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Nanotechnology Now - Press Release: NASA Chief Scientist Dr Jim Green to Appear at the Online NSS International Space Development Conference 2021: This Year s Virtual Conference Streams Free to ALL
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Nanotechnology Now - Press Release: Turning the heat on: A flexible device for localized heat treatment of living tissues
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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.
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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 materials go from acting like a
Nanotechnology Now - Press Release: Conductive, durable coatings with graphene nanotubes now available to the Turkish market
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