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Technology Research News July 30, 2003 |
See-through magnets hang tough Researchers from the Independent University of Barcelona (UAB) and the University of Zaragoza in Spain have found a way to form transparent, durable, lightweight magnets that maintain their magnetism in magnetic fields and high temperatures. |
Technology Research News January 1, 2003 Kimberly Patch |
Aligned fields could speed storage Researchers from three institutes in Germany and Russia have found a material whose electric and magnetic domains line up together. The work could bring together the currently separate fields of magnetic and electronic data storage, which would give both methods more flexibility. |
Technology Research News December 11, 2002 Eric Smalley |
Microscopic mix strengthens magnet Magnets are usually an either-or proposition. They either generate a strong magnetic field or they hold up well in the presence of external magnetic fields. A method that mixes the two types of magnets at the nanoscale could pave the way for smaller electric motors and generators. |
Chemistry World August 1, 2010 Phillip Broadwith |
Magnetic foam bends and stretches Flexible lightweight magnetic materials based on cellulose fibres and magnetic nanoparticles have been developed by European scientists. |
Chemistry World July 19, 2011 Jon Cartwright |
Magnetic Sponge Can Squeeze Itself Out Researchers in Japan and Singapore have created a sponge that can wring itself out upon application of a magnetic field. |
Technology Research News February 23, 2005 |
Metal atoms make silicon magnetic Devices made from magnetic semiconductors can make use of the spin of the electron in addition to its charge. These spintronics devices are potentially faster and consume less power than today' electronics. |
Chemistry World February 4, 2011 |
MOF magnets deliver drugs German scientists have encapsulated nanomagnets inside metal organic frameworks. The MOF magnets can be filled with a drug, which is released when a magnetic field is applied. |
Technology Research News March 26, 2003 |
Rubber stamp writes data Scientists from IBM's Almaden research center have found a way to quickly transfer information from a magnetic mask to a magnetic disk. The method promises to make it considerably quicker to format and copy magnetic media in bulk. |
Technology Research News July 13, 2005 |
Magnetics Drives Particle Patterns Researchers have devised a way to use electric and magnetic fields to assemble magnetic microparticles into a wide variety of patterns, including clusters, rings, chains and networks. |
Chemistry World October 27, 2010 Laura Howes |
Single molecule magnets line up Italian researchers claim that they've bound a single molecule magnet to a gold surface, whilst retaining the magnet's properties. |
Reactive Reports Issue 67 David Bradley |
Attractive Changing Colors Chemists have discovered that a simple magnet can be used to change the color of nanoparticles of iron oxide in aqueous suspension. |
Chemistry World February 18, 2009 Lewis Brindley |
Nanomaterials Blossom US researchers have found a new way to use magnetic fields to encourage nanoparticles to self-assemble into unique shapes. |
IEEE Spectrum August 2011 Hadjipanayis & Gabay |
The Incredible Pull of Nanocomposite Magnets Nanotechnology could make rare earth magnets even stronger. |
Chemistry World February 28, 2006 Jon Evans |
Magnetic Appeal of Shape-Change Polymer Polymer scientists developed polymers that change shape in response to a magnetic field by incorporating magnetic iron(III)oxide nanoparticles into a shape-memory polyetherurethane compound known as TFX. |
Technology Research News December 3, 2003 |
Spin material handles heat Researchers from the Royal Institute of Technology in Sweden have doped, or mixed the semiconductor zinc oxide with the metal manganese to make a ferromagnetic semiconductor material that retains its magnetic properties at temperatures as high as 177 degrees Celsius. |
Chemistry World July 13, 2007 Tom Westgate |
Colourful Colloids A simple mixture of iron oxide, a polymer and water can take on any color simply by applying a magnetic field. |
IEEE Spectrum September 2006 Charles Q. Choi |
Nanomagnets to the Rescue If, as seems possible, magnetic nanocomposites can be manufactured directly on chips, engineers could design computers that are smaller and, equally important, cooler than anything available today. |
Popular Mechanics March 2003 Paul Eisenstein |
