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Inverse woodpile structure has extremely large photonic band gap
As many homeowners know, when stacking firewood, pieces should be placed close enough to permit passage of a mouse, but not of a cat chasing the mouse. Now, imagine a woodpile where all those mouse passageways are packed with ice, the wood carefully removed, and you have an idea of what the latest photonic structure built by researchers at the University of Illinois looks like. (2007-05-21)

Superconducting nanowires assist in study of phase transitions
By creating superconducting nanowires using carbon nanotube molecules, researchers at the University of Illinois are investigating just how small a wire can become and remain a superconductor. The answer could prove useful in applications such as supercomputing, where short superconducting wires can connect circuit elements. (2002-03-18)

With new design, bulk semiconductor proves it can take the heat
Boston College and MIT researchers report a novel nanotech design boosts the conversion efficiency of the bulk semiconductor alloy silicon germanium, improving performance while also reducing the amount of costly materials. (2012-04-25)

Improving lithium-ion batteries with nanoscale research
New research led by an electrical engineer at the University of California, San Diego is aimed at improving lithium-ion batteries through possible new electrode architectures with precise nano-scale designs. The researchers created nanowires that block diffusion of lithium across their silicon surface and promote layer-by-layer axial lithiation of the nanowire's germanium core. (2013-09-30)

Specialised germanium surface as universal protein adapter
Researchers at the Ruhr Universitat Bochum have developed a new method for attaching proteins to the surface of germanium crystals -- for the first time also membrane proteins. This enables time-resolved tracking of the interactions between molecules using infrared spectroscopy in a way that is accurate down to atomic resolution. The method is applied in the EU project (2013-03-08)

A more sustainable way to refine metals
A team of chemists in Canada has developed a way to process metals without using toxic solvents and reagents. The system, which also consumes far less energy than conventional techniques, could greatly shrink the environmental impact of producing metals from raw materials or from post-consumer electronics. (2017-06-07)

New type of nanowires, built with natural gas heating
A new simple, cost-effective approach that may open up an effective way to make other metallic/semiconducting nanomaterials. (2016-01-30)

UW-Madison team invents fast, flexible computer chips on plastic
New thin-film semiconductor techniques invented by University of Wisconsin-Madison engineers promise to add sensing, computing and imaging capability to an amazing array of materials. (2006-07-18)

Mechanical engineering team gets $200K to study increasing capacity of lithium batteries
The National Science Foundation has awarded $200,022 to a research team led by Likun Zhu, an associate professor of mechanical engineering with the School of Engineering and Technology at Indiana University-Purdue University Indianapolis, to overcome problems with one approach to increasing the capacity of lithium ion batteries. (2016-06-29)

Germanium telluride's hidden properties at the nanoscale revealed
Germanium Telluride is an interesting candidate material for spintronic devices. In a comprehensive study at BESSY II, a Helmholtz-RSF Joint Research Group has now revealed how the spin texture switches by ferroelectric polarization within individual nanodomains. (2020-11-06)

Discovery in growing graphene nanoribbons could enable faster, more efficient electronics
Graphene, an atom-thick material with extraordinary properties, is a promising candidate for the next generation of dramatically faster, more energy-efficient electronics. However, scientists have struggled to fabricate the material into ultra-narrow strips, called nanoribbons, that could enable the use of graphene in high-performance semiconductor electronics. Now, University of Wisconsin-Madison engineers have discovered a way to grow graphene nanoribbons with desirable semiconducting properties directly on a conventional germanium semiconductor wafer. (2015-08-11)

Nanowires key to future transistors, electronics
A new generation of ultrasmall transistors and more powerful computer chips using tiny structures called semiconducting nanowires are closer to reality after a key discovery by researchers at IBM, Purdue University and the University of California at Los Angeles. (2009-11-26)

One direction: Researchers grow nanocircuitry with semiconducting graphene nanoribbons
Researchers from the University of Wisconsin at Madison are the first to grow self-directed graphene nanoribbons on the surface of the semiconducting material germanium. This allows the semiconducting industry to tailor specific paths for nanocircuitry in their technologies. Confirmation of the findings was done at Argonne's Center for Nanoscale Materials. (2015-10-13)

The future of electronics -- now in 2-D
The future of electronics could lie in a material from its past, as researchers from The Ohio State University work to turn germanium -- the material of 1940s transistors -- into a potential replacement for silicon. (2015-02-14)

