News tagged with magnetic effects
Landmark discovery has magnetic appeal for scientists
A fundamental problem that has puzzled generations of scientists has finally been solved after more than 70 years. An international team of scientists has discovered a subtle electronic effect in magnetite – the most ...
Dec 21, 2011 |
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A 50-year quest to isolate the thermoelectric effect is now over: Magnon drag unveiled
In a paper published in Nature Materials, a group of researchers at the Catalan Institute of Nanotechnology (ICN, Spain) led by Prof. Sergio O. Valenzuela reports the observation of the magnon drag. This w ...
Dec 18, 2011 |
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New magnetic-field-sensitive alloy could find use in novel micromechanical devices
(PhysOrg.com) -- Led by a group at the University of Maryland (UMd), a multi-institution team of researchers has combined modern materials research and an age-old metallurgy technique to produce an alloy that ...
Nov 23, 2011 |
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Current flowing along the edges of a promising quantum device is insensitive to its magnetic impurities
Conductors of electrical current, including copper, heat up and limit the ability to increase circuit densities. Unusual materials that exhibit the so-called ‘quantum spin Hall effect’, in which ...
Sep 30, 2011 |
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Physicists discover 'magnetotoroidic effect'
(PhysOrg.com) -- For many years, scientists have known about the magnetoelectric effect, in which an electric field can induce and control a magnetic field, and vice versa. In this effect, the electric field has always been ...
Sep 26, 2011 |
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Using magnetic fields to control newly identified state of matter could enable more efficient memory devices
Scientists in Japan have shown that the properties of a recently discovered state of matter—a chiral spin liquid—can be controlled by applying a magnetic field1, a concept that could be harnessed ...
Sep 09, 2011 |
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Tunnel view of how electrons play
(PhysOrg.com) -- Electrons behave like football teams: the match becomes interesting when the teamwork is as good as that conjured up by the players of FC Barcelona. Electrons which interact strongly with ...
Jun 21, 2011 |
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New insights on how solar minimums affect Earth
(PhysOrg.com) -- Since 1611, humans have recorded the comings and goings of black spots on the sun. The number of these sunspots waxes and wanes over approximately an 11-year cycle -- more sunspots generally ...
Space & Earth / Space Exploration
Jun 14, 2011 |
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Solar power without solar cells: A hidden magnetic effect of light could make it possible
(PhysOrg.com) -- A dramatic and surprising magnetic effect of light discovered by University of Michigan researchers could lead to solar power without traditional semiconductor-based solar cells.
Apr 14, 2011 |
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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 |
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Coaching with compassion can 'light up' human thoughts (w/ Video)
Coaching happens just about everywhere, and every day, with learning as the goal. Effective coaching can lead to smoothly functioning organizations, better productivity and potentially more profit. In classrooms, ...
Medicine & Health / Neuroscience
Nov 16, 2010 |
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When old is new again: Hall effect associated with electrons also occurs in non-charged particles
(PhysOrg.com) -- Just as electronics revolutionized computing and communications technology, spintronics is touted to follow suit. This relatively new field involves manipulating the flow of a magnetism-related ...
Oct 04, 2010 |
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Probing spin liquids with a new pulsed-magnet system
Entirely new experimental vistas could be opened by a device called a precursor pulsed-magnet system developed by an international team of scientists. This system can generate magnetic fields as high as 30 ...
Aug 30, 2010 |
4.2 / 5 (6) |
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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 |
4.7 / 5 (23) |
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An energy-saving magnetic fridge? Perhaps, but first some basic research
(PhysOrg.com) -- Forget the magnets on your fridge. How about a magnet in your fridge, one that keeps your leftover pizza cold while consuming less energy than today’s refrigerators?
Jul 05, 2010 |
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