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Nanowerk Nanotechnology News



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Graphene flexes its muscle

Wed, 17 Jan 2018 16:29:09 -0500

Crumpling reduces rigidity in an otherwise stiff material, making it less prone to catastrophic failure.

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Manipulating colloids with mobile nanotweezers

Wed, 17 Jan 2018 09:56:05 -0500

Researchers have merged two important technologies of nanomanipulation - plasmonic tweezers and magnetically driven microbots - in order to overcome their individual limitations and achieve new functionalities that did not exist before. This technique is applicable to different types of particles in various fluids. The resulting mobile nanotweezers' performance combines the best of both worlds: capturing, maneuvering, and positioning sub micrometer objects of various materials at low illumination intensities, high speeds, and with great control.




Ultra-thin optical fibers offer new way to 3-D print microstructures

Wed, 17 Jan 2018 09:42:47 -0500

Novel approach lays groundwork for using 3-D printing to repair tissue in the body.

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New Catalog on Piezo-Mechanic Nanopositioning Motion Systems for OEM, Industry and Research Released

Wed, 17 Jan 2018 09:36:59 -0500

This new showcase catalog from PI covers piezomechanical actuation and precision motion systems for OEM, Industry and research.

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Wrinkled nanocoatings could save billions in shipping and aquaculture

Wed, 17 Jan 2018 09:32:24 -0500

Nano surfaces inspired by carnivorous plants delay degradation.

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Using electricity to switch magnetism

Wed, 17 Jan 2018 09:25:32 -0500

A major step has been taken towards linking electrical and magnetic material properties, which is crucial for possible applications in electronics.

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Solid and liquid at the same time

Wed, 17 Jan 2018 09:20:44 -0500

Microscopically small particles can spontaneously self-assemble into complex layered structures with remarkable properties.

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New nanocatalyst for hydrogen production

Wed, 17 Jan 2018 06:02:41 -0500

Carbon-based nanocomposite with embedded metal ions yields impressive performance as catalyst for electrolysis of water to generate hydrogen.

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Only an atom thick: Physicists measure mechanical properties of freestanding graphene

Wed, 17 Jan 2018 05:08:28 -0500

Physicists have for the first time succeeded in characterizing the mechanical properties of free-standing single-atom-thick membranes of graphene.

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Ultrathin black phosphorus for solar-driven hydrogen economy

Wed, 17 Jan 2018 03:42:34 -0500

Researchers use sunlight to make hydrogen with a new nanostructured catalyst based on nanosheets of black phosphorus and bismuth vanadate.

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Building molecular wires, one atom at a time

Wed, 17 Jan 2018 03:37:30 -0500

Researchers have found a simple way to create copper molecular wires of different lengths by adding or removing copper atoms one by one.

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Nanoparticle-antioxidants to treat strokes and spinal cord injuries

Tue, 16 Jan 2018 12:10:52 -0500

An international science team has developed an innovative therapeutic complex based on multi-layer polymer nano-structures of superoxide dismutase. The new substance can be used to effectively rehabilitate patients after acute spinal injuries, strokes, and heart attacks.

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New insights into underwater adhesives

Tue, 16 Jan 2018 12:03:09 -0500

Researchers have presented a new type of underwater adhesives that are tougher than the natural biological glues that mussels normally use to adhere to rocks, ships, and larger sea critters.

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Light may unlock a new quantum dance for electrons in graphene

Tue, 16 Jan 2018 10:08:42 -0500

A team of researchers has devised a simple way to tune a hallmark quantum effect in graphene - the material formed from a single layer of carbon atoms - by bathing it in light.

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Perovskite solar cells: perfection not required

Tue, 16 Jan 2018 10:02:55 -0500

Experiments reveal why even inhomogeneous perovskite films are highly functional.

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X-rays reveal 'handedness' in swirling electric vortices

Tue, 16 Jan 2018 09:54:49 -0500

Scientists study exotic material's properties, which could make possible a new form of data storage.

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Nanofluidics - recent progress

Tue, 16 Jan 2018 09:24:53 -0500

Nanofluidics is the study and application of fluids in and around geometries with nanoscale characteristic dimensions. The field of nanofluidics is not brand-new. Some issues associated with nanoscale fluidics have been occasionally dealt with by researchers in membrane science, colloid science, and chemical engineering for many decades. A recent review article provides a selected overview of the recent progress, rather than a comprehensive review of the entire field.




Slow 'hot electrons' could improve solar cell efficiency

Tue, 16 Jan 2018 08:22:28 -0500

Photons with energy higher than the 'band gap' of the semiconductor absorbing them give rise to what are known as hot electrons. Scientists have now found a material in which these hot electrons retain their high energy levels for much longer.

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Two zero-gravity experiments pushing the frontier of graphene's potential

Tue, 16 Jan 2018 08:16:38 -0500

Two recent experiments to assess, for the first time, the viability of graphene for space applications. The experiments tested the material under zero-gravity conditions specifically for light propulsion and also for thermal management applications, with very encouraging results.

