Tag Archives: Materials Sciences

A tabletop waveguide delivers coherent x rays

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

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

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

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

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

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

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

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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Building Novel Carbon Allotropes

Calculations indicate that a form of carbon synthesized from pentagonal hydrocarbon molecules could have unusual electrical and mechanical properties.  Continue reading

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Unjammed Emulsions Collapse to Liquids

An emulsion’s rigidity disappears when the droplets’ random thermal motion overcomes the confining pressure that binds them.  Continue reading

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