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Quantum Physics Dec 24, 2019

First chip-to-chip quantum teleportation harnessing silicon photonic chip fabrication

The development of technologies which can process information based on the laws of quantum physics are predicted to have profound impacts on modern society.

General Physics Aug 14, 2020

Black silicon photodetector breaks the 100% efficiency limit

Aalto University researchers have developed a black silicon photodetector that has reached above 130% efficiency. Thus, for the first time, a photovoltaic device has exceeded the 100% limit, which has earlier been considered ...

Nanophysics Sep 2, 2016

For first time, carbon nanotube transistors outperform silicon

For decades, scientists have tried to harness the unique properties of carbon nanotubes to create high-performance electronics that are faster or consume less power—resulting in longer battery life, faster wireless communication ...

Quantum Physics Oct 5, 2015

Crucial hurdle overcome in quantum computing

The significant advance, by a team at the University of New South Wales (UNSW) in Sydney appears today in the international journal Nature.

Nanophysics Nov 25, 2015

New technology makes metal wires on solar cells nearly invisible to light

A solar cell is basically a semiconductor, which converts sunlight into electricity, sandwiched between metal contacts that carry the electrical current.

Quantum Physics Dec 12, 2017

New silicon structure opens the gate to quantum computers

In a major step toward making a quantum computer using everyday materials, a team led by researchers at Princeton University has constructed a key piece of silicon hardware capable of controlling quantum behavior between ...

Condensed Matter Feb 16, 2023

Perovskites, a 'dirt cheap' alternative to silicon, just got a lot more efficient

Silicon, the standard semiconducting material used in a host of applications—computer central processing units (CPUs), semiconductor chips, detectors, and solar cells—is an abundant, naturally occurring material. However, ...

Nanomaterials May 5, 2009

'Most extreme' material: Graphene could be successor to silicon for next generation microchips; 200 times stronger than

(PhysOrg.com) -- In a blown-up image from a scanning tunneling microscope, it looks just like an endless sheet of chicken wire: a simple flat sheet made up of a lattice of hexagons. But this nanoscopic material called graphene, ...

Nanomaterials Jun 13, 2013

Silicon-based nanoparticles could make LEDs cheaper, greener to produce

(Phys.org) —Light-emitting diodes, or LEDs, are the most efficient and environmentally friendly light bulbs on the market. But they come at a higher up-front price than other bulbs, especially the ones with warmer and more ...

Superconductivity Aug 15, 2019

Newfound superconductor material could be the 'silicon of quantum computers'

A potentially useful material for building quantum computers has been unearthed at the National Institute of Standards and Technology (NIST), whose scientists have found a superconductor that could sidestep one of the primary ...

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