Magnetic Materials
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Mar 17 | News
Karl A. Gschneidner Jr., a senior metallurgist at Ames Lab, spoke before a House Subcommittee this week, cautioning them that rare-earth R&D in America is “virtually zero”. He went on to say that expertise in rare-earth alloying is crucial to economic performance and that the U.S. has given up much ground to other countries in this area.
Mar 2 | News
Yale Univ. scientists have developed a magnetic solder that can be manipulated in three dimensions and selectively heated, and offers a more environmentally friendly alternative to today’s lead-based solders.
Mar 1 | News
A team led by Univ. of Wisconsin-Madison researchers has developed a new approach for creating powerful nanodevices, and their discoveries could pave the way for other researchers to begin more widespread development of these devices.
Feb 24 | News
The uneasy relationship between magnetism and superconductivity is appreciated by physicists—magnetism both creates and destroys superconductors—but is poorly understood. New findings at Brown Univ. show strange sliding waves in superconductors at 10 Tesla. Never before seen by science, the waves may help quantum-level understanding.
Feb 9 | News
A Princeton-led team of scientists has observed electrons in a semiconductor on the brink of the metal-insulator transition for the first time. Caught in the act, the electrons formed complex patterns resembling those seen in turbulent fluids, confirming some long-held predictions and providing new insights into how semiconductors can be turned into magnets.
Feb 2 | News
Neutron scattering experiments performed at the Department of Energy's Oak Ridge National Laboratory give strong evidence that, if superconductivity is related to a material's magnetic properties, the same mechanisms are behind both copper-based high-temperature superconductors and the newly discovered iron-based superconductors.
Jan 29 | News
Scientists have long studied how atoms and molecules structure themselves into intricate clusters. Unlocking the design secrets of Nature offers lessons in engineering artificial systems that could self-assemble into any desired form. A team from Harvard Univ. presented additional clues to how and why groups of atoms and molecules may favor less symmetrical and more complex, flexible geometric patterns.
Jan 25 | News
A new experiment that reproduces the magnetic fields of the Earth and other planets has yielded its first significant results. The findings confirm that its unique approach has some potential to be developed as a new way of creating a power-producing plant based on nuclear fusion—the process that generates the sun’s prodigious output of energy.
Jan 7 | News
In late December, engineers at Florida State Univ. completed testing of a 36-T magnet, which just edges the 35-T record of the Grenoble High Magnetic Field Laboratory in France. The field, about 1,200 times stronger than a refrigerator magnet, is created used 20 MW.
Jan 6 | News
Reasearchers at Purdue Univ. have created a magnetic "ferropaper" that might be used to make low-cost "micromotors" for surgical instruments, tiny tweezers to study cells and miniature speakers.