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Nanowerk Nanotechnology News



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Dancing electrons lose the race

Sat, 23 Sep 2017 04:19:32 -0400

Atoms emit electrons when a material is irradiated with light at a sufficiently high frequency. Previously, physics had assumed that the motion of these photoelectrons is determined by the properties of the material. In a new study, physicists show that it is the interplay of the electrons within the atom that is decisive.

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Designing next-generation neural interfaces with graphene

Fri, 22 Sep 2017 10:36:12 -0400

In order to fully exploit the potential of neural interfaces, the forthcoming generation of devices is expected to simultaneously offer multiple functionalities, including recording and stimulation of electrical activity, recognition of neurotransmitters, neuromodulators and other neurologically relevant biomolecules, as well as the capability for controlled drug delivery. Graphene and other 2D materials possess an array of properties (flexibility, electrical mobility, large surface area available for interaction with the neuronal components and amenable to surface modifications) that can enable enhanced functional capabilities for neural interfaces.




Enhancing the sensing capabilities of diamonds with quantum properties

Fri, 22 Sep 2017 08:56:04 -0400

Researchers have shown how they can create more nitrogen-vacancy centers, which makes sensing magnetic fields easier, using a relatively simple method that can be done in many labs.

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A new way to enhance the capacity of memory devices

Fri, 22 Sep 2017 07:35:39 -0400

A new study reveals how topological vortices found in low-dimensional materials can be both displaced and erased and restored again by the electrical field within nanoparticles.

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Assembly of nanoparticles proceeds like a zipper

Fri, 22 Sep 2017 05:48:07 -0400

According to scientists, nature's own charged nanoparticles - protein cages and viruses - can be utilized to determine the structure of composite nanomaterials.

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Researchers demonstrate quantum teleportation of patterns of light

Fri, 22 Sep 2017 04:48:39 -0400

Technique paves the way for high bit-rate secure long distance quantum communication.

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New analysis explains role of defects in metal oxides

Fri, 22 Sep 2017 04:38:23 -0400

Harnessing these imperfections could have implications for computer memory and energy conversion.

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Application of air-sensitive semiconductors in nanoelectronics

Thu, 21 Sep 2017 09:30:32 -0400

2-D semiconductor gallium selenide in encapsulated nanoelectronic devices.

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Four elements make 2-D optical platform

Thu, 21 Sep 2017 08:53:23 -0400

Scientists have discovered a two-dimensional alloy with an optical bandgap that can be tuned by the temperature used to grow it.

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Stable magnetic bit of three atoms

Thu, 21 Sep 2017 06:01:15 -0400

Scientists have experimentally realized a ferromagnetic particle composed of only three iron atoms which can serve as a bit for the magnetic storage of information.

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Rapid imaging of granular matter

Thu, 21 Sep 2017 03:07:31 -0400

Researchers have developed a method by which pictures of the inside of granular systems can be taken ten thousand times faster than before.

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Stopping problem ice - by cracking it

Thu, 21 Sep 2017 02:27:54 -0400

By manipulating substructures in a special silicone coating, researchers have reduced the ability of ice to stick to a surface to record lows.

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Engineers 3-D print high-strength aluminum, solve welding problem using nanoparticles

Wed, 20 Sep 2017 12:25:41 -0400

Engineers have developed a technique for successfully 3D printing high-strength aluminum alloys that opens the door to additive manufacturing of engineering-relevant alloys.

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Scientists make atoms-thick Post-It notes for solar cells and circuits

Wed, 20 Sep 2017 12:19:05 -0400

A new study describes an innovative method to make stacks of semiconductors just a few atoms thick.

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Scientists create world's first 'molecular robot' capable of building molecules

Wed, 20 Sep 2017 12:13:07 -0400

The nanorobots can be programmed to move and build molecular cargo, using a tiny robotic arm.

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Laser-free method of Ion cooling has range of potential uses

Wed, 20 Sep 2017 11:58:57 -0400

Scientists have developed a new universal method for cooling ions.

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Straining the memory: Prototype strain engineered materials are the future of data storage

Wed, 20 Sep 2017 11:52:10 -0400

Researchers have nano-engineered a superlattice data storage material. Data is recorded at the interfaces of the superlattice layers.

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New microscope technology provides a detailed look at structure and composition of materials

Wed, 20 Sep 2017 09:18:43 -0400

A new camera technology is enabling electron microscopes to present a clearer, more complete and detailed look at their featured presentation.

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Researchers make a carbon nanofiber supercapacitor (without the flammable ingredients)

Wed, 20 Sep 2017 09:10:35 -0400

This new design for a new supercapacitor, which looks something like a furry sponge infused with gelatin, offers a unique alternative to the flammable electrolyte solution that is a common component in these devices.

