Science & Technology

Amplifier for terahertz lattice vibrations in a semiconductor crystal

Nanowerk - Wed, 04/03/2019 - 10:57am
In analogy to the amplification of light in a laser, vibrations of a semiconductor nanostructure, so called phonons, were enhanced by interaction with an electron current.
Categories: Science & Technology

High-tech material in a salt crust

Nanowerk - Wed, 04/03/2019 - 10:47am
MAX phases unite the positive properties of ceramics and metals. A new method now makes it possible to produce this material class on an industrial scale.
Categories: Science & Technology

EU project NanoHybrids concluded

Nanowerk - Wed, 04/03/2019 - 7:41am
The European research project NanoHybrids has successfully developed production systems for organic aerogel particles and manufactured larger quantities of these novel materials for the first time. This represents an important step towards industrial mass production and application of particulate aerogels by the industrial and research consortium.
Categories: Science & Technology

Tuneable reverse photochromes in the solid state

Nanowerk - Wed, 04/03/2019 - 6:51am
A new technique allows the design of solid materials that are coloured in the dark. This can have applications in rewritable displays or optical data storage systems.
Categories: Science & Technology

Nanomaterials give plants 'super' abilities (w/video)

Nanowerk - Wed, 04/03/2019 - 4:21am
Researchers report the development of plants that can make nanomaterials called metal-organic frameworks (MOFs) and the application of MOFs as coatings on plants. The augmented plants could potentially perform useful new functions, such as sensing chemicals or harvesting light more efficiently.
Categories: Science & Technology

Harnessing the spin of electrons to power tech devices

Nanowerk - Wed, 04/03/2019 - 3:49am
Scientists are using principles in quantum science and engineering to build a graphene-based logic device. This new technology will improve the energy efficiency of battery-dependent devices from cell phones to computers.
Categories: Science & Technology

Radical steps toward clean encapsulation

Nanowerk - Wed, 04/03/2019 - 12:18am
Chemists use free radicals to produce polymers strong enough to encapsulate drugs while remaining degradable.
Categories: Science & Technology

Right combination of crystal grains makes superior shape memory alloys

Nanowerk - Wed, 04/03/2019 - 12:11am
Researchers have shown, through a supercomputer simulation, that high strength and shape memory can be realized at the same time by combining crystal grains of different sizes, a feat previously thought impossible.
Categories: Science & Technology

Smart liquid goes dark in the heat

Nanowerk - Wed, 04/03/2019 - 12:01am
Nanowires that form and disperse as the temperature changes form the basis of a robust thermochromic liquid.
Categories: Science & Technology

Shape-changing plane wing

Nanowerk - Tue, 04/02/2019 - 4:49pm
Assembled from tiny identical pieces, the wing could enable lighter, more energy-efficient aircraft designs.
Categories: Science & Technology

New plastic films deflect or trap heat with zero energy required

Nanowerk - Tue, 04/02/2019 - 4:38pm
Adaptable films show promise for use in buildings, wearables, camouflage and solar.
Categories: Science & Technology

Detecting minute levels of disease with a nanotechnology-enhanced biochip

Nanowerk - Tue, 04/02/2019 - 4:32pm
The difficulty in spotting minute amounts of disease circulating in the bloodstream has proven a stumbling block in the detection and treatment of cancers that advance stealthily with few symptoms. With a novel electrochemical biosensing device that identifies the tiniest signals these biomarkers emit, researchers are hoping to bridge this gap.
Categories: Science & Technology

Programmable 'Legos' of DNA and protein building blocks create novel 3D cages

Nanowerk - Tue, 04/02/2019 - 4:23pm
DNA nanotechnology uses DNA molecules as programmable 'Legos' to assemble structures with a control not possible with other molecules.
Categories: Science & Technology

Harnessing photonics for at-home disease detection

Nanowerk - Tue, 04/02/2019 - 9:39am
In the not-too-distant future, each of us may have a simple device - small enough for our nightstand or our pocket - that keeps us apprised of our level of health, identifies even trace amounts of undesirable biomarkers in our blood or saliva and serves as an early-warning system for diseases. This is one of the promises of personalized medicine.
Categories: Science & Technology

New record on the growth of graphene single crystals

Nanowerk - Tue, 04/02/2019 - 9:29am
Researchers have explored the rapid growth of large graphene single crystal on liquid Cu based on the liquid metal chemical vapor deposition strategy.
Categories: Science & Technology

Copper nanoparticle-based alternative for next-generation electronics

Nanowerk - Tue, 04/02/2019 - 9:19am
The new medium, made of copper nanoparticles, has promising applications in the production of electronic devices that would otherwise depend on expensive gold and silver counterparts.
Categories: Science & Technology

Scientists capture live, atomic-level detail of nanoparticle formation (w/video)

Nanowerk - Tue, 04/02/2019 - 9:11am
Scientists have achieved real-time atom rearrangement monitoring using aberration-corrected scanning transmission electron microscopy during the synthesis of intermetallic nanoparticles.
Categories: Science & Technology

Skyrmions could provide next generation data storage

Nanowerk - Mon, 04/01/2019 - 10:48am
Scientists have moved a step closer to developing the next generation of data storage and processing devices, using an emerging science called skyrmionics.
Categories: Science & Technology

All-dielectric alloyed nanoantennas for temperature-feedback identification of viruses and explosives

Nanowerk - Mon, 04/01/2019 - 10:43am
All-dielectric nanoantennas remain chemically non-invasive, they cause no effect on the studied analytes and reactions.
Categories: Science & Technology

New polymer mixture creates ultra-sensitive heat sensor

Nanowerk - Mon, 04/01/2019 - 10:27am
Polymer gels with tunable ionic Seebeck coefficient for ultra-sensitive printed thermopiles.
Categories: Science & Technology
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