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nanoscale News
Clemson Physicist Named APS Fellow
Dec 19, 2008 — Clemson University professor of physics and astronomy Apparao Rao has been named a Fellow of the American Physical Society. Fellows are elected by their peers for outstanding contributions to physics, and fellowship is limited to no more than one half of 1 percent of the membership. Rao was recognized for developing methods of synthesizing carbon nanotubes and for elucidating the properties of carbon nanotubes through Raman spectroscopy. Rao and his team have gained international recognition...
Light Drives Nanomachines
NEW HAVEN, Conn., Nov. 26, 2008 -- By combining two emerging fields -- nanophotonics and nanomechanics -- researchers have shown that the force of light can be harnessed to drive machines at the nanoscale. Nanophotonics and nanomechanics make possible the extreme miniaturization...
Method Uses Blurry Images
GAITHERSBURG, Md., Nov. 3, 2008 -- A novel technique under development uses a relatively inexpensive optical microscope and a set of blurry images to quickly and cheaply analyze nanoscale dimensions with nanoscale measurement sensitivity. Termed "through-focus scanning optical...
Lasers Tune Quantum Dots
GAITHERSBURG, Md., Aug. 20, 2008 – In what could be a key development in cryptography applications, researchers from the National Institute of Standards and Technology (NIST) and the Joint Quantum Institute (JQI), a collaborative center of the University of Maryland and NIST, have...
Frozen Smoke in 3-D
BERKELEY, Calif., August 1, 2008 – For the first time, scientists have discovered a way to perform high-resolution x-ray diffraction imaging of an aerogel. Sometimes referred to as “frozen smoke,” aerogels are solid nanoscale foams with a sponge-like structures that are riddled by...
Light Creates Tiny Patterns
PRINCETON, N.J., June 20, 2008 -- The old trick, practiced by schoolboys everywhere, of concentrating a beam of sunlight through a magnifying lens to ignite paper -- or an unfortunate ant -- has been given a new twist. By using a microscopic plastic bead in place of the lens and...
Nanowires Fabbed on Silicon
CAMBRIDGE, Mass., May 9, 2008 -- Nanowire devices have been fabricated by integrating silicon integrated circuits (ICs) manufacturing technology with photolithography. The new technique could lead to the development of a new class of ICs that combine light emitters with silicon...
Particles' Surprising Moves
RALEIGH, N.C., March 3, 2008 -- Microscopic Janus particles -- spheres whose halves are physically or chemically different -- have been found to propel themselves in unexpected ways when an electric field is applied. Researchers at North Carolina State University (NC State) in...
A Small Temperature Probe with a Bright Future
Mar 1, 2008 — To measure temperature on the nanoscale, you need a minuscule thermometer. Now a group of researchers has demonstrated that a fluorescent particle glued to the end of a sharp tip of an atomic force microscope might do the trick. By monitoring...
Optical Tweezer Microfabbed
CAMBRIDGE, Mass., Feb. 25, 2008 -- A new type of optical tweezer consisting of a Fresnel zone plate microfabricated on a glass slide can trap particles without using high-performance objective lenses. It has the potential to make biological and microfluidic force measurements inside...
Ben Pothast Named NanoInk CFO
Feb 20, 2008 — NanoInk Inc. of Skokie, Ill., a developer of nanoscale manufacturing and applications for the life science and semiconductor industries, announced the hiring of Ben Pothast as chief financial officer. Pothast joins NanoInk from Cambridge Major...
Surface Repels Most Liquids
MADISON, Wisc., Feb. 5, 2008 -- The surface of a new material repels virtually all liquids, then absorbs them when a jolt of electricity is applied. Made of tightly packed nanostructures resembling tiny nails, the material could be used in biomedical applications such as...
EUV Laser Light Improved
FORT COLLINS, Colo., Jan. 25, 2008 -- The quality of laser light at extremely short wavelengths has been improved dramatically, a discovery that could prove valuable to the semiconductor industry as it aims to develop faster, light-based computer chips. The discovery covers...
Superblack Material Created
TROY, N.Y., Jan. 23, 2008 -- The darkest material ever made by man absorbs more than 99.9 percent of the light that hits it and could one day be used to boost the efficiency of solar energy conversion, infrared sensors and other devices. The material, created by researchers...
Why Smaller is Stronger
BERKELEY, Calif., Jan. 8, 2008 -- For 50 years scientists have known that as structures made of metal get smaller -- on the scale of millionths of a meter or less -- they get stronger. Many theories have been proposed to explain the phenomenon, but only recently have new imaging...
Nanoionics Boosts Memory
TEMPE, Ariz., Oct. 25, 2007 -- A new, nanotechnology-based “recipe” for making memory has been developed using materials already common in chip manufacturing. This new take on old memory promises to boost the performance, capacity and battery life of consumer electronics from...
Device Counts Single Photons
GAITHERSBURG, Md., Oct. 16, 2007 -- A new transistor uses quantum dots to help it count individual photons (the smallest particles of light). Because it could be easily integrated into electronics and may operate at higher temperatures than other single-photon detectors, it offers...
Unruly Light Waves Tamed
ATLANTA, Oct. 9, 2007 -- Light waves become unstable and unruly as they are pressed through surfaces only a few nanometers apart and smaller than their wavelength, because there just isn't enough room for them to travel in a straight line. This makes the creation of...
Building a Nanostructure Array One Slice at a Time
Oct 1, 2007 — Researchers at Harvard University in Cambridge, Mass., have employed a nanoscale version of skiving — cutting a material into thin layers — to create large-area arrays of patterned metallic structures. By producing frequency-selective surfaces, the...
Thin Films Show Their Stripes
GAITHERSBURG, Md., Oct. 1, 2007 -- Using an array of parallel nanowires called "stripes," materials researchers have demonstrated a spectroscopic technique for measuring the magnetic properties of the edges of thin films. The results may impact the design of future nanoscale...
Nanotube Arrays Make Droplets Jump or Jiggle
Sep 1, 2007 — Since they were first synthesized, carbon nanotubes have attracted considerable attention from the research community for, among other things, their ability to form arrays with nanoscale roughness. This property encourages the entrapment of air...
Paper Becomes Power Source
TROY, N.Y., Aug. 15, 2007 -- By weaving black carbon nanotubes into paper, engineers have created printable, flexible batteries that are more resilient than many existing batteries, yet can be cut, folded and worked just like paper. The rechargeable material could find uses in...
Elektron Acquires Sifam
ESSEX, England, Aug. 13, 2007 -- Elektron plc announced it acquired Sifam Instruments Ltd. for an initial cash payment of £2 million (about $4 million), effective Aug. 8. Essex-based Elektron makes electrical, electromechanical and hard metal components. Sifam of Torquay,...
Harvard Nanotech Center Orders Plasma-Processing Tools from STS
Jul 11, 2007 — Surface Technology Systems plc (STS) announced that it has sold two plasma-processing systems to Harvard University in Cambridge, Mass. The inductively coupled plasma (ICP) and plasma-enhanced chemical vapor deposition (PECVD) tools will be...
STED Microscope Inventor to Receive Springer Prize
Jun 13, 2007 — This year’s recipient of the Julius Springer Prize for Applied Physics is Göttingen, Germany-based researcher Stefan W. Hell for his revolutionary discovery that resolutions far below the diffraction limit can be achieved in a fluorescence...
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June 2024
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