silicon carbide

Electronics in space—high-temperature electrical tests reveal potential of various packaging materials for silicon carbide sensors

By Lisa McDonald / November 21, 2023

Silicon carbide electronics are expected to play a role in future space missions to hot celestial bodies, such as Venus and the sun. A new study by researchers at NASA Glenn Research Center investigated the electrical properties of several ceramic and glass packaging materials to determine which would best protect silicon carbide electronics at temperatures of more than 800°C.

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Monolayer silicon carbide achieved with both top-down and bottom-up synthesis methods

By Lisa McDonald / November 3, 2023

Theoretical studies have predicted that 2D silicon carbide in a stable honeycomb structure is possible, but experimentally achieving this material has proven difficult. Two recent papers successfully synthesized monolayer silicon carbide using top-down and bottom-up synthesis methods, respectively.

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Video: SiC chips make inroads in the automotive industry

By Lisa McDonald / August 23, 2023

Silicon carbide-based semiconductor chips are starting to be embraced by automotive manufacturers looking to overcome the limitations of traditional silicon. To prepare for an expected surge in demand for SiC electronics, several semiconductor manufacturers have announced plans to construct new or expand existing fabrication facilities.

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‘SiC’ new analytical protocol offers affordable purity analysis of silicon carbide

By Lisa McDonald / May 30, 2023

Verifying the purity of ultrahigh-purity materials can be a challenge. Researchers in Italy and Norway developed a new analytical protocol based on laser ablation paired with inductively coupled plasma mass spectrometry to determine the purity of silicon carbide.

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A ‘gentle’ process for aircraft machining—researchers explore shaping SiC/SiC composites via plasma etching

By Lisa McDonald / September 10, 2021

SiC/SiC composites are one of the main ceramic matrix composites being investigated for aerospace applications. Researchers from Germany and China explored the potential of shaping such composites using the “gentle” machining process of plasma etching.

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Addressing the energy harvesting storage gap—ceramic matrix composites contain corrosive materials in thermal energy storage

By Jonathon Foreman / October 2, 2020

Thermal energy storage technologies are one way to store energy generated from renewable sources. But producing materials that can contain the high-temperature and corrosive materials integral to this technology is an ongoing area of research. Two recent ACerS journal articles explore methods of fabricating C/C-SiC CMCs for use as container materials.

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A tale of two SiC slurries—and how open science may someday impact research

By Jonathon Foreman / February 25, 2020

Fabricating dense, complex-shaped items from silicon carbide can be challenging due to the material’s properties. Manufacturers benefit from studies on reducing viscosity of SiC slurries, such as two recent ones published in an ACerS journal, but open access to the data behind such studies may benefit them even more.

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Nearing the theoretical limit of strength—nanoparticles toughen oxide glass

By Lisa McDonald / August 13, 2019

Reducing oxide glass brittleness is an active area of research. Researchers at the University of California, Los Angeles, created a tough oxide glass with a stress-modulus relationship near the theoretical limit by dispersing nanoparticles in a glass melt.

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Other materials stories that may be of interest

By Lisa McDonald / January 2, 2019

New perovskite efficiency record, 3D-printed transparent glass, and other materials stories that may be of interest for January 2, 2019.

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Other materials stories that may be of interest

By Faye Oney / June 27, 2018

Scientists create continuously emitting microlasers with nanoparticle-coated beads, Rutgers physicists create new class of 2-D artificial materials, and other materials stories that may be of interest for June 27, 2018.

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