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A catalyst for change in chemical nanohole etching

Tue, 16 Jan 2018 03:59:20 -0500

A simple, versatile and low-cost technique for etching nanoholes in silicon could underpin new filtration and nanophotonic devices.

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Nanomedicine taking a stab at microbes

Tue, 16 Jan 2018 03:55:11 -0500

Arrays of tiny, rigid, and sharp pillars mimic natural antimicrobial surfaces by binding and breaking bacterial cells open.

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Clever simulation scheme helps identify the most promising compositions of 2D materials

Tue, 16 Jan 2018 03:50:18 -0500

A high-throughput scan of possible compositions for a new class of materials known as MXenes gives researchers invaluable direction for picking the best candidate from the millions of possible material recipes.

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3D printed microfibers could provide structure for artificially grown body part

Mon, 15 Jan 2018 15:29:31 -0500

Much as a frame provides structural support for a house and the chassis provides strength and shape for a car, a team of engineers believe they have a way to create the structural framework for growing living tissue using an off-the-shelf 3-D printer.

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Solar fuels: better efficiency using microwires

Mon, 15 Jan 2018 10:39:48 -0500

Using only earth-abundant materials, researchers have developed the most efficient direct conversion method of energy from sunlight into hydrogen to date.

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Gyroscopes lead scientists to unusual state of matter in a disorganized structure

Mon, 15 Jan 2018 10:27:00 -0500

Using a set of gyroscopes linked together, physicists explored the behavior of a material whose structure is arranged randomly, instead of an orderly lattice.

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New center to develop next-generation computing technologies

Mon, 15 Jan 2018 08:09:57 -0500

A new $26 million center led by the University of Notre Dame will focus on conducting research that aims to increase the performance, efficiency and capabilities of future computing systems for both commercial and defense applications.

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Researchers measure single atoms in a graphene 'petri-dish'

Mon, 15 Jan 2018 08:04:34 -0500

Researchers have shown that graphene and boron nitride can be combined to create a perfect nano petri-dish. Liquid samples inside the dish can be imaged with single atom sensitivity and it is also possible to measure their elemental composition at the nanometre length scale.

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Scalable synthesis of nanoporous metal structures

Mon, 15 Jan 2018 07:42:35 -0500

A simple, versatile, scalable synthesis route to nanoporous metals via solid-state conversion reactions.

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Protein handshake on the nanoscale

Mon, 15 Jan 2018 07:28:39 -0500

A new study shows that it is possible to create hybrid protein nanofibers composed of two plasma proteins using a facile self-assembly approach supported by ethanol-induced protein denaturation.

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A serological point-of-care test for detecting Ebola

Mon, 15 Jan 2018 07:17:30 -0500

The new approach uses lateral flow technology, similar to that of a pregnancy test, coupled with smartphones to provide a promising alternative to lab-based testing.

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The first precise measurement of a single molecule's effective charge

Mon, 15 Jan 2018 03:01:20 -0500

For the first time, scientists have precisely measured the effective electrical charge of a single molecule in solution. This fundamental insight could also pave the way for future medical diagnostics.

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Nanostructured gate dielectric boosts stability of organic thin-film transistors

Sat, 13 Jan 2018 10:47:05 -0500

The structure, composed of a fluoropolymer layer followed by a nanolaminate made from two metal oxide materials, serves as gate dielectric and simultaneously protects the organic semiconductor and enables the transistors to operate with unprecedented stability.

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Fast-moving electrons create current in organic solar cells

Sat, 13 Jan 2018 10:39:22 -0500

Researchers have identified the mechanism that allows organic solar cells to create a charge, solving a longstanding puzzle in physics.

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Multi-Axis Precision Motion Controller: 4 / 6 / 8 Channels, for Air Bearing Motion Systems

Fri, 12 Jan 2018 03:22:39 -0500

This new air bearing controller from PI optimizes the performance of stages equipped with direct drive servo motors and high-resolution encoders.

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Quantum information finds its edge

Fri, 12 Jan 2018 03:14:59 -0500

Electronic states at the edge of topological insulators are promising as carriers of quantum information.

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Researchers engineer ultra-sensitive temperature sensor

Thu, 11 Jan 2018 12:02:40 -0500

A new material measures temperatures in the range of 80-750 kelvin and could be used in manufacturing and biological processes.

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Nanotube fibers in a jiffy

Thu, 11 Jan 2018 11:49:59 -0500

Lab makes short nanotube samples by hand to dramatically cut production time.

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What's the noise eating quantum bits?

Thu, 11 Jan 2018 08:36:09 -0500

The magnetic noise caused by adsorbed oxygen molecules is 'eating at' the phase stability of quantum bits, mitigating the noise is vital for future quantum computers.

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Scientists look at how the molecular structures of organic solar cells form

Thu, 11 Jan 2018 08:22:00 -0500

Researchers analyzed how organic solar cells' crystal structures develop as they are produced under different conditions.

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Organic nanoelectronics that can function stably for long periods in water

Thu, 11 Jan 2018 08:21:47 -0500

Researchers have developed the world's first complementary electrochemical logic circuits that can function stably for long periods in water.

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