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Search results for metamaterials

Condensed Matter Feb 8, 2022

Researchers develop methodology for streamlined control of material deformation

Can you crumple up two sheets of paper the exact same way? Probably not—the very flexibility that lets flexible structures from paper to biopolymers and membranes undergo many types of large deformations makes them notoriously ...

General Physics Feb 8, 2022

A new paradigm to break the electromagnetic reciprocity in 3D bulk metamaterials

Transistors based on semiconductor materials are widely used electronic components with many remarkable properties. For instance, they have a nonreciprocal electrical response, which means that they can isolate two parts ...

Materials Science Feb 2, 2022

Scientists engineer new material that can absorb and release enormous amounts of energy

A team of researchers from the University of Massachusetts Amherst recently announced in the Proceedings of the National Academy of Sciences that they had engineered a new rubber-like solid substance that has surprising qualities. ...

Optics & Photonics Feb 2, 2022

A nanoscale 3D structure to control light

Metamaterials, made up of small, repeated structures, engineered to produce desired interactions with light or sound waves, can improve optical devices used in telecommunications, imaging and more. But the functionality of ...

Optics & Photonics Jan 7, 2022

Making an object invisible under fluid flow

The invisibility cloak is an artifact that can make the wearer transparent, rendering it undetectable to observers outside. Perhaps, one of the most well-known examples is the invisibility cloak possessed by Harry Potter ...

General Physics Jan 5, 2022

The first topological acoustic transistor

Topological materials move electrons along their surface and edges without any loss, making them promising materials for dissipationless, high-efficiency electronics. Researchers are especially interested in using these materials ...

Optics & Photonics Jan 5, 2022

Suppressing the Auger recombination process in quantum dots

A Quantum Dot (QD) is a nanometer-sized semiconductor nanocrystal that has unique optical properties such as the ability to emit light in the range of optical frequencies depending on its size. QDs have already been applied ...

Optics & Photonics Dec 27, 2021

Allying meta-structures with diverse optical waveguides for integrated photonics and more

Comprised of judiciously engineered microscopic photonic structures with subwavelength features, the concepts of metasurface and metamaterials have proven fruitful results in the realm of meta-optics. Previous research attentions ...

Optics & Photonics Dec 21, 2021

Creating invisibility with superconducting materials

Invisibility devices may soon no longer be the stuff of science fiction. A new study published in the De Gruyter journal Nanophotonics by lead authors Huanyang Chen at Xiamen University, China, and Qiaoliang Bao, suggests ...

General Physics Dec 20, 2021

Reentrant tensegrity: An auxetic, three-periodic, chiral tensegrity structure

In a new report now published in Science Advances, Mathias Oster, and a team of scientists at the Institute for Mathematics at the Berlin Institute of Technology and the School of Engineering at the University of Edinburg ...

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