Popular Germanium News and Current Events | Page 7

Popular Germanium News and Current Events, Germanium News Articles.
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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)

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)

Bottoms up: Better organic semiconductors for printable electronics
Researchers from NIST and Seoul National University have learned how to tweak a new class of polymer-based semiconductors to better control the location and alignment of the components of the blend. Their recent results could enable the design of practical, large-scale manufacturing techniques for a wide range of printable, flexible electronic displays and other devices. (2008-09-04)

Redesigned material could lead to lighter, faster electronics
Chemists at the Ohio State University have developed a method for making a material that conducts electrons 10 times faster than silicon. (2013-04-10)

Not Schrödinger's Cat: NIST PET phantoms bring new accuracy to medical scans
Teaming with a medical equipment company, NIST researchers have demonstrated the first calibration system for Positron Emission Tomography scanners directly tied to national measurement standards. The new calibration capability can be used to fine-tune PET scanners that find cancers and track the progress of treatments, among other diagnostic applications. It will be used to ensure the accuracy of some of the newest scanners on the market. (2015-07-30)

Nanometric butterfly wings created
A team of researchers from the State University of Pennsylvania and the Universidad Autonoma de Madrid have developed a technique to replicate biological structures, such as butterfly wings, on a nano scale. The resulting biomaterial could be used to make optically active structures, such as optical diffusers for solar panels. (2009-10-08)

A new twist for nanopillar light collectors
Berkeley Lab researchers have created unique dual-diameter nanopillars -- narrow at the top, broad at the bottom -- that absorb light as well or even better than commercial thin-film solar cells, using far less semiconductor material and without the need for anti-reflective coating. (2010-11-17)

Ferroelectricity on the nanoscale
A research effort led by Berkeley Lab scientists has brought some clarity to the here-to-fore confusing physics of ferroelectric nanomaterials, pointing the way to multi-terabyte-per-square-inch of non-volatile computer memory chips. (2012-07-10)

Nanosheets and nanowires
Researchers in China have found a convenient way to selectively prepare germanium sulfide nanostructures, including nanosheets and nanowires, that are more active than their bulk counterparts. (2014-04-01)

New look at layered material lends insight to silicon
Engineers at Ohio State University and their colleagues have taken an unprecedented look at the interface between layers of silicon and other materials in electronic devices. What they have learned may help traditional microelectronics remain vital to industry longer than most experts expect. It may even aid the design of other devices where one material meets another -- including medical implants. (2003-12-01)

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)

Never-before-made material similar to diamonds and ice, says UH professor
Thanks to a University of Houston scientist and his team's research, the chemical element germanium is enjoying a rebound in popularity. Led by Arnold Guloy, a UH chemistry professor, and a team of researchers from UH and the Max Planck Institute for Chemical Physics of Solids in Dresden, Germany, the findings are described in a paper titled (2006-11-28)

Layered polymer films can be 'erased' by external stimuli
Scientists at the University of Illinois have fabricated ultrathin organic films that can be stacked together and (2000-10-03)

Graphene photodetector integrated into computer chip
It has been known for some time that the novel material graphen has very interesting properties which could be used for microelectronics. Now, scientists at the Vienna University of Technology succeeded in combining a graphene sheet with a silicon chip. That way, the conversion between optical and electronic signals can be directly integrated into a computer chip. (2013-09-16)

New processes for cost-efficient solar cell production
Many people answer with a resounding (2012-09-19)

Diamond Find: Carbon, Plus Germanium, Helps Silicon 'Shine,' UD Researchers Say
SEPT. 1, 1997--As computer makers scramble to marry high- speed optical technologies with conventional chips made of silicon--the cheap, sand-type material incapable of 'shining'--University of Delaware researchers today reported a silicon-based device that converts some light into electricity. The key seems to be carbon, the same element responsible for diamond, graphite and coal, according to an article in the new issue of IEEE Electron Device Letters. (1997-08-22)

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