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Researchers demonstrate graphene-based nanoelectromechanical periodic array with tunable frequency

Phys.org   -   Scientific News Websites

Phononic crystals (PnCs) are artificial structural composites with periodic modulation of elastic parameters, and they are capable of regulating the propagation of sound waves. Devices with different geometric parameters have been made to regulate...

Oct 28, 2021

Stacking the deck: Layers of crystalline nanosheets enable tunable electronic properties

ScienceDaily   -   General News Websites

Researchers have obtained and characterized two-dimensional (2D) boron monosulfide (BS) nanosheets. The bandgap energy of a single BS nanosheet was greater than that of the bulk material from which it came. As additional 2D layers were stacked, th...

Oct 28, 2021

Directly measuring electrical properties in ultra-thin topological insulators

Phys.org   -   Scientific News Websites

Physicists at Forschungszentrum Jülich have made a significant step towards the realization of new types of electronic components. Using a special four-tip scanning tunneling microscope, they were able to directly measure the extraordinary electri...

Oct 28, 2021

Researchers observe interband collective excitations in twisted bilayer graphene

Phys.org   -   Scientific News Websites

Twisted bilayer graphene is a carbon-based, two-dimensional (2D) material comprising two graphene layers. Although many scientists have recently started exploring its potential for superconductivity and magnetism, so far, there have been very few ...

Oct 28, 2021

Carbon Nanotubes Could Help Electronics Withstand Outer Space’s Damaging Cosmic Radiation

SciTechDaily   -   Scientific News Websites

Space missions, such as NASA’s Orion that will take astronauts to Mars, are pushing the limits of human exploration. But during their transit, spacecrafts encounter... The post Carbon Nanotubes Could Help Electronics Withstand Outer Space’s Damag...

Oct 28, 2021

Graphene assists in creating new “smart-window-like” technology

Graphene Info   -   Scientific and Educational Websites

Researchers at Duke University have used graphene to develop a unique electrochromic technology for smart window-like devices that can alternate between harvesting heat from sunlight and allowing an object to cool. The approach could promote HVAC ...

Oct 28, 2021

Nickel single atom and copper nanoparticles used for highly selective tandem electrocatalysis of CO2 to ethylene

Phys.org   -   Scientific News Websites

The electroreduction reaction of CO2 (CO2RR) into higher-value C2+ (C≥2) products such as C2H4 provides an environmental friendly technology to realize the cyclic utilization of carbon resources, but the activity and selectivity of higher-value C2...

Oct 28, 2021

On-water creation of conducting metal-organic–framework nanosheets

Phys.org   -   Scientific News Websites

Oil and water do not mix, but what happens where oil and water meet? Or where air meets liquid? Unique reactions occur at these interfaces, which a team of researchers based in Japan used to develop the first successful construction of uniform, el...

Oct 28, 2021

Novel Nano-Filter Removes Anionic and Cationic Dyes from Wastewater

AZoNano   -   Nanotechnology Websites

Every day, globally, synthetic dyes are released into wastewater and as a result pollute the environment, calling for sophisticated methods of water purification. Researchers from Korea, Russia, and India have worked collaboratively to create a na...

Oct 28, 2021

New Reusable Nano Filter can Absorb Harmful Compounds from Wastewater

AZoNano   -   Nanotechnology Websites

RUDN University chemist, together with colleagues from Korea and India, has created a reusable nano filter that can absorb harmful compounds from wastewater. Moreover, it works simultaneously for organic and inorganic pollutants. The results are p...

Oct 28, 2021

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