News tagged with spin currents
Team controls thermal fluctuations with spin current
(PhysOrg.com) -- A team of researchers from the NIST Center for Nanoscale Science and Technology, the University of Muenster, and West Virginia University have demonstrated control of magnetic thermal fluctuations ...
Nov 17, 2011 |
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Bismuth-based semiconducting material could enable control of electron spin
In the developing field of spintronics, physicists are designing devices to transmit data using the inherent axial rotation, or spin, of electrons rather than their charge as is used in electronics. Weak coupling ...
Oct 14, 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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Generation of spin current by acoustic wave spin pumping
Tohoku University, Japan Science and Technology Agency (JST) and Japan Atomic Energy Agency (JAEA) announced on August 22, 2011 that Kenichi Uchida, a PhD student, and Professor Eiji Saitoh of Tohoku University and their ...
Sep 26, 2011 |
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Research reveals vital insight into spintronics
(PhysOrg.com) -- Progress in electronics has relied heavily on reducing the size of the transistor to create small, powerful computers. Now spintronics, hailed as the successor to the transistor, looks set ...
Jul 03, 2011 |
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Could the combination of general relativity and quantum mechanics lead to spintronics?
(PhysOrg.com) -- In the early 20th century, two famous discoveries about spin were made. One of them, discovered by Albert Einstein and Wander Johannes de Haas, explains a relationship between the spin of elementary particles. ...
Mar 03, 2011 |
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Creating a pure spin current in graphene
(PhysOrg.com) -- Graphene is a material that has the potential for a number of future applications. Scientists are interested in using graphene for quantum computing and also as a replacement for electronics. However, in ...
Feb 07, 2011 |
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Graphene and 'spintronics' combo looks promising
A team of physicists has taken a big step toward the development of useful graphene spintronic devices. The physicists, from the City University of Hong Kong and the University of Science and Technology of China, present ...
Jan 25, 2011 |
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Device controls, measures spin current injected into semiconductor material
An international research team formed by physicists from Hitachi, the University of Cambridge and University of Nottingham in the UK, Charles University in the Germany, the Institute of Physics (ASCR), in the Czech Republic, ...
Jan 04, 2011 |
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A 'spin ratchet': A new electronic structure for generating spin current
A research team from the Institut Catala de Nanotecnologia (ICN), in Barcelona, Spain, has demonstrated a device that induces electron spin motion without net electric currents, a key step in developing the spin computers ...
Dec 16, 2010 |
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Researchers analyze the future of transistor-less magnonic logic circuits
(PhysOrg.com) -- As one of the newest research areas today, the field of magnonics is attracting researchers for many reasons, not the least being its possible role in the development of transistor-less logic ...
Jun 28, 2010 |
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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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