phase transition Archives | The American Ceramic Society

phase transition

High heat and pressure help researchers fabricate first samples of transparent silicon nitride

By April Gocha / March 23, 2017

By processing samples of silicon nitride under high pressure and heat, researchers at the Deutsches Elektronen-Synchrotron have converted an originally opaque hexagonal crystal structure into optically transparent cubic silicon nitride.

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Other materials stories that may be of interest

By April Gocha / August 24, 2016

New method to purify carbon nanotubes, solid batteries improve safety, and other materials stories that may be of interest for August 24, 2016.

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Other materials stories that may be of interest

By April Gocha / March 2, 2016

Flexible solar cells could happen, industrial nanoparticles pose no threat, and other materials stories that may be of interest for March 2, 2015.

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Giant electric field-induced strains in lead-free ceramics

By April Gocha / December 3, 2015

An Iowa State University research team led by Xiaoli Tan recently discovered that Sr and Nb co-doped polycrystalline ceramics can generate the highest reported electrostrain value to date in any lead-free polycrystalline ceramic and represents a 50% improvement over previous results.

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Silica’s secret—Newly identified phases show amorphous states absent at high pressure

By April Gocha / March 25, 2015

A team from the Carnegie Institute for Science recently discovered five rare forms of silica that form under extreme pressures at room temperature.

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Hanging tough: Rare ceramic goes amorphous for strength

By April Gocha / November 5, 2014

New research into a rare form of silica, stishovite, shows that the metastable material gets tough by a unique mechanism—transitioning from a crystalline to amorphous structure.

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