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Chemistry World October 29, 2009 Simon Hadlington |
Changes in atomic-scale structures observed in real time The method relies on an electron beam being focused to a spot on the sample material only a few tens of nanometres across and pulsed at a rate of femtoseconds.  |
Chemistry World November 20, 2006 Richard Van Noorden |
Microscopy Enters the Fourth Dimension Researchers have taken electron microscopy into the fourth dimension, by recording atoms darting around on a surface in real time.  |
Chemistry World June 9, 2010 Jon Cartwright |
Laser tracks electrons in molecules The breakthrough suggests that attosecond lasers will soon enable scientists to address problems in chemistry and biology, which until now were too complex for attosecond science.  |
Scientific American April 18, 2005 Kauffmann & van den Bosch |
CT Scan for Molecules Producing 3-d images of electron orbitals.  |
Chemistry World January 31, 2014 Philip Ball |
X-rays set to reveal electrons' dance In principle the very intense, ultra-short x-ray pulses produced by free-electron laser sources will be capable of revealing the motions of electrons in real time as they hop between different energy states in atoms and molecules.  |
IEEE Spectrum June 2008 Saswato R. Das |
Tabletop EUV Light Source South Korean research team demonstrates an economical way to generate EUV light using femtosecond laser pulses.  |
Chemistry World October 14, 2014 James Urquhart |
Good vibrations for electron microscopy The physical and chemical properties of materials will be better understood thanks to researchers who added vibrational spectroscopy to the electron microscope at a spatial resolution of just a few nanometers.  |
Chemistry World December 6, 2006 Lionel Milgrom |
Surf's up for Unstable Electron Beams Controlling short high-energy bursts of plasma electrons is difficult. But now physicists in France have managed it, using a laser to inject electrons into the wake of a plasma wave created from a jet of helium gas.  |
Chemistry World December 15, 2010 Hayley Birch |
New technique probes electron properties of individual atoms A new, low voltage electron microscopy technique allows scientists to discriminate not just between atoms of different elements but between atoms of the same element in different electronic states.  |
Technology Research News September 22, 2004 |
Microscope Etches Ultrathin Lines Researchers have shown that it is possible to match electron beam resolution for organic materials using an ultraviolet laser shown through a near-field optical microscope.  |
Technology Research News April 23, 2003 Eric Smalley |
Silver bits channel nano light Researchers from the California Institute of Technology and the University of Southern California have found a way to guide near-field light over short distances through channels that are several times narrower than the wavelengths of light.  |
Technology Research News March 12, 2003 Kimberly Patch |
Cheap solar power on deck Researchers from the University of California at Santa Barbara have come up with a new type of solar cell that may be much less expensive to manufacture than today's solar cells and can be improved to be nearly as efficient.  |
Chemistry World June 17, 2010 Hayley Birch |
Keeping the heat up for super-efficient solar cells US scientists have found a way to siphon off the 'hot' electrons that are responsible for much of the energy lost in current solar cells.  |
Chemistry World September 20, 2013 James Urquhart |
Microscopy and spectroscopy combined US researchers have developed a new imaging technique which combines the spatial resolution of scanning tunneling microscopy with vibrational information obtained from infrared spectroscopy.  |
Chemistry World October 7, 2010 Simon Hadlington |
New light shed on 'photothermal' cell death Photothermal therapy - where tiny particles of a metal are introduced into a cell and heated by laser light to kill the cell - might not work in the way people think, researchers in the UK have discovered.  |
Chemistry World May 1, 2012 David Bradley |
A colorful way to size up nanoparticles Researchers in China have now developed a straightforward light-scattering technique to estimate the size of gold nanoparticles in the 35 to 110nm range.  |
Chemistry World August 21, 2012 James Mitchell Crow |
Watching single nanoparticles work By shining laser light on the modified tip of an atomic force microscope), researchers in Germany and the Netherlands have been able to watch a catalytic reaction in real time, zoomed right in to the nanoscale.  |
IEEE Spectrum May 2010 Neil Savage |
The Laser at 50 It's the golden anniversary of this fundamental technology  |
Chemistry World October 13, 2011 Phillip Broadwith |
Following Electrons' Chemical Reaction Quickstep The oscillating electronic states of molecules nearby and passing through a conical intersection can now be probed directly.  |
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 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.  |
IEEE Spectrum July 2007 Saswato R. Das |
Power Tool for Making Nanoscale Objects A physics team uses a special electron microscope to carve tiny gold, silver, and aluminum structures a few nanometers across.  |
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.  |
Chemistry World June 24, 2010 Mike Brown |
Movies of molecules in 4D Movies of carbon nanotube bracelets showing their response over time to an external trigger have been recorded enabling greater understanding of not only the 3D structure of the nanotubes, but of how they react and move, say scientists in the US.  |
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 October 12, 2006 Richard Van Noorden |
Lasers on the Energy Ski Slope Researchers have shown that intense laser-light pulses can act as catalysts, controlling the end products of a chemical reaction without themselves being absorbed.  |
