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Diamond is hard to beat: Experiment finds wBN indentation strength lower than diamond

By Lisa McDonald / September 27, 2019

In 2009, a theoretical simulation predicted wurtzite boron nitride had an indentation strength higher than diamond. Now, researchers in China and Saudi Arabia experimentally measured wBN’s hardness—and found it much closer to cubic boron nitride instead.

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Creating diamonds at room temperature from carbon nanofibers and nanotubes

By Lisa McDonald / February 5, 2019

North Carolina State University researchers successfully created diamonds at room temperature in 2015 using carbon thin films. Now, they accomplished the same feat using carbon nanofibers and nanotubes.

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Other materials stories that may be of interest

By April Gocha / December 27, 2017

The ultimate defense against hackers may be just a few atoms thick, glass with switchable opacity could improve solar cells and LEDs, and other materials stories that may be of interest for December 27, 2017.

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New facets for the role of defects in ceramics, plus more inside January/February 2018 ACerS Bulletin

By April Gocha / December 21, 2017

The January/February 2018 issue of the ACerS Bulletin—featuring articles about new facets for defects in ceramics, innovative new concretes, the NSF CAREER Class of 2017, and much more—is now available online.

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Other materials stories that may be of interest

By April Gocha / May 3, 2017

Graphene holds up under high pressure, freezing lithium batteries may make them safer and bendable, and other materials stories that may be of interest for May 3, 2017.

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Other materials stories that may be of interest

By April Gocha / December 21, 2016

Black phosphorus doesn’t mind water, supercomputer simulation reveals 2-D glass can go infinitely soft, and other materials stories that may be of interest for December 21, 2016.

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Gallium nitride has wear resistance that approaches that of diamond

By April Gocha / November 15, 2016

Researchers at Lehigh University report that in addition to gallium nitride’s checklist of other useful properties, the material has a wear rate that approaches that of diamonds—which could open the material’s foray into even more diverse applications.

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Other materials stories that may be of interest

By April Gocha / September 28, 2016

Hairy nanorods have diverse applications, merging solar with liquid batteries, and other materials stories that may be of interest for September 28, 2016.

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Researchers create single diamond/boron nitride crystalline layers for more efficient high-power machining

By Stephanie Liverani / May 13, 2016

ACerS member Jay Narayan and his research team at North Carolina State University have developed a new technique to deposit diamond on the surface of cubic boron nitride, integrating the two materials into a single crystalline structure that can be used in high-power devices.

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Go thin or go home: Scientists create world’s thinnest lens that could revolutionize consumer tech

By Stephanie Liverani / March 11, 2016

Scientists at Australian National University (Canberra, Australia) created what they describe as “the world’s thinnest lens, one two-thousandth the thickness of a human hair,” which could revolutionize flexible computer displays and miniature cameras.

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