Search results for nanometer

Environment Sep 17, 2018

Micronizing ocean plastics threaten sea turtle populations, ocean life cycle

Ingestion of degrading ocean plastics likely poses a substantial risk to the survival of post-hatchling sea turtles because the particles can lead to blockages and nutritional deficiencies, according to new research from ...

Nanophysics Sep 17, 2018

Nanoparticles with a shell structure improve the performance of zinc-oxide photodetectors

Improving the sensitivity of light sensors or the efficiency of solar cells requires fine-tuning of light capturing. KAUST researchers have used complex geometry to develop tiny shell-shaped coverings that can increase the ...

Nanomaterials Aug 30, 2018

Researchers 3-D print colloidal crystals

MIT engineers have united the principles of self-assembly and 3-D printing using a new technique, which they highlight today in the journal Advanced Materials.

General Physics Aug 21, 2018

Researchers develop sub-7-nm memory device without nanofabrication

Scientists have developed some of the tiniest magnets to date, just 3-7 nanometers (nm) in size. Due to their small dimensions and high thermal stability, as well as the simple self-assembly process used to make them, the ...

Optics & Photonics Aug 1, 2018

On-chip optical filter processes wide range of light wavelengths

MIT researchers have designed an optical filter on a chip that can process optical signals from across an extremely wide spectrum of light at once, something never before available to integrated optics systems that process ...

Nanophysics Jul 12, 2018

Smallest-ever magnetic vortexes mark step toward new digital memory

By twisting magnetism into record-small spirals, University of Nebraska-Lincoln physicists are speeding efforts to turn the digital equivalent of memory lane into a memory racetrack that could save energy and space in next-generation ...

Hardware Jul 6, 2018

High-power thermoelectric generator utilizes thermal difference of only 5C

A team of Japanese researchers from Waseda University, Osaka University, and Shizuoka University designed and successfully developed a high-power, silicon-nanowire thermoelectric generator which, at a thermal difference of ...

Nanophysics Jun 6, 2018

Single molecular insulator pushes boundaries of current state of the art

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 ...

Optics & Photonics May 23, 2018

Team puts the optical microscope under the microscope to achieve atomic accuracy

Over the last two decades, scientists have discovered that the optical microscope can be used to detect, track and image objects much smaller than their traditional limit—about half the wavelength of visible light, or a ...

Optics & Photonics May 21, 2018

New technique reveals 3-D shape of nanostructure's polariton interaction

Nanostructures are the holy grail of new materials. The wonder material graphene, for example, is a single layer of carbon atoms arranged in a hexagonal pattern that, because of its conductivity, flexibility, transparency ...

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