Tag Archives: Materials Sciences

Analyzing the Sharkskin Instability

Posted on August 18, 2021 by rberkowitz

The stretching and recoiling of polymer chains leads to the characteristic ridge pattern as a soft material exits a narrow nozzle. Continue reading →

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Leaking oxygen leaves gaps deep within lithium-ion battery electrodes

Posted on July 6, 2021 by rberkowitz

Mapping the structure left behind after oxygen atoms seep from the electrodes could lead to new fixes that improve the batteries’ lifetime. Continue reading →

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A tabletop waveguide delivers coherent x rays

Posted on April 1, 2021 by rberkowitz

The layered anode emits bright, directed beams without the need for mirrors or large-scale accelerators. Continue reading →

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A tabletop waveguide delivers focused x rays

Posted on February 28, 2021 by rberkowitz

By simultaneously generating and guiding beams, the layered anode emits x rays in one direction without the need for mirrors or large-scale accelerators. Continue reading →

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Speeding Toward Improved Hydrogen Fuel Production

Posted on December 26, 2020 by rberkowitz

A new nanomaterial helps obtain hydrogen from a liquid energy carrier, in a key step toward a stable and clean fuel source. Continue reading →

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A 2D Metal Compound Shows a Superconducting Surprise

Posted on December 10, 2020 by rberkowitz

A cesium-rich “kagome” metal is both a topological insulator and a superconductor, making it a compelling material for future quantum technologies. Continue reading →

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Charges Cascading Along a Molecular Chain

Posted on November 14, 2020 by rberkowitz

Removing one charged molecule from a one-dimensional array causes the others to alternately turn ‘on’ or ‘off,’ paving the way for information transfer in tiny circuits. Continue reading →

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A Tune for Lowering Lattice Friction

Posted on November 3, 2020 by rberkowitz

Placing an acoustic source on a sample could eliminate the energy dissipation caused by atomic defects moving through the solid. Continue reading →

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Toward an Ultrahigh Energy Density Capacitor

Posted on August 19, 2020 by rberkowitz

By introducing defects to a common material, Berkeley Lab researchers create a highly efficient capacitor with dramatically increased energy density. Continue reading →

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Coldest Electrons Ever from Photocathodes

Posted on August 6, 2020 by rberkowitz

Researchers have generated the coldest electrons to date from solid-state photocathodes, an achievement that could improve electron sources for particle accelerators and ultrafast electron microscopy applications.  Continue reading →

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