World's Most Powerful Magnet The "magnetar," or magnetic neutron star known as Soft Gamma Repeater 1806-20, is the most powerful known magnetic object in the universe. While it's unlikely anything man-made will ever come close to the power of a magnetar, it's not for lack of trying. |
Industrial Physicist Oct/Nov 2004 Eric J. Lerner |
Less is More with Aerogels With the lowest density, highest thermal insulation, lowest refractive index, and highest surface area per unit volume of any solid, aerogels exhibit remarkable properties and now this laboratory curiosity is showing some practical uses. |
Technology Research News July 2, 2003 |
Material helps bits beat heat Researchers have discovered a way to shore up magnetic energy that promises bits only a few nanometers across -- the span of a few dozen hydrogen atoms. The method could make it possible to store more than a trillion bits per square inch, according to the researchers. |
Chemistry World November 28, 2007 Richard Van Noorden |
Magnetic Field Detectors for Less Than a Penny Cheap electronic components industrially manufactured in their millions every year are also smart materials that can sense magnetic fields without any external power supply, UK scientists have discovered. |
Chemistry World July 17, 2012 Harriet Brewerton |
Pinning down cancer US scientists have synthesized pin-shaped nanoparticles with magnetic and optical properties. The nanoparticles could be used for magnetic resonance imaging, early detection and photothermal therapy of cancer and other diseases. |
Chemistry World July 11, 2014 Manisha Lalloo |
Plant material aligns to make tough aerogels Japanese scientists have used nanocellulose fibers extracted from plants to create a new type of aerogel that is not only transparent and thermally insulating, but also mechanically tough. |
Technology Research News April 21, 2004 |
Magnets Align Nanotubes in Resin Carbon nanotubes have great potential as components of new materials but aligning the tiny tubes can be tricky. Researchers from the Georgia Institute of Technology and Florida State University have developed a way to orient the nanotubes in a polymer mix using a magnetic field. |
Technology Research News December 31, 2003 |
Shape key to strong sensors Researchers have found a possible explanation for why a pair of semiconducting compounds -- mixes of silver and selenium or tellurium -- are strong magnetic sensors over a wide range of magnetic field strengths. |
Chemistry World December 10, 2007 Killugudi Jayaraman |
Scientists Trap Light in Nano-Soup Physicists in India, have demonstrated how to trap and retrieve light using a soup of micro- and nano-sized magnetic spheres. |
Technology Research News December 1, 2004 |
Smart Dust Gets Magnetic One of the main challenges in making labs-on-a-chip is finding ways to control and mix tiny amounts of liquids. Researchers are using minuscule silicon particles to carry out these tasks. |
Technology Research News January 28, 2004 |
Nanorings promise big memory Researchers have found a way to cause magnetic cobalt nanoparticles to spontaneously assemble into rings that are less than 100 nanometers across. Because the molecule is small, memory made from it could hold a great deal of information. |
Chemistry World July 20, 2012 Simon Hadlington |
New type of chemical bond around dwarf stars The work, led by Trygve Helgaker at the University of Oslo in Norway, not only provides insights into fundamental aspects of electronic interactions with magnetic fields, but also sheds light on the exotic chemistry that exists in stellar environments. |
Chemistry World November 21, 2012 James Urquhart |
Two-faced particles self-assemble in sync US scientists have synchronized the motion of colloidal magnetic spheres with a rotating magnetic field and found that the particles self-organize into micrometer-sized tubes. |
Technology Research News March 9, 2005 |
Avalanches up Disk Storage Researchers have constructed a spin-valve transistor that is more sensitive to microscopic magnetic fields than the devices that read today's commercial hard drives. |
Chemistry World February 11, 2014 Stephen McCarthy |
Multiferroic material breaks symmetry with layers Scientists have made a material capable of both piezoelectric and ferromagnetic behavior. The discovery opens up the possibility of a new class of polarizable and magnetic compounds, and could lead to better devices for storing electronic information. |
Chemistry World January 26, 2012 Simon Hadlington |
