News tagged with magnetic impurities
Tokamak experiments come clean about impurity transport
A fusion reactor operates best when the hot plasma inside it consists only of fusion fuel (hydrogen's heavy isotopes, deuterium and tritium), much as a car runs best with a clean engine. But fusion fuel reactions ...
Nov 10, 2011 |
4.2 / 5 (5) |
23
|
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 |
5 / 5 (2) |
0
Innovative nanoparticle purification system uses magnetic fields
A team of Penn State University scientists has invented a new system that uses magnetism to purify hybrid nanoparticles -- structures that are composed of two or more kinds of materials in an extremely small ...
Nanotechnology / Bio & Medicine
Sep 06, 2011 |
5 / 5 (2) |
1
|
Researchers put a new spin on atomic musical chairs
Researchers from the National Institute of Standards and Technology and the Naval Research Laboratory have developed a new way to introduce magnetic impurities in a semiconductor crystal by prodding it with ...
Dec 02, 2009 |
5 / 5 (5) |
0
Nanophysicists find unexpected magnetic effect: Kondo effect noted in single-atom contacts of pure ferromagnets
Spanish and U.S. physicists studying nanoelectronics have found that size really does matter when it comes to predicting the behavior of electrical contacts that are just one atom wide.
Apr 29, 2009 |
4.6 / 5 (7) |
0
