layers
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Physics
Peeling back the layers: investigating the capping effect on nickelate superconductors
NSLS-II beamline scientists (top row, left to right) Jonathan Pelliciari, Claudio Mazzoli, (bottom row, left to right) Andi Barbour, Valentina Bisogni, Shiyu Fan, Vivek Bhartiya, Taehun Kim. Credit: Kevin Coughlin/Brookhaven National Laboratory So-called “infinite layer” nickelate materials, characterized by unique crystalline and electronic structures, show great potential as high-temperature superconductors. Studying these materials remains difficult for researchers. They were synthesized…
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Nanotechnology
Physicists reveal how layers and twist affect graphene’s photoconductivity
New research led by FSU assistant professor of physics Guangxin Ni reveals the optoelectronic properties of twisted bilayer graphene. Credit: Guangxin Ni When it comes to conductive nanomaterials, graphene, which is stronger and lighter than steel and more conductive than copper, has been shown to be an excellent choice for a wide range of technologies. Physicists are working to learn…
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Nanotechnology
Theoretical physicists reveal how twisting layers of material creates mysterious electron path deflection effects
(Left) Atomic force microscopy image showing a sample of twisted layers of WS2 (a material made of tungsten and sulfur). Scale bar represents 4 micrometers (4 millionths of a meter). (Right) Diagram showing how to measure the Hall effect (lateral voltage) in twisted materials. The red arrow represents the path of the electron, and V0 and VH are the voltages…
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