How one photon becomes four charge carriers

Photovoltaics, the conversion of light to electricity, is a key technology for sustainable energy. Since the days of Max Planck and Albert Einstein, we know that light as well as electricity come in tiny, quantized packets ...

Floquet band engineering in black phosphorus

Physicists have been trying to identify reliable strategies to manipulate quantum states in solid-state materials, cold atoms and other systems, as this could inform the development of new technologies. One of these strategies ...

Berkeley lab scientists unveil an X-ray technique called HARPES

The expression “beauty’s only skin-deep” has often been applied to the chemistry of materials because so much action takes place at the surface. However, for many of the materials in today’s high technologies, ...

A bright light for ultrafast snapshots of materials

If you want to understand how novel phases emerge in correlated materials, including high-temperature superconductivity and nanoscale electronic order, you can obtain completely new viewpoints by taking 'snapshots' of underlying ...

Research reveals quantum topological potential in material

New research into topological phases of matter may spur advances in innovative quantum devices. As described in a new paper published in the journal Nature Communications, a research team including Los Alamos National Laboratory ...

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