Search results for mesoscopic

Nanophysics Mar 19, 2021

Plasmonic tweezers: For nanoscale optical trapping and beyond

Optical tweezers and associated manipulation tools in the far field have had a major impact on scientific and engineering research by offering precise manipulation of small objects. More recently, near-field manipulation ...

Nanomaterials Feb 25, 2021

Scientists induce artificial 'magnetic texture' in graphene

Graphene is incredibly strong, lightweight, conductive ... the list of its superlative properties goes on.

General Physics Feb 8, 2021

The direct observation of the Pauli principle

The Pauli exclusion principle is a law of quantum mechanics introduced by Austrian physicist Wolfgang Pauli, which offers valuable insight about the structure of matter. More specifically, the Pauli principle states that ...

Optics & Photonics Jan 27, 2021

A vacuum-ultraviolet laser with submicrometer spot for spatially resolved photoemission spectroscopy

If vacuum ultraviolet lasers can be focused into a small beam spot, it will allow investigation of mesoscopic materials and structures and enable the manufacture of nano-objects with excellent precision. Towards this goal, ...

Bio & Medicine Dec 28, 2020

The evolution of single amyloid fibrils into microcrystals

Amyloids refer to abnormal fibrous extracellular and proteinaceous deposits found in organs and tissues that form insoluble constructs that are resistant to degradation. Their formation can accompany disease, where each disease ...

Quantum Physics Dec 4, 2020

Electrical spin filtering the key to ultra-fast, energy-efficient spintronics

Spin-filtering could be the key to faster, more energy-efficient switching in future spintronic technology, allowing the detection of spin by electrical rather than magnetic means.

Nanophysics Nov 6, 2020

Researchers find material ultra-sensitive to light for use in optical computers

ITMO researchers have discovered a material that is ultra-sensitive to light. Moreover, they were able to identify a parameter that will help find other structures with high refractive coefficients. This discovery will bring ...

Optics & Photonics Nov 2, 2020

Single-shot 3-D wide-field fluorescence imaging with a computational miniature mesoscope

The online feature cover photograph on Science Advances this week displays fluorescence imaging with a computational miniature mesoscope (CM2). The technique of fluorescence imaging is an essential tool for biologists and ...

Quantum Physics Oct 6, 2020

A protocol to minimize the thermodynamic cost of erasing a single bit over a given amount of time

Stochastic thermodynamics theory is a framework that delineates the amount of heat, dynamics and entropy in small (i.e., mesoscopic) systems that are far from a state of thermodynamic equilibrium. In recent years, scientists ...

Materials Science Sep 23, 2020

Single photon emission from isolated monolayer islands of InGaN

Single photon emitters are essential devices for the realization of future optical quantum technologies including optical quantum computing and quantum key distribution. Towards this goal, Scientists in China and Japan identified ...

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