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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. |
Technology Research News November 17, 2004 |
Atom Flip Energy Measured Scientists have measured the energy required to flip the magnetic orientation, or spin of a single atom trapped on a surface. |
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. |
IEEE Spectrum January 2007 Elizabeth Svoboda |
Fresh Spin On Logic In the last few years, a new type of memory has begun to penetrate the market for nonvolatile data storage. In addition to being much faster, spintronics processors could be much smaller than present-day processors. |
Technology Research News July 30, 2003 |
Electricity loosens tiny bits Researchers have found a way to make flipping small bits easier. The electrically-assisted magnetization reversal process weakens the magnetization of a ferromagnetic semiconductor's magnetization by applying a pinpoint electric field, making the magnetization of individual bits easier to flip. |
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 July 1, 2011 Jon Cartwright |
Liquid Cement Turns Liquid Metal When an alkali metal is dissolved in ammonia, the result is free electrons. |
Technology Research News January 14, 2004 |
Hardy molecule makes memory In what may mark an advance in the quest for ever-higher data-storage density, researchers from the University of California have shown that a type of porphyrin molecule holds up under temperatures as high as 400 degrees Celsius and after being written to and read from trillions of times. |
CIO August 15, 2003 John Edwards |
Spin Control Spintronics might sound like the name of a long-lost '80s pop band, but it's actually a scientific field that may someday lead to more compact and useful mobile devices. |
Technology Research News June 1, 2005 |
Magnetic Resonance Goes Nano Researchers have built a nuclear magnetic resonance device that has the potential to overcome the quantum bit limit because it is small enough to fit on a computer chip. |
Technology Research News May 18, 2005 Eric Smalley |
Nanotube Memory Scheme is Magnetic Researchers have designed a type of nanotube flash memory that has a potential capacity of 40 gigabits per square centimeter and 1,000 terabits per cubic centimeter. |
Technology Research News December 17, 2003 |
Chemists grow nano menagerie Researchers from Sandia National Laboratories have found a simple way to make tiny, complicated shapes from zinc oxide, including arrays of vertically-aligned rods, flat disks, and columns that resemble stacks of coins. |
Technology Research News November 3, 2004 Eric Smalley |
Single Field Shapes Quantum Bits Researchers have recently realized that it may be possible to control the electrons in a quantum computer using a single magnetic field rather than having to produce extremely small, precisely focused magnetic fields for each electron. |
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. |
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. |
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. |
Reactive Reports December 2003 David Bradley |
Airy magnets Spanish researchers have created a new type of magnetic material that is ultra-light and transparent. The airy magnets could have applications in flat screen displays and magneto-optical memory devices for computers. |
Technology Research News November 5, 2003 |
Electrons spin magnetic fields Spintronics researchers are looking for ways to control and use electron spin. Researchers from Cornell University and Yale University have brought the field a step forward by showing that a flow of electrons that all have the same spin can transfer angular momentum to magnetic material. |
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. |
Reactive Reports David Bradley |
Foaming Carbon Magnets Researchers have discovered that carbon nanofoams are attracted by a magnet - they are ferromagnetic. |
Technology Research News December 19, 2005 |
Quantum computing: qubits Quantum bits, or qubits, are the quantum equivalent of the transistors that make up today's computers. There are four established qubit candidates: ion traps, quantum dots, semiconductor impurities, and superconducting circuits. |
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. |
Technology Research News April 23, 2003 |
Casting yields non-carbon nanotubes Researchers from the University of California at Berkeley have developed a method of making minuscule tubes of gallium nitride that have useful electrical and optical properties. |
Technology Research News September 10, 2003 Eric Smalley |
Electron teams make bigger qubits Making quantum computers from electronic chips rather than cumbersome laboratory equipment requires control over individual electrons. A scheme that has a string of electrons acting as one could ease the task by expanding the target to a whopping 250 millionths of a millimeter. |
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. |
Technology Research News February 23, 2005 |
