News tagged with electrical insulator
Reversible doping: Hydrogen flips switch on vanadium oxide
If you are not a condensed matter physicist, vanadium oxide (VO2) may be the coolest material you've never heard of. It's a metal. It's an insulator. It's a window coating and an optical switch. And thanks ...
May 21, 2012 |
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Topological insulators: Researchers map path to quantum electronic devices
A team of Duke University engineers has created a master "ingredient list" describing the properties of more than 2,000 compounds that might be combined to create the next generation of quantum electronics ...
May 13, 2012 |
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Long predicted but never observed: A new kind of quantum junction
A new type of quantum bit called a "phase-slip qubit", devised by researchers at the RIKEN Advanced Science Institute and their collaborators, has enabled the world's first-ever experimental demonstration ...
Apr 18, 2012 |
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Third research team close to creating Majorana fermion
(PhysOrg.com) -- Recently there has been a virtual explosion of research efforts aimed at creating the elusive Majorana fermion with different groups claiming to be near to creating them. First there was news that a team ...
Mar 16, 2012 |
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Ageing wooden power poles increase risk of fires
Research at RMIT University has proven conclusively that wooden poles used for electricity distribution deteriorate with age and that their electrical performance worsens over time.
Mar 13, 2012 |
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ORNL finding has materials scientists entering new territory
Solar cells, light emitting diodes, displays and other electronic devices could get a bump in performance because of a discovery at the Department of Energy's Oak Ridge National Laboratory that establishes new boundaries ...
Feb 21, 2012 |
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Graphene's piezoelectric promise
Engineers predict that graphene can be coaxed into acting piezoelectric, merely by punching triangular holes into the material.
Nanotechnology / Nanomaterials
Jan 05, 2012 |
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Plasmonic device converts light into electricity
(PhysOrg.com) -- While the most common device for converting light into electricity may be photovoltaic (PV) solar cells, a variety of other devices can perform the same light-to-electricity conversion, such ...
Nov 09, 2011 |
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Restraint improves dielectric performance, lifespan
Just as a corset improves the appearance of its wearer by keeping everything tightly together, rigidly constraining insulating materials in electrical components can increase their energy density and decrease their rates ...
Oct 25, 2011 |
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Exotic quantum states: A new research approach
(PhysOrg.com) -- Theoretical physicists of the University of Innsbruck have formulated a new concept to engineer exotic, so-called topological states of matter in quantum mechanical many-body systems. They ...
Oct 03, 2011 |
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Creasing to cratering: Voltage breaks down plastic (w/ Video)
A Duke University team has seen for the first time how soft polymers, such as wire insulation, can break down under exposure to electrical current.
Mar 04, 2011 |
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New ways to tune electrical conductivity revealed by electron interaction
Researchers in Japan have demonstrated why the material Sr2IrO4, -- a transition metal oxide -- that was expected to be an electrical conductor is actually an insulator. Harnessing this material’s unusu ...
Jan 07, 2011 |
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Tunable plastic thermometers
(PhysOrg.com) -- Researchers at the Universities of Queensland and New South Wales in Australia have discovered that the ability of a plastic to conduct electricity can be tuned by exposure to an ion beam. ...
Dec 15, 2010 |
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High magnetic fields coax new discoveries from topological insulators
(PhysOrg.com) -- Using one of the most powerful magnets in the world, a small group of researchers has successfully isolated signs of electrical current flowing along the surface of a topological insulator, ...
Nov 23, 2010 |
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Diamonds cutting environmental impact
Diamonds are known as a girl's best friend due to their splendid sparkle, but they are also held in very high regard by industrialists, who prize their unmatched density, excellent thermal conduction and other properties.
Oct 18, 2010 |
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