Chemistry World July 16, 2009 Jon Cartwright |
Nanoparticles show 'inverse photoconductance' Chemists in the US have created the first material to exhibit 'inverse photoconductance', in which conductance decreases with exposure to visible light.  |
Technology Research News September 22, 2004 |
Nanotubes on Cloth Fire Electrons Researchers have found that nanotubes grown on rough surfaces like carbon cloth can be coaxed to emit electrons using extremely low electric fields.  |
Technology Research News August 27, 2003 |
Tool sketches quantum circuits Researchers from Cambridge University in England and the Massachusetts Institute of Technology have developed a lithographic technique, dubbed erasable electrostatic lithography, that allows a quantum device to be drawn in a few hours rather than a couple of weeks.  |
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  |
Technology Research News March 23, 2005 |
Microdroplet makes mighty microscope Researchers from the University of Maryland have found a way to reach nanometer-scale resolution using something called far-field optics.  |
Chemistry World May 25, 2011 James Urquhart |
Electron remains stubbornly spherical UK scientists have made the most accurate measurements to date of the shape of the electron and found - contrary to predictions that it would be aspherical - that it remains round.  |
Technology Research News January 26, 2005 |
The How It Works Files Nanotechnology: The laws of physics behave differently at very small scales. At the nanoscale, electrons travel more quickly through wires, transistors can mete out electrons one at a time, objects stick to each other, and light can bend matter.  |
Chemistry World February 5, 2015 Matthew Gunther |
Electron microscope turned into makeshift nano-thermometer Scientists in the US have developed a thermometer capable of detecting heat changes at the nanoscale.  |
Chemistry World February 18, 2009 Nina Notman |
Single Nanocatalyst Behaviour Revealed Before you can design the perfect nanoparticle catalyst, you first need to understand the fundamental science that governs their reactivity. U.S. Scientists have said they have done just that.  |
Industrial Physicist Eric Lerner |
Briefs Subfemtosecond control... Three-dimensional, time-resolved videos of turbulent motion are starting to illuminate the process of intermittent intense turbulence... New research shows that not only can micromachines work in a vacuum, they can work much better than in air...  |
Chemistry World August 20, 2008 |
Spying on Self-Assembly Proteins attaching to gold nanoparticles don't mill around randomly, but organise into clusters, according to UK scientists who say they have for the first time spied in detail peptides assembling on a surface.  |
Chemistry World February 19, 2013 Andy Extance |
Insulator pile shows solar potential Stacks of insulating transition metal oxides could effectively convert sunlight into electricity. A team in Austria, has calculated that layering LaVO 3 on a SrTiO 3 base could also deliver advantages conventional semiconductors can't.  |
Technology Research News May 19, 2004 Kimberly Patch |
Solar Crystals Get 2-for-1 Ordinary solar cells are designed to generate one electron for every photon they absorb. Solar cells made from nanocrystals open another possibility -- two electrons for every photon -- that promises to boost the potential amount of energy that can be harvested from the sun.  |
Chemistry World October 30, 2014 Simon Hadlington |
A new way to convert light to electricity By shining light onto metallic nanoparticles, researchers in the US and the Netherlands have demonstrated an entirely new way to generate electrical energy  |
IEEE Spectrum July 2007 Federici et al. |
T-Rays vs. Terrorists Terahertz radiation lets security screeners find bombs and weapons wherever they're hidden.  |
Chemistry World June 5, 2013 Simon Hadlington |
Raman scattering reaches sub-nm resolution Researchers have achieved the highest resolution yet with Raman spectroscopy, allowing the chemical mapping of molecules to a resolution of less than 1nm. The technique could allow unprecedented chemical identification of single molecules.  |
Chemistry World June 7, 2012 Simon Hadlington |
Rethinking redox chemistry Metal oxide redox chemistry may be due a big re-think following new research by US scientists. It seems that it is not solely electrons that are being shunted about. In many, possibly most, cases a proton also comes along for the ride.  |
Chemistry World June 23, 2015 Philip Ball |
Ultra-bright x-rays film molecular reaction A team working at the Stanford Linear Collider in California claims to have made 'the first molecular movie' using ultra-fast x-ray scattering from molecules as they undergo a chemical reaction.  |
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.  |
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 April 21, 2004 Kimberly Patch |
Material Grabs More Sun Silicon solar cells capture only some of the spectrum of sunlight, limiting their efficiency. A mix of several metals and oxygen could lead to solar cells that capture much more sunlight. The key is misaligning the material's crystal structure by infusing it with oxygen atoms.  |
Chemistry World April 17, 2013 Andy Extance |
Electron flashes catch organics in the act Researchers based in Canada, Germany and Japan have overcome the difficulties of collecting diffraction data on small organic molecules to make atomic-scale recordings of their movement.  |
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.  |
Scientific American December 2008 Jesse Emspak |
Chasing Rainbows: Full-Spectrum Photovoltaics From infrared to ultraviolet, a new photovoltaic material responds to the full spectrum of sunlight  |