Neutron Science News & Highlights | Neutron Science at ORNL

Rice University graduate student Lebing Chen spent three months perfecting a recipe for making flat sheets of chromium triiodide, a two-dimensional quantum material that appears to be a “magnetic topological insulator.” (Photo by Jeff Fitlow/Rice University)

‘Magnetic topological insulator’ makes its own magnetic field

Recent News & Highlights

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Cold neutrons used in hot pursuit of better thermoelectrics
$Two neutron diffraction experiments (represented by pink and blue neutron beams) probed a salty solution to reveal its atomic structure. The only difference between the experiments was the identity of the oxygen isotope (O*) that labeled nitrate molecules (NO3-)—either 16O or 18O. The solution also contained potassium ions (K+) dissolved in heavy water (D2O). Credit: Lukas Vlcek, Hsiu-Wen Wang and Adam Malin/Oak Ridge National Laboratory, U.S. Dept. of Energy$

Seeing a salt solution’s structure supports one hypothesis about how minerals form