News tagged with tunnel barrier
Physicists Detect Single-Electron Tunneling with Quantum Dots
(PhysOrg.com) -- Detecting the coherent motion of a single electron is a challenge, for the simple reason of scale: the timescale of the coherent motion of a single-electron wave function is in the picosecond ...
May 06, 2009 |
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Researchers discover a potential on-off switch for nanoelectronics
As electronic circuits shrink from finely etched lines in silicon wafers to nearly elusive proportions, researchers at the U.S. Department of Energy's Lawrence Berkeley National Laboratory and Columbia University ...
Mar 03, 2009 |
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Search results for tunnel barrier
Quantum biology and Ockham's razor
(PhysOrg.com) -- In a paper just published in Nature Chemistry, a team of University of Bristol scientists explores whether new models or concepts are needed to tackle one of the 'grand challenges' of che ...
Feb 06, 2012 |
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Genetic information migrates from plant to plant
Plant scientists were confounded by the fact that the DNA extracted from the plants’ green chloroplasts sometimes showed the greatest similarities when related species grew in the same area. They tried ...
Feb 03, 2012 |
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Pions don't want to decay into faster-than-light neutrinos, study finds
When an international collaboration of physicists came up with a result that punched a hole in Einstein's theory of special relativity and couldn't find any mistakes in their work, they asked the world to ...
Dec 23, 2011 |
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Study settles 125-year debate on how nitrogen-fixing bacteria breaches cell walls of legumes
A 125-year debate on how nitrogen-fixing bacteria are able to breach the cell walls of legumes has been settled. A paper to be published on Monday by John Innes Centre scientists reports that plants themselves allow bacteria ...
Dec 19, 2011 |
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Quantum tunneling results in record transistor performance
(PhysOrg.com) -- Controlling power consumption in mobile devices and large scale data centers is a pressing concern for the computer chip industry. Researchers from Penn State and epitaxial wafer maker IQE ...
Dec 12, 2011 |
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LHC to narrow search for Higgs boson
Scientists at the world's largest atom smasher have new data that shows with greater certainty where to find a long-sought theoretical particle that would help explain the origins of the universe.
Dec 08, 2011 |
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S-t-r-e-t-c-h-i-n-g electrical conductance to the limit
Individual molecules have been used to create electrical components like resistors, transistors and diodes, that mimic the properties of familiar semiconductors. But according to Nongjian (NJ) Tao, a researcher ...
Dec 05, 2011 |
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The impending revolution of low-power quantum computers
By 2017, quantum physics will help reduce the energy consumption of our computers and cellular phones by up to a factor of 100. For research and industry, the power consumption of transistors is a key issue. ...
Nov 22, 2011 |
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New York state may soon suffer outsize effects from climate, says report
(PhysOrg.com) -- In the first statewide climate change outlook for New York, scientists say that the state may suffer disproportionate effects in coming decades compared with other regions, due to its geography ...
Nov 17, 2011 |
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The secrets of tunneling through energy barriers
Electrons moving in graphene behave in an unusual way, as demonstrated by 2010 Nobel Prize laureates for physics Andre Geim and Konstantin Novoselov, who performed transport experiments on this one-carbon-atom-thick material. ...
Nov 07, 2011 |
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List of search results for tunnel barrier
