Search results for doped silicon

Optics & Photonics Jun 16, 2022

Photonic integrated erbium doped amplifiers reach commercial performance

Erbium-doped fiber amplifiers (EDFAs) are devices that can provide gain to the optical signal power in optical fibers. They are often used in long-distance communication fiber optic cables and fiber-based lasers. Invented ...

Space Exploration May 23, 2022

Self-cleaning spacecraft surfaces to combat microbes

Astronauts live and work in orbit along with teeming populations of microorganisms, which could present a serious threat to health—and even the structural integrity of spacecraft. To help combat such invisible stowaways, ...

Nanomaterials May 18, 2022

Synthesis of two-dimensional holey graphyne

Diamond and graphite are two naturally occurring carbon allotropes that we have known about for thousands of years. They are elemental carbons that are arranged in a manner so that they consist of sp3 and sp2 hybridized carbon ...

Optics & Photonics May 13, 2022

On-chip photodetection: Two-dimensional material heterojunctions

Photonic integrated circuits (PICs) use photons as information carriers and are expected to solve the bottleneck problems of microelectronic chips in terms of speed, power consumption and integration density with their advantages ...

Nanomaterials Apr 28, 2022

Beyond van der Waals: The next generation of covalent 2D-2D heterostructures

A team of scientists have "velcroed" 2D structures of MoS2 and graphene using a covalent connection for the first time. The 2D-2D structures were used to build robust field effect transistors with controlled electronic communication, ...

Materials Science Feb 25, 2022

A simple methodology for the synthesis of novel β-SiC nanoparticle-based anode materials for lithium-ion batteries

Lithium-ion batteries (LIBs), known for their longevity, excellent charge storage characteristics, high energy density, and high operating voltage, have become the cornerstone of portable electronics, electronic vehicles, ...

Nanophysics Feb 7, 2022

Nanowires under tension create the basis for ultrafast transistors

Smaller chips, faster computers, less energy consumption. Novel concepts based on semiconductor nanowires are expected to make transistors in microelectronic circuits better and more efficient. Electron mobility plays a key ...

Nanophysics Jan 12, 2022

Building a silicon quantum computer chip atom by atom

A University of Melbourne-led team has perfected a technique for embedding single atoms in a silicon wafer one-by-one. Their technology offers the potential to make quantum computers using the same methods that have given ...

Quantum Physics Jan 5, 2022

Controlling self-doping in magnetite with temperature

One of the most abundant iron-containing minerals on Earth, and also the oldest known magnetic material, is magnetite, Fe3O4. Magnetite has applications in many fields, such as the study of paleomagnetism—magnetism in rocks ...

General Physics Dec 20, 2021

Exploring factors impacting the sensitivity of amorphous oxide semiconductors to externally induced impurities

In recent years, electronics engineers have been trying to broaden the pool of available semiconducting materials, to enable the development of a wider range of devices. One emerging class of semiconductors are amorphous ...

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