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226 Current news about the topic carbon nanotubes

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First quantum photonic circuit with electrically driven light source

Researchers overcome limiting factor on the way to an optical quantum computer

28-Sep-2016

Optical quantum computers are what people are pinning their hopes on for tomorrow’s computer technology – whether for tap-proof data encryption, ultrafast calculations involving enormous quantities of data or so-called quantum simulation, which allows highly complex systems to be reproduced on ...

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Researchers find way of developing composites that self-heal at very low temperatures

14-Sep-2016

Scientists have developed a method of allowing materials, commonly used in aircraft and satellites, to self-heal cracks at temperatures well below freezing. The paper, published in Royal Society Open Science, is the first to show that self-healing materials can be manipulated to operate at very ...

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'Evolving electronics' could lead to new electrical devices

06-Sep-2016

Researchers have taken their inspiration from nature to teach materials to form new electrical pathways. They say the finding could eventually lead to new electronic devices. Scientists in Durham University’sSchool of Engineering & Computing Sciencestrained tiny carbon nanotubes, suspended in a ...

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For first time, carbon nanotube transistors outperform silicon

06-Sep-2016

For decades, scientists have tried to harness the unique properties of carbon nanotubes to create high-performance electronics that are faster or consume less power -- resulting in longer battery life, faster wireless communication and faster processing speeds for devices like smartphones and ...

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Nanoribbons in solutions mimic nature

17-Aug-2016

Graphene nanoribbons (GNRs) bend and twist easily in solution, making them adaptable for biological uses like DNA analysis, drug delivery and biomimetic applications, according to scientists at Rice University. Knowing the details of how GNRs behave in a solution will help make them suitable for ...

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Easier, faster, cheaper

A full-filling approach to making nanotubes of consistent quality

18-Jul-2016

Just as many of us might be resigned to clogged salt shakers or rush-hour traffic, those working to exploit the special properties of carbon nanotubes have typically shrugged their shoulders when these tiniest of cylinders fill with water during processing. But for nanotube practitioners who have ...

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A signal boost for molecular microscopy

Cavity-enhanced Raman-scattering reveals information on structure and properties of carbon nanotubes

14-Jul-2016

Carbon nanotubes can be produced with a variety of shapes and properties and are therefore of much interest for widespread applications in fields as diverse as electronics, photonics, nanomechanics, and quantum optics. Hence it is important to have a tool at hand that allows to determine these ...

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Germs add ripples to make 'groovy' graphene

13-Jul-2016

Graphene, a two-dimensional wonder-material composed of a single layer of carbon atoms linked in a hexagonal chicken-wire pattern, has attracted intense interest for its phenomenal ability to conduct electricity. Now University of Illinois at Chicago researchers have used rod-shaped bacteria - ...

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Wireless, wearable toxic-gas detector

Inexpensive sensors could be worn by soldiers to detect hazardous chemical agents

04-Jul-2016

MIT researchers have developed low-cost chemical sensors, made from chemically altered carbon nanotubes, that enable smartphones or other wireless devices to detect trace amounts of toxic gases. Using the sensors, the researchers hope to design lightweight, inexpensive radio-frequency ...

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Hot new solar cell

System converts solar heat into usable light, increasing device’s overall efficiency

26-May-2016

A team of MIT researchers has for the first time demonstrated a device based on a method that enables solar cells to break through a theoretically predicted ceiling on how much sunlight they can convert into electricity. Ever since 1961 it has been known that there is an absolute theoretical ...

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