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Nanotechnology Now - Press Release: New form of silicon could enable next-gen electronic and energy devices: Novel crystalline form of silicon could potentially be used to create next-generation electronic and energy devices


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Home > Press > New form of silicon could enable next-gen electronic and energy devices: Novel crystalline form of silicon could potentially be used to create next-generation electronic and energy devices
Visualization of the structure of 4H-Si viewed perpendicular to the hexagonal axis. A transmission electron micrograph showing the stacking sequence is displayed in the background.
CREDIT
Image courtesy of Thomas Shiell and Timothy Strobel
Abstract:
A team led by Carnegie s Thomas Shiell and Timothy Strobel developed a new method for synthesizing a novel crystalline form of silicon with a hexagonal structure that could potentially be used to create next-generation electronic and energy devices with enhanced properties that exceed those of the normal cubic form of silicon used today. ....

Department Of Energy , District Of Columbia , United States , Carnegie Li Zhu , Jodie Bradby , Dougal Mcculloch , Carnegie Thomas Shiell , Timothy Strobel , Tim Strobel , Brenton Cook , Steven Denbaars , John Bowers , Thomas Shiell , Australian National University , Research Awards Scholarships Gifts Contests Honors Records , National Science Foundation , Semiconductor Week , Us Department Of Energy , Office Of Science User Facility , Office Of Experimental Sciences , Carnegie Institution For Science , Office Of Science , Argonne National Laboratory , Arrowhead Pharmaceuticals To Participate In Upcoming Conferences , Division Of Materials Research , Wave Inc ,

Nanotechnology Now - Press Release: Magnetism drives metals to insulators in new experiment: Study provides new tools to probe novel spintronic devices


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Home > Press > Magnetism drives metals to insulators in new experiment: Study provides new tools to probe novel spintronic devices
An illustration of two domains (blue and orange) divided by a domain wall (white area) in a material. The magnetic order is designated with organized arrows (electron spins) while the colors represent two different domains (but the same magnetic order). In the material pictured here, the domain walls are conductive and the domains are insulating.
CREDIT
Yejun Fang
Abstract:
Like all metals, silver, copper, and gold are conductors. Electrons flow across them, carrying heat and electricity. While gold is a good conductor under any conditions, some materials have the property of behaving like metal conductors only if temperatures are high enough; at low temperatures, they act like insulators and do not do a good job of carrying electricity. In other words, these unusual material ....

Danielm Silevitch , Yejun Feng , David Mandrus , Thomas Rosenbaum , John Slater , Scotte Cooper , Nevill Francis Mott , Yejun Fang , Patrick Lee , Whitney Clavin , Steven Denbaars , John Bowers , Johns Hopkins University , Nature Communications , University Of Tennessee , National Science Foundation , Home Press Magnetism , Us Department Of Energy , Cabinet Office , Oak Ridge National Laboratory , Arrowhead Pharmaceuticals To Participate In Upcoming Conferences , Wave Inc , Semiconductor Week , Okinawa Institute Of Science , California Institute Of Technology , Okinawa Institute For Science ,