News tagged with junctions
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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New record voltage for organic solar cells opens the tech to consumer electronics
Molecular Solar Ltd, a spinout company from the University of Warwick, has achieved a significant breakthrough in the performance of solar photovoltaic (PV) cells. They have achieved and demonstrated a record ...
Technology / Energy & Green Tech
Oct 17, 2011 |
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Scientists observe how superconducting nanowires lose resistance-free state
Even with today's invisibility cloaks, people can't walk through walls. But, when paired together, millions of electrons can.
Sep 22, 2011 |
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Einstein's theory applied to superconducting circuits
In recent years, UC Santa Barbara scientists showed that they could reproduce a basic superconductor using Einstein's general theory of relativity. Now, using the same theory, they have demonstrated that the Josephson junction ...
Jun 10, 2011 |
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Physicists measure current-induced torque in nonvolatile magnetic memory devices
(PhysOrg.com) -- Tomorrow's nonvolatile memory devices – computer memory that can retain stored information even when not powered – will profoundly change electronics, and Cornell University researchers ...
Mar 09, 2011 |
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Researchers discover that stem cell marker regulates synapse formation
Among stem cell biologists there are few better-known proteins than nestin, whose very presence in an immature cell identifies it as a "stem cell," such as a neural stem cell. As helpful as this is to researchers, ...
Medicine & Health / Neuroscience
Jan 30, 2011 |
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Physicist develops battery using new source of energy
Researchers at the University of Miami and at the Universities of Tokyo and Tohoku, Japan, have been able to prove the existence of a "spin battery," a battery that is "charged" by applying a large magnetic ...
Mar 11, 2009 |
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Capture of nanomagnetic 'fingerprints' a boost for next-generation information storage media
In the race to develop the next generation of storage and recording media, a major hurdle has been the difficulty of studying the tiny magnetic structures that will serve as their building blocks. Now a team ...
Jan 29, 2009 |
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Nanotube 'sponge' has potential in oil spill cleanup
(Phys.org) -- A carbon nanotube sponge that can soak up oil in water with unparalleled efficiency has been developed with help from computational simulations performed at the Department of Energy's (DOE's) ...
Nanotechnology / Nanomaterials
May 10, 2012 |
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Researchers demonstrate new way to control nonvolatile magnetic memory devices
(Phys.org) -- Cornell researchers have demonstrated a new strategy for making energy- efficient, reliable nonvolatile magnetic memory devices -- which retain information without electric power.
May 07, 2012 |
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Boosting supply of key brain chemical reduces fatigue in mice
Researchers at Vanderbilt University have "engineered" a mouse that can run on a treadmill twice as long as a normal mouse by increasing its supply of acetylcholine, the neurotransmitter essential for muscle contraction.
Medicine & Health / Neuroscience
Dec 20, 2010 |
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Scientists discover mechanism behind superinsulation
(PhysOrg.com) -- Scientists at the U.S. Department of Energy's Argonne National Laboratory have discovered the microscopic mechanism behind the phenomenon of superinsulation, the ability of certain materials ...
Dec 14, 2009 |
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Toshiba develops essential technology for spintronics-based MOS field-effect transistor
(PhysOrg.com) -- Toshiba Corporation today announced that it has developed MOSFET cell based on spin transport electronics, or spintronics, an advanced semiconductor technology that makes use of the spin and ...
Dec 09, 2009 |
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Overdiagnosis since introduction of prostate cancer screening
The introduction of prostate-antigen screening, or PSA, has resulted in over 1 million additional men over the last 23 years being diagnosed and treated for prostate cancer—most of whom were likely overdiagnosed, researchers ...
Aug 31, 2009 |
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High-speed signal mixer demonstrates capabilities of transistor laser
(PhysOrg.com) -- Scientists at the University of Illinois have successfully demonstrated a microwave signal mixer made from a tunnel-junction transistor laser. Development of the device brings researchers ...
Mar 19, 2009 |
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