News tagged with quantum hall
Super-efficient Transistor Material Predicted
(PhysOrg.com) -- New work by condensed-matter theorists at the Stanford Institute for Materials and Energy Science at SLAC National Accelerator Laboratory points to a material that could one day be used to ...
May 15, 2009 |
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European researchers make breakthrough in developing super-material graphene
(PhysOrg.com) -- A collaborative research project has brought the world a step closer to producing a new material on which future nanotechnology could be based. Researchers across Europe, including the UK's ...
Nanotechnology / Nanomaterials
Jan 19, 2010 |
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New study confirms exotic electric properties of graphene
(PhysOrg.com) -- First, it was the soccer-ball-shaped molecules dubbed buckyballs. Then it was the cylindrically shaped nanotubes. Now, the hottest new material in physics and nanotechnology is graphene: ...
Nanotechnology / Nanomaterials
Nov 17, 2009 |
4.8 / 5 (23) |
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Graphene shows strange new behavior better suited for electronic devices
Regarded as a possible replacement for silicon-based semiconductors, graphene, a sheet of pure carbon, has been discovered to have an uncommon and astonishing property that might make it better matched for ...
Nanotechnology / Nanomaterials
Jul 29, 2010 |
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Artificial magnetic fields for light could illuminate correlated quantum systems
(PhysOrg.com) -- In general, the field of many-body physics involves the interactions and collective behavior of large numbers of particles. Scientists have made significant progress in exploring this field, ...
Feb 03, 2010 |
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Researchers create 'synthetic magnetic fields' for neutral atoms
(PhysOrg.com) -- Achieving an important new capability in ultracold atomic gases, researchers at the Joint Quantum Institute, a collaboration of the National Institute of Standards and Technology and the University ...
Dec 02, 2009 |
4.9 / 5 (17) |
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NIST's new scanning probe microscope is supercool
The discoveries of superconductivity, the quantum Hall effect and the fractional quantum Hall effect were all the result of measurements made at increasingly lower temperatures. Now, pushing the regime of ...
Dec 12, 2010 |
4.9 / 5 (14) |
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Scientists discover, visualize exotic electrons on surfaces of unique insulators
(PhysOrg.com) -- In two separate studies, Princeton-led teams of scientists have found a new type of “light-like” electron and visualized for the first time another type that doesn’t bounce back when material imperfections ...
Aug 10, 2009 |
4.8 / 5 (14) |
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Observing the Quantum Hall Effect in 'Real' Space
(PhysOrg.com) -- When water transforms into steam, or magnetized iron changes to demagnetized iron, Katsushi Hashimoto explains to PhysOrg.com, a phase transition is taking place: “Classical phase transitions…often share ...
Jan 12, 2009 |
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Quantum Twist: Electrons Mimic Presence of Magnetic Field
(PhysOrg.com) -- An international team of scientists led by a Princeton University group recently discovered that on the surface of certain materials collective arrangements of electrons move in ways that ...
Feb 12, 2009 |
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Better 'photon loops' may be key to computer and physics advances
Surprisingly, transmitting information-rich photons thousands of miles through fiber-optic cable is far easier than reliably sending them just a few nanometers through a computer circuit. However, it may soon ...
Aug 22, 2011 |
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Cross-Dressing Rubidium May Reveal Clues for Exotic Computing
(PhysOrg.com) -- Neutral atoms--having no net electric charge--usually don't act very dramatically around a magnetic field. But by “dressing them up” with light, researchers at the Joint Quantum Institute, a collaborative ...
Feb 25, 2009 |
4.8 / 5 (8) |
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Charge it: Neutral atoms made to act like electrically charged particles
(PhysOrg.com) -- Completing the story they started by creating synthetic magnetic fields, scientists from the Joint Quantum Institute (JQI), a collaboration of the National Institute of Standards and Technology a ...
Mar 31, 2011 |
5 / 5 (4) |
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Redefining the kilogram and the ampere
New research using graphene presents the most precise measurements of the quantum Hall effect ever made, one of the key steps in the process to redefine two SI units.
Sep 29, 2011 |
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Research gives insight into using graphene in electronics
(PhysOrg.com) -- New findings from the laboratory of University of Illinois researcher Joe Lyding are providing valuable insight into graphene, a single two-dimensional layer of graphite with numerous electronic and mechanical ...
Nanotechnology / Nanomaterials
Sep 22, 2010 |
4.7 / 5 (3) |
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