Silicon-germanium microchips may herald new applications from radar to space exploration
Georgia Tech scientists and engineers are pursuing the dictum that (2005-12-13)

Stanford innovation helps 'enlighten' silicon chips
The discovery Stanford researchers in the School of Engineering announce in the Oct. 27 issue of the journal Nature is one that may enable a tiny modulator-a solid-state shutter-made of silicon and germanium. Because silicon and germanium are elements common in semiconductor manufacturing, the modulator could be built into chips easily and cheaply. (2005-10-26)

Peppered with gold
Terahertz waves are becoming more important in science and technology. But generating these waves is still a challenge. A team at Helmholtz-Zentrum Dresden-Rossendorf (HZDR), TU Dresden and University of Konstanz has now developed a germanium component that generates short terahertz pulses with an advantageous property: the pulses have an extreme broadband spectrum and thus deliver many different terahertz frequencies at the same time. The development promises a broad range of applications in research and technology. (2020-03-16)

Using computational chemistry to produce cheaper infrared plastic lenses
A University of Arizona team created the next generation of long-wave infrared plastic lenses. The plastic, a sulfur-based polymer forged from waste generated by refining fossil fuels, is incredibly useful for lenses, window and other devices requiring transmission of infrared light, or IR, which makes heat visible. The new lens material could make IR cameras and sensor devices more accessible to consumers. (2019-10-29)

Researchers demonstrate record-setting p-type transistor
At the IEEE's International Electron Devices Meeting in December, researchers from MIT's Microsystems Technology Laboratories presented a p-type transistor with the highest (2013-01-02)

Twisting light to enable high-capacity data transmission
For the first time, researchers have used tiny gears made of germanium to generate a vortex of twisted light that turns around its axis of travel much like a corkscrew. Because germanium is compatible with the silicon used to make computer chips, the new light source could be used to boost the amount of data that can be transmitted with chip-based optical computing and communication. (2018-12-21)

NPL research shows there could be no end in sight for Moore's Law
The fast pace of growing computing power could be sustained for many years to come thanks to new research from the UK's National Physical Laboratory that is applying advanced techniques to magnetic semiconductors. (2008-12-09)

Research project promises faster, cheaper and more reliable microchips
A project between academia and industry is aiming to spark a world electronics revolution by producing faster, cheaper and more reliable microchips. The University of Newcastle upon Tyne, UK, has joined forces with Atmel, on North Tyneside in the North East of England, to create 'strained silicon' microchips, which involves adding a material called germanium to the traditional silicon used in semiconductor manufacturing. (2003-01-20)

Chemists offer new hydrogen purification method
One of the hydrogen economy's roadblocks to success is the hydrogen itself. Hydrogen needs to be purified before it can be used as fuel for fuel cells, but current methods are not very clean or efficient. Northwestern University researchers have developed a class of new porous materials, structured like honeycomb, that is very effective at separating hydrogen from complex gas mixtures. The materials exhibit the best selectivity in separating hydrogen from carbon dioxide and methane. (2009-02-15)

Annual production of gallium and germanium could be much higher
The global supply potential of the high-tech metals gallium and germanium is much greater than actual annual production levels. This is the main conclusion from Max Frenzel's work. Frenzel, a postgraduate student at the Helmholtz Institute Freiberg for Resource Technology, is one of two recipients of the Bernd Rendel Prize for Geosciences 2016. The prize, awarded by the German Research Foundation, will be presented on Sept. 28 at the annual conference of the German Geological Society in Innsbruck. (2016-08-26)

University of Houston researchers discover new material to produce clean energy
Researchers at the University of Houston have created a new thermoelectric material, intended to generate electric power from waste heat -- from a vehicle tailpipe, for example, or an industrial smokestack -- with greater efficiency and higher output power than currently available materials. (2015-03-03)

Stanford physicist aids search for dark matter deep in Minnesota mine
A consortium of research scientists, including Stanford physicist Blas Cabrera, have built the world's most sensitive WIMP detectors in an attempt to catch some of those mysterious particles of dark matter. Running a clearn-room laboratory a half-mile underground in an old iron ore mine raises challenges of its own. (2008-02-27)

