Characterization

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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Opening a window to better batteries: Researchers get up-close to watch lithium dendrites grow

By April Gocha / October 20, 2016

A team of University of Michigan researchers has developed a strategy to observe dendrite formation in batteries in real time—observations that will help scientists understand how dendrites form and ultimately develop better future batteries.

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Move over silicon: Magnetoelectric multiferroics and tiny transistors could enable faster computers that consume less power

By April Gocha / October 18, 2016

The continuing trend for electronics is to pack more power into a smaller device that requires less energy input. Two significant materials research advances—one published in Nature and one published in Science—are moving precisely in that direction.

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3-D-printed bioceramic composite offers flexible new hope for bone replacement

By April Gocha / October 4, 2016

Researchers at Northwestern University report that they’ve developed a hyperelastic material that can be 3-D-printed into a scaffold that may someday help repair and replace human bone.

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Ripple effect: Ripplocations help explain dislocation theory in layered materials

By April Gocha / September 30, 2016

Researchers at Drexel University report on their studies of MAX phase ceramics that describe a completely new observation of how materials deform—a finding with broad implications for various other kinds of layered materials.

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MXene films provide option for better, thinner electromagnetic shielding for electronic devices

By April Gocha / September 20, 2016

Researchers at Drexel University and Korea Institute of Science & Technology are working together to develop new materials into incredibly thin and lightweight films than can more effectively block electromagnetic radiation.

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Spark plasma sintering welds graphene into 3-D structures to replace bone

By April Gocha / September 16, 2016

Researchers at Rice University (Houston, Texas) aren’t missing out on graphene’s skeletal potential—using spark plasma sintering of graphene flakes, the researchers fabricated 3-D porous solids from that they say will make an excellent bone replacement material.

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Predicting atomic positions: Bayesian statistics enable more accurate materials characterization

By April Gocha / September 6, 2016

Researchers at North Carolina State University, the National Institute of Standards and Technology, and Oak Ridge National Laboratory have devised a new method for characterizing materials that can more accurately predict crystallographic structures.

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NASA Glenn materials engineer Valerie Wiesner explores potential of ceramic matrix composites

By April Gocha / September 1, 2016

ACerS member Valerie Wiesner, a materials engineer at NASA Glenn Research Center in Cleveland, Ohio, is one of the many scientists trying to fully unlock the potential of ceramic matrix composite materials.

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A new spin on silicon: Liquid precursor fabricates silicon nanowires to boost battery capacity, decrease cost

By April Gocha / August 26, 2016

Researchers at North Dakota State University (Fargo, N.D.) in collaboration with Pacific Northwest National Lab (Richland, Wash.) have made important progress in an alternative strategy to incorporate silicon into the anodes of lithium-ion batteries: silicon nanowires.

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