News tagged with oxidation state
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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New study queries interactions of metal-reducing bacteria with plutonium oxide
(PhysOrg.com) -- Recent work by scientists at Pacific Northwest National Laboratory has shed new light on the perplexing environmental chemistry of plutonium. They demonstrated that under anaerobic, or oxygen-free, ...
Mar 19, 2012 |
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Functional oxide thin films create new field of oxide electronics
Researchers from North Carolina State University have developed the first functional oxide thin films that can be used efficiently in electronics, opening the door to an array of new high-power devices and smart sensors. ...
Mar 07, 2012 |
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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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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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Researchers demonstrate an electrochromic nanoplasmonic optical switch
In a recent article in Nano Letters, CNST researchers describe a new high-contrast, low operating-voltage, electrochemical optical switch that uses a volume of active dye orders-of-magnitude smaller than that of conventional electr ...
Sep 01, 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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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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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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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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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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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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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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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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Nanoparticle scientist speaks on new discoveries at Goldschmidt Conference
Scientists who work at the atomic and molecular levels - nanoscale - have to think big. After all, it is at this level where everything happens.
Nanotechnology / Nanomaterials
Jun 16, 2010 |
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