News tagged with magnetic properties
PhD student solves decade-long mystery of magnetism
Oct 27, 2009 |
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(PhysOrg.com) -- A PhD student from the London Centre for Nanotechnology has won a prize for solving a decade-long mystery central to understanding modern magnetic systems.
Researchers can precisely manipulate polarization in nanostructures
Oct 22, 2009 |
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(PhysOrg.com) -- Researchers from the MESA+ Institute for Nanotechnology at the University of Twente, The Netherlands, working with American researchers, have succeeded in using an electrical signal to control ...
Puzzled Physicists Solve Decade-Long Discrepancies
Oct 09, 2009 |
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(PhysOrg.com) -- A team led by physicists at the Science and Technology Facilities Council (STFC) and Brookhaven National Laboratory (BNL) have resolved a decade-long puzzle that is set to have huge implications ...
Atomic Wire with Protective Sheath: Stable Metal Nanowires One Atom Wide Inside Carbon Nanotubes
Nanotechnology / Nanomaterials
Oct 07, 2009 |
4.8 / 5 (11) |
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(PhysOrg.com) -- Wires with atomic dimensions are potential structural elements for future nanoscopic electronic components. Such fine wires have completely new electronic properties. However, apart from the non-trivial production ...
Using magnetism to turn drugs on and off
Nanotechnology / Bio & Medicine
Sep 18, 2009 |
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(PhysOrg.com) -- Many medical conditions, such as chronic pain, cancer and diabetes, require medications that cannot be taken orally, but must be dosed intermittently, on an as-needed basis, over a long period ...
Magnetic Measurements Question Assumptions About High-Tc Superconductors
Aug 03, 2009 |
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(PhysOrg.com) -- Conquering one of the biggest challenges in the study of high-temperature (high-Tc) superconductors, scientists at the U.S. Department of Energy’s Brookhaven National Laboratory have grown ...
Spanish scientists bring us closer to making the dream of invisibility true
Jul 07, 2009 |
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A group of researchers from the Department of Physics at UAB (Universitat Autonoma de Barcelona, Spain) have designed a device, called a dc metamaterial, which makes objects invisible under certain light - ...
Reversals of Earth's Magnetic Field Explained by Small Core Fluctuations
Apr 23, 2009 |
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(PhysOrg.com) -- Based on studies of old volcanic basalt, scientists know that the Earth’s magnetic field reverses at irregular intervals, ranging from tens of thousands to millions of years. Volcanic basalt ...
Researchers Explore Magnetic Properties of Iron-Based Superconductors
Apr 13, 2009 |
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(PhysOrg.com) -- Scientists at the Naval Research Laboratory have proposed theoretical models to explain the normal magnetic properties in iron-based superconductors. This research was published in the December ...
Through the Wire: A New Nanocatalyst Synthesis Technique
Nanotechnology / Nanomaterials
Mar 16, 2009 |
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(PhysOrg.com) -- Materials containing bimetallic nanoparticles are attractive in vast technological fields because of their unique catalytic, electronic, and magnetic properties. One of the most promising ...
Researchers explore magnetic properties of iron-based superconductors
Mar 16, 2009 |
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Scientists at the Naval Research Laboratory (NRL) have proposed theoretical models to explain the normal magnetic properties in iron-based superconductors. This research was published in the December 21, 2008 ...
Major step toward less energy loss in new electromagnetic materials
Mar 03, 2009 |
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(PhysOrg.com) -- Researchers at Uppsala University have managed for the first time to measure magnetic properties in new materials quantitatively with the help of electron microscopy - with unparalleled precision. ...
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- ...
Spin-polarized electrons on demand
Jan 15, 2009 |
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Many hopes are pinned on spintronics. In the future it could replace electronics, which in the race to produce increasingly rapid computer components, must at sometime reach its limits. Different from electronics, where whole ...
