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A catalytic flying carpet

NanoWerk.com - Wed, 01/02/2019 - 23:06
Chemical engineering researchers develop self-powered microfluidic sheet that wraps, flaps and creeps.

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Rippling under pressure - when layered materials are pushed to the brink

NanoWerk.com - Wed, 01/02/2019 - 22:58
By studying the behavior of a deck of cards, and stacks of other materials, like steel and aluminum, scientists are proving the existence of a buckling phenomenon that happens inside layered materials when they are put under pressure. The discovery could shape the way researchers study the way things deform under pressure.

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Quantum chemistry on quantum computers

NanoWerk.com - Wed, 01/02/2019 - 17:27
A quantum algorithm for tracking complex chemical reactions with neither performing demanding post-Hartree-Fock calculations nor exponential time explosion.

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Graphene-based implant overcomes technical limitation to record brain activity at extremely low frequencies

NanoWerk.com - Wed, 01/02/2019 - 15:29
Researchers have developed a graphene-based implant able to record electrical activity in the brain at extremely low frequencies and over large areas, unlocking the wealth of information found below 0.1 Hz. The groundbreaking technology promises to enhance our understanding of the brain and pave the way for the next generation of brain-computer interfaces.

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Researchers discover a metamaterial with inherently robust sound transport

NanoWerk.com - Tue, 01/01/2019 - 15:30
The novel property may enable acoustic and ultrasound devices that are more resilient to noise, disorder and fabrication imperfections.

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Physicists record 'lifetime' of graphene qubits

NanoWerk.com - Tue, 01/01/2019 - 15:21
First measurement of its kind could provide stepping stone to practical quantum computing.

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Ultrathin digital camera inspired by Xenos peckii eyes

NanoWerk.com - Mon, 12/31/2018 - 14:41
The visual system of Xenos peckii, an endoparasite of paper wasps, demonstrates distinct benefits for high sensitivity and high resolution, differing from the compound eyes of most insects. Taking their unique features, researchers developed an ultrathin digital camera that emulates the unique eyes of Xenos peckii.

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New version of memory could power AI phones, smart devices

NanoWerk.com - Mon, 12/31/2018 - 10:55
For the first time, researchers have successfully developed a new version of phase-change memory that reduces the switching time and allows memory cells to produce excellent stability. The new type of phase-change memory can be as fast as state-of-the-art RAM chips being considered to power artificial intelligence (AI) in phones, and it could also be used to power a range of other smart devices. The new version of phase-change memory could be manufactured with a cheap process: The procedure uses a normal voltage pulse and requires no additional special materials.

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Researchers explore the prospects for creating photonic integrated circuits

NanoWerk.com - Sat, 12/29/2018 - 10:34
New research refutes claims of plasmon amplification on the non-stationary graphene surface, thus providing the groundwork for the theoretical description of electromagnetic phenomena in non-stationary microwaveguides.

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Give it the plasma treatment: Strong adhesion without adhesives

NanoWerk.com - Sat, 12/29/2018 - 10:21
Researchers bond polymers to glass and metal by using surface chemistry rather than adhesives, opening doors to potential use in food production and medicine.

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Metamaterials lead the way to treatments by travelling through 'innerspace'

NanoWerk.com - Fri, 12/28/2018 - 15:09
The films Innerspace (1987) and Fantastic Voyage (1966) saw microscopic motors whirling through the human body to check and improve its health. Minus the human pilots, similar mini molecular machines could soon bring the curative powers of these sci-fi classics closer to reality.

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Electronics of the future: A new energy-efficient mechanism using the Rashba effect

NanoWerk.com - Thu, 12/27/2018 - 19:38
Scientists proposed new quasi-1D materials for potential spintronic applications, an upcoming technology that exploits the spin of electrons. They performed simulations to demonstrate the spin properties of these materials and explained the mechanisms behind their behavior.

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Silver nanowires promise more comfortable smart textiles

NanoWerk.com - Thu, 12/27/2018 - 19:28
Scientists have developed a simple, scalable and low-cost capillary-driven self-assembly method to prepare flexible and stretchable conductive fibers that have applications in wearable electronics and smart fabrics.

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Broadband nonlinear photoresponse of 2D titanium disulfide for ultrashort pulse generation and all-optical thresholding devices

NanoWerk.com - Thu, 12/27/2018 - 12:34
Motivated by the outstanding performance of graphene, graphene-like 2D materials have been intensively investigated, such as topological insulators, transition metal dichalcogenides (TMDs) and black phosphorous. Recently, 2D titanium disulfide, a typical TMD, is found to have strong light absorption properties from visible to infrared region, which is highly attractive for applications in nonlinear photonics. Researchers have fabricated a novel saturable absorber device is successfully fabricated based on 2D TiS2 nanosheets for ultrashort pulse generation and all-optical thresholding at the communication band.

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Nano-magnets reduce energy consumption of MRAM and AI hardware

NanoWerk.com - Thu, 12/27/2018 - 11:50
Researchers efficiently control magnetic pole direction in nano-magnets using heat, amplifying microwave signals.

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Illuminating nanoparticle growth with X-rays

NanoWerk.com - Thu, 12/27/2018 - 11:38
Ultrabright x-rays reveal key details of catalyst growth for more efficient hydrogen fuel cells.

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Swiss researchers boost efficiency of flexible solar cells to new world record - Record efficiency of 18.7% for flexible CIGS solar cells on plastics

NanoTechWire - Tue, 10/31/2017 - 17:00
To make solar electricity affordable on a large scale, scientists and engineers worldwide have long been trying to develop a low-cost solar cell, which is both highly efficient and easy to manufacture with high throughput.
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Evidence for Graphene-Sheet-Driven Superconducting State in Graphite Intercalation Compounds

NanoTechWire - Tue, 10/31/2017 - 17:00
Graphite intercalation compounds (GICs) are formed by the insertion of arrays of guest species between the layered sheets of the graphite host. This can greatly modify the electronic properties of the graphite and can lead to interesting phenomena, for example, superconductivity.
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Experiments Settle Long-Standing Debate about Mysterious Array Formations in Nanofilms

NanoTechWire - Tue, 10/31/2017 - 17:00
Scientists at the California Institute of Technology (Caltech) have conducted experiments confirming which of three possible mechanisms is responsible for the spontaneous formation of three-dimensional (3-D) pillar arrays in nanofilms (polymer films that are billionths of a meter thick).
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"Critical baby step" taken for spying life on a molecular scale

NanoTechWire - Tue, 10/31/2017 - 17:00
The ability to image single biological molecules in a living cell is something that has long eluded researchers; however, a novel technique, using the structure of diamond, may well be able to do this and potentially provide a tool for diagnosing, and eventually developing a treatment for, hard-to-cure diseases such as cancer
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