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Nanophysics Dec 4, 2020

Fine tuning the "twist" between 2-D materials in van der Waals heterostructures to help accelerate next gen electronics

A group of international researchers at The University of Manchester have revealed a novel method that could fine tune the angle—"twist"—between atom-thin layers that form exotic manmade nanodevices called van der Waals ...

Materials Science Nov 30, 2020

New procedure will reduce the need for rare metals in chemical synthesis

Pharmaceuticals, plastics, and many other chemical products have transformed human life. To prepare these products, chemists often use a catalyst—frequently based on rare metals—at various points in their syntheses. Although ...

Nanophysics Nov 30, 2020

Abnormal conductivity in low angle twisted bilayer graphene

Materials scientists can control the interlayer twist angle of materials to offer a powerful method to tune electronic properties of two-dimensional (2-D) van der Waals materials. In such materials, the electrical conductivity ...

Materials Science Nov 30, 2020

Decoupling electronic and thermal transport

A new University of Wollongong study overcomes a major challenge of thermoelectric materials, which can convert heat into electricity and vice versa, improving conversion efficiency by more than 60%.

Nanophysics Nov 24, 2020

Direct visualization of quantum dots reveals shape of quantum wave function

Trapping and controlling electrons in bilayer graphene quantum dots yields a promising platform for quantum information technologies. Researchers at UC Santa Cruz have now achieved the first direct visualization of quantum ...

Optics & Photonics Nov 23, 2020

Vibrational encounters—phonon polaritons meet molecules

Researchers from CIC nanoGUNE BRTA (San Sebastian, Spain), in collaboration with the Donostia International Physics Center (San Sebastián, Spain) and the University of Oviedo (Spain) employed a spectroscopic nanoimaging ...

Nanomaterials Nov 19, 2020

A 2-D perspective: Stacking materials to realize a low power consuming future

Scientists have designed a 2-D material-based multi-stacked structure comprising tungsten disulfide (WS2) layer sandwiched between hexagonal boron nitride (hBN) layers that displays long-range interaction between successive ...

Nanophysics Nov 13, 2020

Scientists discover new family of quasiparticles in graphene-based materials

A group of researchers led by Sir Andre Geim and Dr. Alexey Berdyugin at The University of Manchester have discovered and characterized a new family of quasiparticles named 'Brown-Zak fermions' in graphene-based superlattices.

Quantum Physics Nov 11, 2020

Researchers trap electrons to create elusive crystal

Like restless children posing for a family portrait, electrons won't hold still long enough to stay in any kind of fixed arrangement.

Nanomaterials Nov 9, 2020

Hollow porphyrinic nanospheres

Famous Catalan architect Antoni Gaudí once said, "Anything created by human beings is already in the great book of nature." Among different man-made architectures and art, spherical structures and shapes have been the most ...

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