Nanotechnology News – Latest Headlines

Sushi-like rolled 2D heterostructures may lead to new miniaturized electronics

The recent synthesis of one-dimensional van der Waals heterostructures, a type of heterostructure made by layering two-dimensional materials that are one atom thick, may lead to new, miniaturized electronics that are currently not possible.

Mar 9th, 2021

Microchips of the future: Suitable insulators are still missing

Until now, hexagonal boron nitride was considered the insulator of choice for miniaturized transistors -- new investigations show: This may not be the way to go.

Mar 9th, 2021

Low-voltage, low-power pressure sensors for monitoring health

Organic electrochemical transistors (OECTs) are used to create low-voltage, low-power pressure sensors with high pressure sensitivity.

Mar 9th, 2021

Integration of 2D materials on silicon Mie resonators for electrically controlled nanopixels

Researchers have develop Si-WS2 hybrid nanopixels with electromechanically controlled Mie-exciton optical responses with high modulation depth.

Mar 9th, 2021

Determining the structure of a molecule with laser-induced electron diffraction

Researchers show how laboratory-frame photoelectron spectra can be used directly to determine molecular with atomic precision from laser induced electron diffraction (LIED).

Mar 9th, 2021

A liquid crystal walks into an optical resonator: new research helps model future optoelectronic devices

Researchers propose a photonic device from two optical resonators with liquid crystals inside them to study the optical properties of this system that can be useful for future generations of optoelectronic and spinoptronic devices.

Mar 9th, 2021

'Wearable microgrid' uses the human body to sustainably power small gadgets

Nanoengineers have developed a 'wearable microgrid' that harvests and stores energy from the human body to power small electronics. It consists of three main parts: sweat-powered biofuel cells, motion-powered devices called triboelectric generators, and energy-storing supercapacitors. All parts are flexible, washable and can be screen printed onto clothing.

Mar 9th, 2021

Combined technique using diamond probes enables nanoscale imaging of magnetic vortex structures

In progress towards the creation of more effective data storage systems, researchers found that magnetometry exploiting color center defects in diamond probes and magneto-optic imaging found to complement each other.

Mar 9th, 2021

Lights on for silicon photonics

The demonstration of electroluminescence at terahertz frequencies from a silicon-germanium device marks a key step towards the long-sought goal of a silicon-based laser.

Mar 8th, 2021

Cheap, nontoxic carbon nanodots poised to be quantum dots of the future

A new study that uses ultrafast nanometric imaging found good and bad emitters among populations of carbon dots. This observation suggests that by selecting only super-emitters, carbon nanodots can be purified to replace toxic metal quantum dots in many applications, the researchers said.

Mar 8th, 2021

Nanodiamonds prove an excellent material for accelerator components

Nitrogen-incorporated ultrananocrystalline diamond materials are promising candidates for photocathode applications due to their remarkable electron emission performance as well as the moderate vacuum requirement.

Mar 8th, 2021

A drop of rubbing alcohol and office laminator provides manufacturability boost for graphene membranes

Engineers' simple experiment shows potential to advance manufacturing of atomically thin membranes for commercial uses.

Mar 8th, 2021

Nanoenzymes designed with a unique combination of structure and functions

Scientists have designed minimalist biostructures that imitate natural enzymes, capable of carrying out two differentiated and reversibly regulated activities thanks to a unique combination of structural and functional properties. The strategy used opens the door to the creation of 'intelligent' nanomaterials with tailor-made combinations of catalytic functions.

Mar 8th, 2021

Light in concert with force reveals how materials become harder when illuminated

When indented by a probe in darkness, wafers of some semiconductors are putty-like. When illuminated by light whose wavelength matches the band gap, they become hard, as electrons and holes freed by the light suppress the propagation of dislocations.

Mar 5th, 2021

Retinal implants can give artificial vision to the blind (w/video)

Researchers have developed a new type of retinal implant for people who have become blind due to the loss of photoreceptor cells in their retinas. The implant partially restores their visual field and can significantly improve their quality of life.

Mar 5th, 2021

Holographic nanostructures on CMOS sensors for energy-efficient AI security schemes

Researchers have realized an AI optical circuit, with a neural density equal to 1/400 of human brain. The circuit is trained to process information through unpowered all-optical inference at the speed of light with a computational power more than ten orders of magnitude larger than electronic processors. In future, its neural density is expected to be 10 times that of human brain.

Mar 5th, 2021

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