English news

The culprit of some GaN defects could be nitrogen

ScienceDaily.com: Nanotechnology News - Fri, 06/29/2018 - 19:47
As silicon-based semiconductors reach performance limits, gallium nitride is becoming the next go-to material for several technologies. Holding GaN back, however, is its high numbers of defects. Better understanding how GaN defects form at the atomic level could improve the performance of the devices made using this material. Researchers have taken a significant step by examining and determining six core configurations of the GaN lattice.
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Sintering atomically thin materials with ceramics now possible

NanoWerk.com - Fri, 06/29/2018 - 18:33
For the first time, researchers have created a nanocomposite of ceramics and a two-dimensional material, opening the door for new designs of nanocomposites with such applications as solid-state batteries, thermoelectrics, varistors, catalysts, chemical sensors and much more.

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The culprit of some GaN defects could be nitrogen

NanoWerk.com - Fri, 06/29/2018 - 18:27
Scientists present their findings of examining and determining six core configurations of the GaN lattice.

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New testing finds synergistic combination leads to toxicity in nanomaterials

ScienceDaily.com: Nanotechnology News - Fri, 06/29/2018 - 18:26
A new study finds reason for caution -- a clear emergence of toxicity -- in nanomaterial product formulations, but it also provides an early testing technique that could help the industry continue to move forward.
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Researchers simulate simple logic for nanofluidic computing

NanoWerk.com - Fri, 06/29/2018 - 18:22
Invigorating the idea of computers based on fluids instead of silicon, researchers have shown how computational logic operations could be performed in a liquid medium by simulating the trapping of ions (charged atoms) in graphene (a sheet of carbon atoms) floating in saline solution.

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New coatings make natural fabrics waterproof

NanoWerk.com - Fri, 06/29/2018 - 18:17
Researchers developa process that could offer nontoxic alternative to environmentally harmful chemicals.

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New testing finds synergistic combination leads to toxicity in nanomaterials

NanoWerk.com - Fri, 06/29/2018 - 17:02
A new study finds reason for caution - a clear emergence of toxicity - in nanomaterial product formulations, but it also provides an early testing technique that could help the industry continue to move forward.

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Eradicating cancer with immune cells armed with nanorings

NanoWerk.com - Fri, 06/29/2018 - 16:45
Can we use nanotechnology to transform our own immune cells into cancer serial killers?

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New insights bolster Einstein's idea about how heat moves through solids

NanoWerk.com - Fri, 06/29/2018 - 11:08
New research about the transfer of heat suggests that in thermal insulators, heat is conveyed by atomic vibrations and by random hopping of energy from atom to atom.

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Thin and flexible organic photovoltaic devices engineered to resist both mechanical and thermal stress

NanoWerk.com - Fri, 06/29/2018 - 11:01
Advanced polymer design enables high-performance solar cells to be coated onto textiles.

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Atomic movie of melting gold could help design materials for future fusion reactors

NanoWerk.com - Thu, 06/28/2018 - 21:36
High-speed 'electron camera' shows for the first time the coexistence of solid and liquid in laser-heated gold, providing new clues for designing materials that can withstand extreme conditions.

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New photodetector could improve night vision, thermal sensing and medical imaging

ScienceDaily.com: Nanotechnology News - Thu, 06/28/2018 - 18:51
Using graphene, one of science's most versatile materials, engineers have invented a new type of photodetector that can work with more types of light than its current state-of-the-art counterparts. The device also has superior sensing and imaging capabilities.
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Scientists fine-tune carbon nanotubes for flexible, fingertip-wearable terahertz imagers

ScienceDaily.com: Nanotechnology News - Thu, 06/28/2018 - 18:50
Researchers have developed flexible terahertz imagers based on chemically 'tunable' carbon nanotube materials. The findings expand the scope of terahertz applications to include wrap-around, wearable technologies as well as large-area photonic devices.
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Nanoaggregation on command

NanoWerk.com - Thu, 06/28/2018 - 18:49
Light-controlled reversible aggregation of microtubules mediated by paclitaxel-modified cyclodextrin.

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Building bridges with water molecules

NanoWerk.com - Thu, 06/28/2018 - 17:51
Scientists now have the proof behind the speculations that water molecules can form complex bridge-like structures when they accumulate on mineral surfaces.

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Nanostructured light mixer generates 11 colors simultaneously

NanoWerk.com - Thu, 06/28/2018 - 17:41
A multicolor laser pointer you can use to change the color of the laser with a button click - similar to a multicolor ballpoint pen - is one step closer to reality thanks to a new synthetic nanomaterial.

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New graphene photodetector could improve night vision, thermal sensing and medical imaging

NanoWerk.com - Thu, 06/28/2018 - 14:56
Using graphene, engineers have invented a new type of photodetector that can work with more types of light than its current state-of-the-art counterparts. The device also has superior sensing and imaging capabilities.

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Chemical reactions in the light of ultrashort X-ray pulses from free-electron lasers

NanoWerk.com - Thu, 06/28/2018 - 12:27
Using a ring of 16 detectors and a circularly polarized laser beam, scientists can determine duration and energy of ultra-short, high-intensity X-ray flashes with attosecond accuracy.

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New solar technology with 2D semiconductor nanomaterials

NanoWerk.com - Thu, 06/28/2018 - 12:01
Physicists are developing and testing innovative 2D nanomaterials for possible use as high-efficiency solar cells.

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Strong interactions between photons mediated by a single atom

NanoWerk.com - Thu, 06/28/2018 - 11:40
Physicists observe strong interactions between photons of different colour in an atom-cavity system.

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