institute at the University of Copenhagen have succeeded in creating ...
Jul 09, 2010 |
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Rare form of silver observed during routine calibration
What started out as an ordinary instrument calibration task using silver turned into research gold for scientists at Pacific Northwest National Laboratory. Contradicting nearly 40 years of measurement history, ...
Dec 20, 2010 |
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Scientists Show How Bacteria Move Electrons Across a Membrane
(PhysOrg.com) -- Scientists at the University of East Anglia, Pacific Northwest National Laboratory, and Pennsylvania State University have demonstrated for the first time the mechanism by which some bacteria ...
Dec 29, 2009 |
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Physicists observe exotic state in an unconventional superconductor
A new fractional vortex state observed in an unconventional superconductor may offer the first glimpse of an exotic state of matter predicted theoretically for more than 30 years. In a paper published in the ...
Jan 13, 2011 |
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Ultrathin copper-oxide layers behave like quantum spin liquid
(PhysOrg.com) -- Magnetic studies of ultrathin slabs of copper-oxide materials reveal that at very low temperatures, the thinnest, isolated layers lose their long-range magnetic order and instead behave like ...
Jun 10, 2011 |
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Setting the stage for life: Scientists make key discovery about the atmosphere of early Earth
Scientists in the New York Center for Astrobiology at Rensselaer Polytechnic Institute have used the oldest minerals on Earth to reconstruct the atmospheric conditions present on Earth very soon after its birth. The findings, ...
Space & Earth / Earth Sciences
Nov 30, 2011 |
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Electron 'pairing': Triplet superconductivity proven experientially for first time
Researchers at Ruhr-Universitat Bochum, Christian-Albrechts-Universitat zu Kiel and Santa Barbara have made the first experimental breakthrough in quantum physics: Their studies on the "pairing behavior" of electrons have ...
Dec 01, 2010 |
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Researchers Identify Problems in the Uranium Bioremediation Avenue
(PhysOrg.com) -- Toxic uranium is often found in soil and groundwater in places where uranium was either mined or enriched to make nuclear fuel and weapons. Uranium contamination, which is a threat to wildlife ...
Mar 26, 2009 |
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Copper chains: Study reveals Earth's deep-seated hold on copper
Earth is clingy when it comes to copper. A new Rice University study this week in the journal Science finds that nature conspires at scales both large and small -- from the realms of tectonic plates down t ...
Space & Earth / Earth Sciences
Apr 05, 2012 |
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Percolating a solution to hexavalent chromium
The metal chromium is an essential nutrient for plant and animal metabolism, but it can accumulate to toxic and hazardous levels in the environment when discharged in industrial waste water; a point made infamous by the movie ...
Oct 12, 2010 |
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Size matters in crucial redox reactions
(PhysOrg.com) -- Particle size has a far more dramatic impact on chemical reactivity than previously thought, according to new research from UC Davis. The results have implications for understanding a wide range of vital ...
Oct 12, 2010 |
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Fingerprinting uranium: X-rays identify mobile, stationary forms of atomic pollutant
(PhysOrg.com) -- Determining if uranium will zip through the soil or not is easier now, thanks to scientists at Pacific Northwest National Laboratory and the University of North Texas. Dr. Eugene Ilton and ...
Chemistry / Analytical Chemistry
Dec 19, 2011 |
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