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Tag: materials sciences

Berkeley Lab Scientists Discover Surprising New Properties in a 2-D Semiconductor

Scientists Take a Major Leap Toward a ‘Perfect’ Quantum Metamaterial

Illustration - The wavelike pattern at the top shows the accordion-like structure of a proposed quantum material—an artificial crystal made of light—that can trap atoms in regularly spaced nanoscale pockets. These pockets can be made to hold a large collection of ultracold “host” atoms (green), slowed to a standstill by laser light, and individually planted “probe” atoms (red) that can be made to transmit quantum information in the form of a photon (particle of light). The lower panel shows how the artificial crystal can be reconfigured with light from an open (hyperbolic) geometry to a closed (elliptical) geometry, which greatly affects the speed at which the probe atom can release a photon. (Credit: Pankaj K. Jha/UC Berkeley)

Four Berkeley Lab Researchers Named to National Academy of Sciences

Construction Begins on Major Upgrade to World’s Brightest X-ray Laser

Image - An electron beam travels through a niobium cavity, a key component of a future LCLS-II X-ray laser, in this illustration. Kept at minus 456 degrees Fahrenheit, these cavities will power a highly energetic electron beam that will create up to 1 million X-ray flashes per second. (Credit: SLAC National Accelerator Laboratory)

Scientists Push Valleytronics One Step Closer to Reality

Revealing the Fluctuations of Flexible DNA in 3-D

Illustration: In a Berkeley Lab-led study, flexible double-helix DNA segments connected to gold nanoparticles are revealed from the 3-D density maps (purple and yellow) reconstructed from individual samples using a Berkeley Lab-developed technique called individual-particle electron tomography or IPET. Projections of the structures are shown in the background grid. (Credit: Berkeley Lab)

Nature-Inspired Nanotubes That Assemble Themselves, With Precision

‘Disruptive Device’ Brings Xenon-NMR to Fragile Materials

New Fuel Cell Design Powered by Graphene-wrapped Nanocrystals

Photo - A powdery mixture of graphene-wrapped magnesium nanocrystals, produced at Berkeley Lab, is stable in air. The mixture's energy properties show promise for use in hydrogen fuel cells. (Eun Seon Cho/Berkeley Lab)

New Form of Electron-beam Imaging Can See Elements that are ‘Invisible’ to Common Methods

A New Spin on Quantum Computing: Scientists Train Electrons with Microwaves

Photo: Researchers at Berkeley Lab's NCDX-II accelerator.

‘Lasers Rewired’: Scientists Find a New Way to Make Nanowire Lasers

Image showing a nanolaser emitting bright light.