Search results for phonons

Nanophysics Mar 19, 2021

Researchers tailor the interaction of electrons in an atomically thin solid

Physicists in Regensburg and Marburg have tailored the mutual interaction of electrons in an atomically thin solid by simply covering it with a crystal featuring hand-picked lattice dynamics.

Materials Science Mar 16, 2021

A promising breakthrough for a better design of electronic materials

Finding the best materials for tomorrow's electronics is the goal of Professor Emanuele Orgiu of the Institut national de la recherche scientifique (INRS). Among the materials in which Professor Orgiu is interested are some ...

Optics & Photonics Mar 12, 2021

Remote control for quantum emitters

In order to exploit the properties of quantum physics technologically, quantum objects and their interaction must be precisely controlled. In many cases, this is done using light. Researchers at the University of Innsbruck ...

Optics & Photonics Mar 11, 2021

Modulation of photocarrier relaxation dynamics in two-dimensional semiconductors

Two-dimensional (2D) semiconductors can host a rich set of excitonic species because of the greatly enhanced Coulomb interactions. The excitonic states can exhibit large oscillator strengths and strong light-matter interactions, ...

General Physics Mar 10, 2021

How the electronic properties and atomic vibrations of uranium are linked

Researchers have explained how the electronic properties and atomic vibrations of uranium are linked.

Optics & Photonics Mar 2, 2021

Photon-photon polaritons: the intriguing particles that emerge when two photons couple

Scientists at the University of Bath in the UK have found a way to bind together two photons of different colors, paving the way for important advancements in quantum-electrodynamics—the field of science that describes ...

Optics & Photonics Mar 2, 2021

Photonics discovery portends dramatic efficiencies in silicon chips

A team led by Vanderbilt engineers has achieved the ability to transmit two different types of optical signals across a single chip at the same time.

Nanomaterials Mar 1, 2021

New skills of graphene: Tunable lattice vibrations

Without electronics and photonics, there would be no computers, smartphones, sensors, or information and communication technologies. In the coming years, the new field of phononics may further expand these options. That field ...

Nanomaterials Feb 23, 2021

The magic angle of twisted graphene

Graphene, a two-dimensional material composed exclusively of carbon, has revealed extraordinary properties, including thermal and electrical conductivity, transparency, and flexibility. When combined, these properties become ...

Polymers Feb 22, 2021

Polymer film protects from electromagnetic radiation, signal interference

As electronic devices saturate all corners of public and personal life, engineers are scrambling to find lightweight, mechanically stable, flexible, and easily manufactured materials that can shield humans from excessive ...

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