Applied physics as art
Harvard researchers have demonstrated a new way to customize the color of metal surfaces by exploiting a completely overlooked optical phenomenon. For centuries it was thought that thin-film interference effects, such as those that cause oily pavements to reflect a rainbow of swirling colors, could not occur in opaque materials. However, even very (2012-10-14)

Researchers create semiconductor 'nano-shish-kebabs' with potential for 3-D technologies
Researchers at North Carolina State University have developed a new type of nanoscale structure that resembles a (2013-02-19)

Large, good-quality, monatomic sheets of germanene grown simply using annealing
Nagoya University-led researchers have found an easier, scalable way to produce high-quality 2D sheets of germanium, possibly paving the way to industrial-scale production and the advent of the next generation of electronics. (2018-11-15)

Jumping Atoms At The Surface Of A Metallized Semiconductor
Physicists Alexei Glebov and Stefan Vollmer in the group of Professor Peter Toennies at the Max Planck Institute for Fluid Dynamics in Goettingen have succeeded in gaining the first insight into the dynamical behavior of single adatoms on a semiconductor surface at temperatures close to its melting point (Physical Review Letters, 19 April 1999). (1999-04-28)

Glass reveals secrets under pressure
Glass is a mysterious material, but when researchers apply pressure, it reveals secrets. Using a variety of techniques, researchers at the U.S. Department of Energy's Argonne National Laboratory saw for the first time ever, the atomic structure of a dense, purely octahedral glass that has eluded scientists for decades. They also witnessed a continuous structural change in the glass, disproving the theory that tetrahedral glasses go through a distinct transition between low- and high-density phases. (2004-12-13)

Can you see me now? Flexible photodetectors could help sharpen photos
Distorted cell-phone photos and big, clunky telephoto lenses could be things of the past. (2009-01-13)

Defects Are The Spices For Semiconductors
Complete uniformity generates bland food; minute admixtures of spices provide tasty surprise and special quality. This statement holds even more strongly for semicounductors, our materials for modern electronics. The significance of defects in otherwise almost perfect solid materials is described by Hans J. Queisser (Max Planck Institute for Solid-State Research, Stuttgart, Germany) and Eugene E. Haller (University of California at Berkeley, USA) Science (vol. 281, 14 August 1998). (1998-08-20)

Moriches researcher receives national award: Studies nuclear fusion and the sun: How long will it shine?
Chemist Richard L. Hahn of Moriches, N.Y., will be honored on March 28 by the world's largest scientific society for his work with solar neutrinos, high-speed particles from which researchers learn about the sun and nuclear fusion. He will receive the American Chemical Society Award for Nuclear Chemistry at the Society's national meeting in San Francisco. (2000-03-20)

Project pioneers use of silicon-germanium for space electronics applications
A five-year project led by the Georgia Institute of Technology has developed a novel approach to space electronics that could change how space vehicles and instruments are designed. The new capabilities are based on silicon-germanium technology. (2010-11-30)

New light-emitting transistor could revolutionize electronics industry
Professors Nick Holonyak Jr. and Milton Feng at the University of Illinois at Urbana-Champaign have uncovered a light-emitting transistor that could make the transistor the fundamental element in optoelectronics as well as in electronics. The scientists report their discovery in the Jan. 5 issue of the journal Applied Physics Letters. (2004-01-05)

Scientists propose growing better semiconductor crystals in space
Crystals grown in space may be the next big step toward improved semiconductor materials for use in next-generation communication systems and advanced computers, say researchers at the University of Illinois. (2000-05-31)

Glass semiconductor softens with low-power laser, then re-hardens
Scientists at Ohio State University have found that a special type of glass that is finding use in the electronics industry softens when exposed to very low-level laser light, and hardens back into its original condition when the light is switched off. The discovery -- made by accident as physicists were trying to study properties of the material -- may one day enable new uses for the glass. (2004-09-07)

Eindhoven researchers present revolutionary light-emitting silicon
Emitting light from silicon has been the 'Holy Grail' in the microelectronics industry for decades. Solving this puzzle would revolutionize computing, as chips will become faster than ever. Researchers from Eindhoven University of Technology now succeeded: they have developed an alloy with silicon that can emit light. The results have been published in the journal Nature. The team will now start creating a silicon laser to be integrated into current chips. (2020-04-08)

Alloy developed at Sandia National Laboratories has potential for electronics in wells
An alloy that may improve high-temperature electronics in oil, gas and geothermal wells fills a unique niche. (2013-03-19)

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