New algorithm can discover materials with unusual characteristics—including invisibility

15.06. 2018 Nanotechnology News - Nanoscience, Nanotechnolgy, Nanotech News

Metamaterials are artificially engineered materials. Scientists create them by combining multiple elements from composite materials such as a metal and an electrical insulator. The result is an entirely new material with properties not found in nature. Engineers can then use these materials to create new devices or improve existing ones.

E- textiles control home appliances with the swipe of a finger

13.06. 2018 Nanotechnology News - Nanoscience, Nanotechnolgy, Nanotech News

Electronic textiles could allow a person to control household appliances or computers from a distance simply by touching a wristband or other item of clothing—something that could be particularly helpful for those with limited mobility. Now researchers, reporting in ACS Nano, have developed a new type of e-textile that is self-powered, highly sensitive and washable.

Nanowires for sustainable, renewable energy

13.06. 2018 Nanotechnology News - Nanoscience, Nanotechnolgy, Nanotech News

Recent studies have revealed that semiconductor nanowires offer unique advantages for a wide range of applications. An EU-funded project is breaking new ground in the move towards sustainable and efficient energy harvesting by exploiting the unusual properties of these tiny yet highly controlled structures.

Designing a better superconductor with geometric frustration

11.06. 2018 Nanotechnology News - Nanoscience, Nanotechnolgy, Nanotech News

Superconductors contain tiny tornadoes of supercurrent, called vortex filaments, that create resistance when they move. This affects the way superconductors carry a current.

New bolometer is faster, simpler, and covers more wavelengths

11.06. 2018 Nanotechnology News - Nanoscience, Nanotechnolgy, Nanotech News

Bolometers, devices that monitor electromagnetic radiation through heating of an absorbing material, are used by astronomers and homeowners alike. But most such devices have limited bandwidth and must be operated at ultralow temperatures. Now, researchers say they've found a ultrafast yet highly sensitive alternative that can work at room temperature—and may be much less expensive.

Tiny defects in semiconductors created ‘speed bumps’ for electrons—researchers cleared the path

11.06. 2018 Nanotechnology News - Nanoscience, Nanotechnolgy, Nanotech News

UCLA scientists and engineers have developed a new process for assembling semiconductor devices. The advance could lead to much more energy-efficient transistors for electronics and computer chips, diodes for solar cells and light-emitting diodes, and other semiconductor-based devices.

Light-interacting nanostructures produce a remarkable frequency doubling effect

08.06. 2018 Nanotechnology News - Nanoscience, Nanotechnolgy, Nanotech News

By combining two very different light-interacting nanostructures, A*STAR researchers have demonstrated a surprisingly strong enhancement of a frequency doubling effect.

Direct nanoscale patterning of LED surfaces brings new possibilities for the control of light

08.06. 2018 Nanotechnology News - Nanoscience, Nanotechnolgy, Nanotech News

Nanoscale patterns designed to bend, deflect and split light can now be fabricated directly on light-emitting diode (LED) surfaces using an innovative etching method developed by A*STAR researchers. The new fabrication scheme creates new possibilities for the facile control of light output.

Double-layered porous nanotubes with spatially separated photoredox surfaces

07.06. 2018 Nanotechnology News - Nanoscience, Nanotechnolgy, Nanotech News

Solar energy conversion of water into H2 through photocatalysis is considered a promising approach for H2 production. However, the separation efficiency of charge carriers is the key to improving the efficiency of photocatalytic hydrogen production. A recent study reveals that the double-layered porous nanotubes with spatially separated photoredox surfaces were synthesized by a self-template strategy and show enhanced photocatalytic activity toward hydrogen production.

Single molecular insulator pushes boundaries of current state of the art

06.06. 2018 Nanotechnology News - Nanoscience, Nanotechnolgy, Nanotech News

Ever shrinking transistors are the key to faster and more efficient computer processing. Since the 1970s, advancements in electronics have largely been driven by the steady pace with which these tiny components have grown simultaneously smaller and more powerful—right down to their current dimensions on the nanometer scale. But recent years have seen this progress plateau, as researchers grapple with whether transistors may have finally hit their size limit. High among the list of hurdles standing in the way of further miniaturization: problems caused by "leakage current."

Peering at atomic structures with no more than pencil and paper

04.06. 2018 Nanotechnology News - Nanoscience, Nanotechnolgy, Nanotech News

Who would guess that cracking the mystery of how infinitesimally small atoms arrange themselves at the edges of crystals in advanced materials could be as simple as one, two, three?

AI-based method could speed development of specialized nanoparticles

01.06. 2018 Nanotechnology News - Nanoscience, Nanotechnolgy, Nanotech News

A new technique developed by MIT physicists could someday provide a way to custom-design multilayered nanoparticles with desired properties, potentially for use in displays, cloaking systems, or biomedical devices. It may also help physicists tackle a variety of thorny research problems, in ways that could in some cases be orders of magnitude faster than existing methods.

Breakthrough in controlling DNA-based robots

01.06. 2018 Nanotechnology News - Nanoscience, Nanotechnolgy, Nanotech News

Researchers have devised a magnetic control system to make tiny DNA-based robots move on demand—and much faster than recently possible.

Why Elon Musk is wrong about nanotechnology

01.06. 2018 Nanotechnology News - Nanoscience, Nanotechnolgy, Nanotech News

You might expect Elon Musk, the business magnate, engineer and serial entrepreneur would be a fan of all things techy. After all, his radical enterprises are built on pushing science to its limit. He's behind a raft of visionary projects ranging from Tesla's driverless electric cars and SpaceX's self-landing reusable rockets to plans for 1,000kph "hyperloop" trains. But it appears there is a size limit to Musk's technophilia. He recently tweeted that he thinks nanotechnology is "BS".

How to draw a line narrower than a cold virus

31.05. 2018 Nanotechnology News - Nanoscience, Nanotechnolgy, Nanotech News

For the first time, a team demonstrated a technique that creates tiny, precise metallic shapes. They rastered a beam from a helium-ion microscope through a liquid precursor to induce chemical reactions. The reactions locally deposit high purity platinum. In spelling out the acronym of their national laboratory, they formed a ribbon only 15 nanometers in diameter—narrower than a cold virus.