News tagged with copper materials
Copper-based materials show strange spin states
(PhysOrg.com) -- Just as water, ice, and steam are all phases of the same material that are influenced by temperature and pressure, new research shows how transitions of state work in very simple lattices ...
Mar 28, 2012 |
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Study Yields Surprising New Insight into High-Temp Superconductors
(PhysOrg.com) -- Recently, an international group of researchers discovered that the underlying mechanism producing high-temperature superconductivity in a widely studied class of copper-oxygen-based superconductors may be ...
Mar 17, 2009 |
4.8 / 5 (16) |
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Copper nanowire films could lower touch screen, LED and solar cell costs
Copper nanowires may be coming to a little screen near you. These new nanostructures have the potential to drive down the costs of displaying information on cell phones, e-readers and iPads, and they could ...
Nanotechnology / Nanomaterials
Sep 26, 2011 |
4.7 / 5 (6) |
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Pentagonal tiles pave the way towards organic electronics
(PhysOrg.com) -- New research paves way for the nanoscale self-assembly of organic building blocks, a promising new route towards the next generation of ultra-small electronic devices.
May 06, 2011 |
5 / 5 (8) |
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Researchers observe structural transformations in single nanocrystals
While a movie about giant robots that undergo structural transformations is breaking box office records this summer, a scientific study about structural transformations within single nanocrystals is breaking ...
Jul 08, 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 |
4.7 / 5 (7) |
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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 |
4.7 / 5 (26) |
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Copper Nanowires Enable Bendable Displays, Solar Cells
(PhysOrg.com) -- A team of Duke University chemists has perfected a simple way to make tiny copper nanowires in quantity. The cheap conductors are small enough to be transparent, making them ideal for thin-film ...
Jun 01, 2010 |
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Shear stiffness and friction mechanics of single-layer graphene measured for the first time
Researchers from the University of Bristol have measured and identified for the first time the stress and strain shear modulus and internal friction of graphene sheets. Graphene is a material that has many ...
Nanotechnology / Nanomaterials
Feb 14, 2012 |
4.7 / 5 (3) |
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Researchers create two-segment nanotubes with distinct semiconducting domains
(PhysOrg.com) -- A group of researchers working in Japan has devised a means of creating dual segmented nanotubes where each segment has separate and distinct semiconducting properties. The team describes ...
Nanotechnology / Nanomaterials
Oct 21, 2011 |
5 / 5 (1) |
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Secrets behind high temperature superconductors revealed
(PhysOrg.com) -- Scientists from Queen Mary, University of London and the University of Fribourg (Switzerland) have found evidence that magnetism is involved in the mechanism behind high temperature superconductivity.
Feb 22, 2009 |
3.8 / 5 (24) |
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Putting the Pressure on Iron-Based Superconductors
(PhysOrg.com) -- Traditionally, magnetism and superconductivity don't mix. For more than 20 years, the only known superconductors that worked at so-called "high" temperatures (above 30 K, or about -406 degrees ...
Mar 05, 2009 |
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Conducting ferroelectrics may be key to new electronic memory
(PhysOrg.com) -- Novel properties of ferroelectric materials discovered at the Department of Energy's Oak Ridge National Laboratory are moving scientists one step closer to realizing a new paradigm of electronic memory storage.
Apr 25, 2011 |
4.7 / 5 (3) |
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Researchers reveal how prehistoric Native Americans of Cahokia made copper artifacts (w/ video)
(PhysOrg.com) -- Northwestern University researchers ditched many of their high-tech tools and turned to large stones, fire and some old-fashioned elbow grease to recreate techniques used by Native American coppersmiths who ...
Other Sciences / Archaeology & Fossils
Jun 13, 2011 |
5 / 5 (3) |
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Physicists find fractal boundaries in crystals
Blacksmiths make horseshoes by heating, beating and bending iron, but what's happening to the metal's individual atoms during such a process? Cornell researchers, using computational modeling, are providing ...
Sep 03, 2010 |
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