Researchers led by Brookhaven National Laboratory used neutrons at ORNL’s Spallation Neutron Source to aid in deciphering the mechanism underlying scandium fluoride’s ability to shrink upon heating. (Left) Kate Page, formerly of Oak Ridge National Laboratory, Brookhaven Lab physicist Emil Bozin, and ORNL instrument scientist Joerg Neuefeind. Credit: Genevieve Martin/Oak Ridge National Laboratory