Mesoscale2026-03-221 minarXiv:2603.21405expressA Thin Film That Switches HeatA thin film of nickel oxide, tens of nanometers thick, is like a sheet of paper folded hundreds of times thinner. At room temperature, it conducts electricity, but cool it slightly and it becomes an insulator.Lucy S. Nathwani·Anne Ruperto·Ashvini Vallipuram·Abigail Y. Jiang·Grace A. Pan·Dan Ferenc Segedin·Ari B. Turkiewicz·Charles M. Brooks·Jarad A. Mason·Qichen Song·Julia A. MundyLudwig BoltzmannRudolf Mossbauerthermal conductivityspectroscopy👍👎☆SimplePopularAdvanced
