Energy Sciences Directorate

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March 9, 2022
News Feature
It’s a significant step in understanding these whirling quasiparticles and putting them to work in future semiconductor technologies.
A beam of light hits a semiconductor material, ejecting an electron (blue) which goes on to partner with a hole (orange) to form a whirling compound particle, the exciton.
March 7, 2022
News Feature
SLAC’s Matt Garrett and Susan Simpkins talk about tech transfer that brings innovations from the national lab to the people, including advances for medical devices and self-driving vehicles.
Tech Transfer
February 14, 2022
News Feature
X-ray laser experiments show that intense light distorts the structure of a thermoelectric material in a unique way, opening a new avenue for controlling the properties of materials.
Illustration shows two ball-and-stick molecules in pink and red separated by a blurred streak representing how the first structure is slightly deformed into the second.
January 26, 2022
News Feature
The results cap 15 years of detective work aimed at understanding how these materials transition into a superconducting state where they can conduct electricity with no loss.
Conceptual illlustration showing a beam of light entering from the right and hitting a material, ejecting a sphere representing an electron
January 6, 2022
News Feature
Cryo-EM snapshots of the solid-electrolyte interphase, or SEI, reveal its natural swollen state and offer a new approach to lithium-metal battery design.
Electron microscope image of a sample grid with tiny holes holding thin films of battery electrolyte and tiny lithium metal wires
January 3, 2022
News Feature
Islands of inactive lithium creep like worms to reconnect with their electrodes, restoring a battery’s capacity and lifespan.
Conceptual illustration shows an EKG-like pulse of energy flatlining as it enters a battery, then coming back to life as it exits
November 16, 2021
News Feature
A better understanding of this process could inform the next generation of artificial photosynthetic systems that produce clean and renewable energy.
water droplets on plant
October 22, 2021
News Feature
Topological insulators conduct electricity on their surfaces but not through their interiors. SLAC scientists discovered that high harmonic generation produces a unique signature from the topological surface.
A counterclockwise pattern of swirling arrows This pattern of arrows representing the combined spin and momentum of electrons in the surface layer of a topological insulator
October 13, 2021
News Feature
Spawned by the spins of electrons in magnetic materials, these tiny whirlpools behave like independent particles and could be the future of computing. Experiments with SLAC’s X-ray laser are revealing their secrets.
Illustration of skyrmions -- little whirlpools of magnetism formed by the spins of atoms.
September 15, 2021
News Feature
Much like crystallizing rock candy from sugar syrup, the new method grows 2D perovskites precisely layered with other 2D materials to produce crystals with a wide range of electronic properties.
Illustration of layers of 2D materials assembling themselves from chemicals tumbling in water

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