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Nanoscale 'printing' allows display of two colors per pixel

Wed, 20 Sep 2017 08:56:35 -0400

Engineers have developed nanoscale plasmonic colour filters that display different colours depending on the orientation of the light which hits it.

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Nanogel-encapsulated stem cells for heart attack patients

Wed, 20 Sep 2017 07:17:15 -0400

Researchers report that encapsulating stem cells in a nanogel could help repair damage to the heart.

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Hybrid 3D-printing of soft electronics

Wed, 20 Sep 2017 06:17:35 -0400

This method combines direct ink writing with automated pick-and-place of surface mount electronic components within a single manufacturing platform.

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Naked molecules dancing in liquid become visible (w/video)

Wed, 20 Sep 2017 01:40:23 -0400

Scientists managed to see the movement of molecules stored inside a graphene pocket without the need to stain them.

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Photonics: Invisibility is within sight

Wed, 20 Sep 2017 01:32:00 -0400

The theoretical discovery of transparent particles that break the previously accepted limit of visibility opens a new door in the search for perfect transparency.

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Tiny lasers from a gallery of whispers

Tue, 19 Sep 2017 14:46:24 -0400

New technique promises tunable laser devices.

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One-way track for microwaves based on mechanical interference

Tue, 19 Sep 2017 11:45:26 -0400

Researchers have demonstrated a new principle for developing such tools by harnessing the motion of microscopic drums.

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Molecular motors: Slowing the clockwork

Tue, 19 Sep 2017 11:05:55 -0400

Progress on the way to smart nanomachines: Chemists have modified the synthesis of a molecular motor so as to reduce the speed of its light-driven rotation, thus permitting the researchers to analyze the mechanism of motion in complete detail.

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Molecular force sensors

Tue, 19 Sep 2017 10:59:24 -0400

Scientists have developed molecular probes that can measure forces across multiple proteins with high resolution in cells.

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Fluorescence microscopy on a chip - no lenses required

Tue, 19 Sep 2017 10:52:54 -0400

Researchers developed a rapid, automatable, chip-based platform to analyze live cells.

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Researchers' work pushes battery technology forward

Tue, 19 Sep 2017 09:49:00 -0400

Researchers have developed two promising energy storage technologies in its work with sustainable energy systems.

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Novel strategy for chirality controlled synthesis of single-walled carbon nanotubes

Tue, 19 Sep 2017 09:42:22 -0400

By using this approach, preferential synthesis of (6,4) SWNTs has been realized for the first time.

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Copying nature's lock-and-key system could improve rapid medical diagnostics

Tue, 19 Sep 2017 08:40:52 -0400

Researchers have designed a system that rapidly recognises the specific biological molecules that can indicate disease.

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Blood testing via sound waves may replace some tissue biopsies (w/video)

Tue, 19 Sep 2017 08:25:08 -0400

Microfluidic device uses acoustics to quickly analyze blood for signatures of cancer and other diseases.

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Graphene and other carbon nanomaterials can replace scarce metals

Tue, 19 Sep 2017 02:49:57 -0400

A new survey shows that there are potential technology-based solutions that can replace many of the metals with carbon nanomaterials, such as graphene.

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Nanocapsules enable cell-inspired metabolic reactions

Tue, 19 Sep 2017 02:44:26 -0400

Researchers succeeded in developing capsules capable of producing the bio-molecule glucose-6-phosphate that plays an important role in metabolic processes. The researchers were able to produce the metabolite in conditions very similar to the biochemical reaction inside natural cells.

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Copper catalyst yields high efficiency CO2-to-fuels conversion

Mon, 18 Sep 2017 14:43:38 -0400

Scientists discover critical role of nanoparticle transformation.

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A new approach to ultrafast light pulses

Mon, 18 Sep 2017 12:11:04 -0400

Unusual fluorescent materials could be used for rapid light-based communications systems.

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Scalable process discovered to produce structural colors inspired by bird feathers

Mon, 18 Sep 2017 11:59:41 -0400

Bio-inspired supraballs are composed of a melanin core and silica shell.

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Just squeeze in - when spaces are tight, nature loosens its laws

Mon, 18 Sep 2017 11:11:58 -0400

International team of researchers coax ions into close quarters despite their electric charge.

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Chemists make Playdough/Lego-like hybrid to create tiny building blocks

Mon, 18 Sep 2017 11:03:42 -0400

These 'patchy particles' are 1/200th the width of a human hair and can form endless architectures from a handful of basic pieces. And unlike their larger counterparts, these particles can self-assemble.

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