Similar Articles |
|
Chemistry World September 18, 2007 Simon Hadlington |
Researchers See Electrons in a Spin Scientists in the US have successfully measured the spin polarisation state of single atoms adsorbed to a surface, bringing the prospect of quantum computing and spin-based electronics (spintronics) a step closer. |
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. |
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 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 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. |
Chemistry World October 1, 2014 Philip Ball |
Probing molecules atom by atom A new technique that can 'see' individual spins of electrons and nuclei in single molecules could enable nuclear magnetic resonance spectroscopy atom by atom. |
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 |
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 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. |
Chemistry World October 9, 2007 Richard Van Noorden |
Science Behind Your Hard Drive Scoops Physics Nobel The 2007 Nobel Prize in Physics has been awarded to Frenchman Albert Fert and German Peter Grunberg, for their discovery of giant magnetoresistance. |
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. |
Technology Research News December 15, 2004 |
Scheme Simplifies Quantum Chips Researchers have brought practical quantum computers a step closer by proposing a type of quantum bit that is relatively easy to build. |
Chemistry World January 14, 2009 Hayley Birch |
MRI at the nanoscale US scientists have demonstrated the remarkable power of magnetic resonance imaging (MRI) by adapting it to create 3D nanoscale pictures of a tobacco mosaic virus. |
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 August 11, 2004 Eric Smalley |
Chips measure electron spin Practical quantum computers are at least a decade away, and some researchers are betting that they will never be built. But a pair of recent experiments may prove them wrong. |
IEEE Spectrum September 2007 Lieven Vandersypen |
Dot-to-Dot Design Researchers are connecting tiny puddles of electrons in a chip and making them compute -- the quantum way. |
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. |
IEEE Spectrum March 2008 Prachi Patel-Predd |
A Nanometer-Scale Etch A Sketch Scientists use a microscope to write and erase nanowires. |
IEEE Spectrum July 2011 Joel E. Moore |
Topological Insulators Quantum magic can make strange but useful semiconductors that are insulators on the inside and conductors on the surface |
Industrial Physicist Aug/Sep 2004 Eric J. Lerner |
News: Plasmon microscopy A new technique allows far-field optical microscopy with resolutions well below the wavelength of light. |
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 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. |
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. |
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 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. |
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 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. |
CIO July 15, 2003 John Edwards |
Sensitive Sensors Get those gigs. The State University of New York at Buffalo's Mechanical and Aerospace Engineering Department has developed sensors that could boost hard drive capacity by a factor of 1,000 -- without also driving up price. |
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 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. |
Technology Research News January 1, 2003 Eric Smalley |
Electron pairs power quantum plan Researchers from HP Laboratories and Qinetiq plc in England have mapped out a way to manipulate a pair of very cold electrons that could eventually lead to practical quantum computers made from quantum dots, or tiny specks of the type of semiconductor material used in electronics. |
PC Magazine June 21, 2006 |
Data Cram IBM researchers set new world record by storing 6.67 billion bits of data per square inch of magnetic tape. |
IEEE Spectrum August 2011 Hadjipanayis & Gabay |
The Incredible Pull of Nanocomposite Magnets Nanotechnology could make rare earth magnets even stronger. |
Technology Research News August 11, 2004 |
Single gold atoms altered The gold atom, positioned on an ultrathin film of sodium chloride, remained stable during the operation, despite the change in charge. |
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 March 12, 2003 |
Supersensitive disk drives on tap Being able to move electrons from one place to another more efficiently translates to more sensitive electronics that can read information packed more closely on disk drives. New research paves the way for storage devices that hold several thousand gigabits per square inch. Today's hold 50. |
Technology Research News February 9, 2005 Eric Smalley |
Atomic scopes eye living tissue Researchers have used a scanning probe microscope to look at the structure of a butterfly's wing at a resolution of five nanometers -- just two and a half times the width of DNA molecule -- proving that it is possible to use these microscopes to analyze material from living systems. |
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. |
IEEE Spectrum March 2009 Prachi Patel |
Laser-Heated Hard Drives Could Break Data Density Barrier Scientists at Seagate Technology show that heat-assisted magnetic recording could break the looming terabit-per-square-inch data limit |
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. |
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. |
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. |
IEEE Spectrum March 2009 Neil Savage |
Spintronic Memristors Researchers have made magnetic devices that act like the recently discovered fourth circuit element |
Chemistry World January 20, 2011 Jon Cartwright |
Chemists separate water isomers Chemists in Israel claim to have separated water into its two spin isomers and suggest the outcome could deliver highly sensitive nuclear magnetic resonance experiments. |
Chemistry World March 7, 2010 Simon Hadlington |
Solvated electron mystery solved Researchers have answered a riddle that has been puzzling scientists for decades: why is it that electrons in an aqueous environment appear to exist in two distinct states |
Chemistry World November 21, 2014 Simon Hadlington |
Magnetic resonance taken to the limit Researchers in the US have taken magnetic resonance imaging to its extreme by developing a technique to detect the spin of a single nucleus. |
InternetNews April 26, 2004 Michael Singer |
IBM Takes Nano Chip Design for a 'Spin' A collaboration between IBM and Stanford University could lead to reconfigurable logic devices, room-temperature superconductors and quantum computers. |
IEEE Spectrum February 2013 Rachel Courtland |
Graphene Goes the Distance in Spintronics Experiments push electron-spin signals to record lengths |
Technology Research News January 29, 2003 Kimberly Patch |
Bumpy surface stores data Cramming more data into a given storage device is all about making bits that are extremely small and consistently spaced. Using individual molecules to store bits would be a tremendous leap forward. One molecule gaining researchers' attention is rotaxane. |
Geotimes May 2004 Sara Pratt |
Deciphering Planetary Magnetism Neptune and Uranus both have unusual magnetic fields that tilt at a 60-degree angle toward their equators. Scientists are now able to model the processes that shape the planets' magnetism. |