News tagged with magnetic interactions
Scientists pinpoint mechanism to increase magnetic response of ferromagnetic semiconductor
Feb 25, 2009 |
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(PhysOrg.com) -- When squeezed, electrons increase their ability to move around. In compounds such as semiconductors and electrical insulators, such squeezing can dramatically change the electrical- and magnetic- ...
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Argonne scientists discover new class of glassy material
Jul 28, 2008 |
4.5 / 5 (34) |
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(PhysOrg.com) -- Scientists at U.S. Department of Energy's Argonne National Laboratory are dealing with an entirely new type of frustration, but it's not stressing them out.
Physicists Turn to Radio Dial for Finer Atomic Matchmaking
Oct 20, 2009 |
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(PhysOrg.com) -- Investigating mysterious data in ultracold gases of rubidium atoms, scientists at the Joint Quantum Institute of the National Institute of Standards and Technology and the University of Maryland ...
Magnetic Dance of Titan and Saturn To Be Main Attraction during Flyby
Space & Earth / Space Exploration
Dec 14, 2009 |
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(PhysOrg.com) -- When it flies by Saturn's largest moon, Titan, this weekend, NASA's Cassini spacecraft will study the interactions between the magnetic field of Saturn and Titan. The flyby will take place ...
FDA researchers identify new MRI safety risk for patients with pacemakers
Dec 15, 2009 |
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FDA researchers have found that certain cardiac pacemakers may inadequately stimulate a patient's heart while undergoing a magnetic resonance imaging (MRI) scan due to the magnetic pulses mixing with the electronic pulses ...
Delicate Relation between Single Spins
Mar 01, 2007 |
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Probing the magnetic interaction between single atoms is no longer a dream. Using a scanning tunnelling microscope, the interaction of the spins of two neighbouring cobalt atoms adsorbed at a copper surface ...
Duke innovations improve accuracy of MRI as internal 'thermometer'
Oct 16, 2008 |
5 / 5 (1) |
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Duke University chemists say they have developed a new way to measure temperature changes inside the body with unprecedented precision by correcting a subtle error in the original theory underlying Magnetic Resonance Imaging ...
First Glimpse of Star Flip
Feb 26, 2008 |
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An international team of astrophysicists has, for the first time, discovered a star other than the Sun flipping its north and south magnetic poles.
Cluster watches Earth's leaky atmosphere
Space & Earth / Earth Sciences
Aug 28, 2008 |
4.3 / 5 (19) |
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Oxygen is constantly leaking out of Earth’s atmosphere and into space. Now, ESA’s formation-flying quartet of satellites, Cluster, has discovered the physical mechanism that is driving the escape. It turns ...
Nanotechnologists Gain Powerful New Materials Probe
Feb 25, 2009 |
3 / 5 (2) |
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(PhysOrg.com) -- Researchers at the National Institute of Standards and Technology and The Johns Hopkins University have constructed a unique tool for exploring the properties of promising new materials with ...
Magnetism loses under pressure
Jan 29, 2008 |
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Scientists have discovered that the magnetic strength of magnetite—the most abundant magnetic mineral on Earth—declines drastically when put under pressure. Researchers from the Carnegie Institution’s Geophysical ...
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