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Germanium-based dielectric metasurfaces produce structural colours

May 8, 2017 - 4:24am
Structures could replace any ink-based colour printing products and might be promising for outdoor posters and wallpapers or even car coatings.

Optical chip gives microscopes nanoscale resolution

May 5, 2017 - 6:19am
Low-cost device could boost the use of super-resolution microscopy

3D zinc sponge makes good battery anode

May 3, 2017 - 6:58am
(with video) Porous structure does not form dendrites.

Imperfect neuromorphic devices benefit from 'fuzzy' learning

May 2, 2017 - 6:07am
Modifying learning algorithms to work with distributions instead of fixed values can overcome the limitations of device variability.

DNA helps harness enzymes

May 1, 2017 - 10:28am
By tethering quantum dots to enzymes with a strand of DNA, synthetic biologists show how to stabilise enzymes while enhancing their catalytic activity.

Diamond-like crystal reflects many-coloured light in all directions

April 28, 2017 - 2:13pm
“Inverse woodpile” nanostructures could make ideal back reflectors for solar cells as well as tiny on-chip light sources and lasers, and non-linear devices for ultrafast all-optical switching.

NV-quantum probes measure electron flow in graphene

April 28, 2017 - 11:41am
Technique is better than simple resistivity measurements that ignore defects.

Hybrid nanolaser diode goes ultra-compact

April 27, 2017 - 8:21am
Device is the first to be integrated with silicon photonic waveguides.

Graphene nanoribbons enable ultra-sensitive mass detection

April 26, 2017 - 9:25am
Surprising link between conductance and nanomechanical motion allows single-electron transistor to measure masses as small as a zeptogram.

Microfluidics interface helps push two-legged nanobot

April 26, 2017 - 6:50am
Computer-controlled DNA molecular machine can walk on a pre-defined track in response to “fuel” and “anti-fuel” commands.

Block copolymers spiral under control

April 25, 2017 - 4:00am
(with audio)The tailored self-assembly of nanospirals provides insights into the thermodynamics of block copolymers.

Focused ion beam creates single-photon emitters in diamond nanostructures

April 24, 2017 - 4:15am
An important step forward in the development of scalable quantum optical devices says MIT–Sandia–Harvard team.

Nanosheet inks offer new route to flexible electronics

April 21, 2017 - 8:29am
Thin-film transistors built entirely from printed layers of two-dimensional nanosheets bring us one step closer to scalable, flexible electronics.

Ultrathin graphene oxide membranes make good molecular sieves

April 21, 2017 - 3:32am
Nanolayers fabricated at a slow deposition rate could purify and desalinate water more efficiently.

Nanotube sensors promise smarter performance tracking

April 20, 2017 - 9:56am
Researchers in the US have exploited carbon nanotubes to produce a flexible and versatile biosensor that could be integrated into everyday clothing

On-chip nanowire laser delivers on data

April 19, 2017 - 10:11am
An on-chip semiconductor nanowire laser can transmit high-frequency data at telecom wavelengths – when the chip is a silicon photonic crystal.

Squashed quantum dots solve a multi-faceted problem

April 18, 2017 - 7:38am
Facet-selective epitaxy produces colloidal quantum-dot lasers with a threshold for continuous-wave lasing that's seven times lower than previously reported.

Nanomedicine enables all-in-one cancer treatment

April 18, 2017 - 3:10am
Researchers in China have created experimental nanoparticles that combine signal-jamming genetic material with selective drug release and other complementary tricks to aid cancer treatment.

Charged domain walls helps electrons travel in multiferroic tunnel junctions

April 17, 2017 - 5:14am
“Head-to-head” walls could be used as active elements for next-generation non-volatile memories.

Short-wave infrared quantum dots image arteries and veins

April 17, 2017 - 4:01am
Bright indium-arsenide-based nanostructures could be used to obtain detailed images of internal body structures.