Light writes data in electrons Researchers developed a spin memory device that writes data as electron spins using lasers, stores the electrons in quantum dots, and reads spin information by applying a voltage to the quantum dots to generate photons. |
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. |
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. |
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 April 7, 2004 |
Nano ribbons coil into rings Researchers from the Georgia Institute of Technology have found a way to coax microscopic zinc oxide ribbons to spontaneously coil, slinky-like, into perfect rings. |
Technology Research News January 26, 2005 |
Metals Speed Clear Circuits Researchers have improved the performance of a new type of transparent transistor. The zinc tin oxide thin-film transistor is transparent, difficult to scratch, and conducts electricity an order of magnitude faster than previous efforts using the same class of material. |
Technology Research News January 26, 2005 |
Magnetic Logic Becomes Practical Researchers from Stanford University have improved a way to program magnetic random access memory (MRAM) to carry out computations. |
Technology Research News October 8, 2003 Eric Smalley |
Magnetic memory makes logic Magnetic memory will soon put an end to the daily annoyance of waiting while your computer boots up from its hard disk. These chips that hold data when the power is off might also be capable of a lot more. Adding a few extra wires to each memory cell could turn the chips into efficient computer processors. |
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. |
IEEE Spectrum May 2011 Wager & Hoffman |
Thin, Fast, and Flexible Semiconductors Amorphous oxide semiconductors promise to make flat-panel displays faster and sharper than today's silicon standby. |
IEEE Spectrum March 2009 Neil Savage |
Spintronic Memristors Researchers have made magnetic devices that act like the recently discovered fourth circuit element |
Chemistry World August 19, 2010 James Urquhart |
Strain creates rare type of magnet Scientists have created the world's strongest ferroelectric ferromagnet - a rare material that is electrically polarised while also having a permanent magnetic field. |
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 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. |
IEEE Spectrum February 2010 Willie D. Jones |
A Compass in Every Smartphone Cheaper, better electronic compasses bring augmented reality and other features to your handset. |
InternetNews April 5, 2010 |
Semiconductor Sales Dip Slightly in February Worldwide chip sales fell 1.3 percent last month, but that's not much cause for concern considering revenue is up more than 54 percent from last year's low. |
Chemistry World April 7, 2011 |
Molecular Fridge Can Reach Millikelvin Scientists have laid the foundations for a high-performance 'molecular fridge' capable of reaching temperatures within a few thousandths of a degree of absolute zero with a high degree of efficiency. |
Technology Research News October 17, 2005 |
Data storage technologies Today's magnetic disk drives could be improved by incorporating much larger magnetoresistance or replaced by microelectromechanical systems (MEMS), near-field optics, holographic systems, or even molecules for better data storage solutions. |
IEEE Spectrum April 2011 Neil Savage |
Diodes Built Inside Fiber More complex nanocircuits possible, say engineers. |
Chemistry World September 25, 2007 Richard Van Noorden |
Magnetic Dreams Disputed Magnetochemists are disputing the breakthrough discovery of a metal-organic material which its inventors claimed to be magnetic at room temperature and stable in air. |
Chemistry World November 22, 2012 Jon Cartwright |
Magnesium oxide might be liquid in super-Earths There may be more planets outside our solar system with protective magnetic fields than previously thought. That's the implication of a US study, which has demonstrated that the common planetary mineral magnesium oxide turns into a metallic liquid at high pressure. |
Chemistry World January 25, 2012 Kate McAlpine |
Conjuring graphene oxide from thin air Researchers on the hunt for a better way to recycle carbon dioxide have turned it into graphene oxide. |
Chemistry World March 3, 2010 Jon Cartwright |
Hydrocarbon turns superconductor Researchers in Japan have created the first superconducting material based on a molecule of carbon and hydrogen atoms. |
Reactive Reports Issue 30 David Bradley |
Alloys spring to mind Alloys that 'remember' their original shape after being deformed and revert to it on heating are widely used in many diverse applications. Now, researchers have deposited a range of Ni-Mn-Ga alloys with different compositions simultaneously on to silicon substrates. |
Technology Research News February 25, 2004 |
Hot tip boosts disk capacity Many research efforts are aimed at increasing the amount of information that can be stored in a given area of magnetic media like computer disks. One challenge is making smaller magnetic bits that are stable at room temperature. |