The world's first magnetic soap Researchers have created a liquid surfactant that can be moved by a magnet. |
Chemistry World August 23, 2010 James Urquhart |
Growing magnetic leaves A magnetic leaf has been created by researchers in Germany using a simple one-step process to synthesise a complex iron carbide microstructure that mimics the intricate structure of a leaf. |
Chemistry World May 14, 2010 Phillip Broadwith |
Powerful pocket sized NMR magnets Arrangements of chunks of permanent magnetic material that can be tweaked to give strong, uniform fields could open the door to more sensitive and higher resolution portable nuclear magnetic resonance spectrometers, say researchers in Germany. |
Chemistry World October 28, 2014 Simon Hadlington |
Molecular magnet goes ultracool Researchers have succeeded in cooling a molecular magnet to below 1K, the first time this has been achieved with a nanomagnet. |
Science News March 18, 2000 |
Science Safari: Fridge Magnets and Chemistry ...This University of Wisconsin Web site explains how fridge magnets work, shows how you can use such magnets to learn about magnetic force microscopy, and suggests experiments... |
Technology Research News November 3, 2004 |
Square Rings Promise Reliable MRAM Researchers are working on magnetic random access memory chips that hold as much data as standard electronic memory chips. The key to a promising design is a nanowire bent into a circle. |
Chemistry World July 25, 2014 Emma Stoye |
Magnetic nanocubes self-assemble into spirals Scientists have been coaxing nano-sized cubes of magnetite (Fe 3O 4) into larger, more complex structures like helices without using a template by exposing them to a magnetic field. |
Wired April 2001 |
Verge A coalition of 14 fusion-research institutions funded by the US Department of Energy will test whether new generation methods can make magnetic fusion an efficient, affordable source of energy... |
IEEE Spectrum November 2010 Bedair et al. |
Spintronic Memories to Revolutionize Data Storage Superdense MRAM chips based on the bizarre property of electron spin could replace all other forms of data storage |
Chemistry World April 7, 2009 Lewis Brindley |
Cells get in line Magnetic nanoparticles that 'shepherd' cells into neat lines have been designed by American scientists. |
Chemistry World July 13, 2010 Lewis Brindley |
Magnetic micro-machines made from liquid iron Chinese researchers have made microscopic springs and turbines by shining light through ferrofluids - liquids containing iron nanoparticles. |
Reactive Reports Issue 60 David Bradley |
Fried Rust Could Prevent Arsenic Poisoning Arsenic-contaminated drinking water, could one day become a thing of the past thanks to the unexpected discovery of the magnetic properties of rusty nanoparticles. |
Popular Mechanics November 24, 2009 Joe Pappalardo |
Polar Printer Reimagines the Way Magnets Work (With Video!) An invention that can reconfigure the charges of magnets in never-before-seen patterns may lead to new varieties of contact-free attachments and friction-free gears. |
The Motley Fool December 24, 2010 Balachander Suriyanarayanan |
IBM's "Racetrack" Closer to Starting Its Engine A memory technology that could enable a handheld device like an MP3 player to store about 3,500 movies or 500,000 songs is a step closer to commercial viability, researchers at IBM say. |
CIO December 15, 2003 Christopher Lindquist |
Upright Data Storage The engineers charged with finding ever more clever ways to stuff extra bits into a given square inch of magnetic platter are beginning to encounter the physical limits of current techniques. New advances in Perpendicular Magnetic Recording technology, however, may continue the density trend. |
Technology Research News December 11, 2002 Kimberly Patch |
Laser pulses could speed memory Researchers from the Research Institute for Materials in the Netherlands and Siemens AG in Germany have found a way to switch a magnetic bit more quickly. The potential payoff is faster computer memory. |
Chemistry World August 3, 2010 Lewis Brindley |
Nanoparticles and ultrasound team up to treat tumors A new, non-invasive method to deliver drugs to the brain has been developed by Taiwanese researchers. |
Chemistry World June 27, 2010 Simon Hadlington |
Nanoparticles allow remote control of cells In an experiment reminiscent of the mind-control rays that featured prominently in B-movies from the 1950s, scientists in the US have used a magnetic field to alter the behavior of an animal. |