BFO Mixed Phase Film Schematic (IMAGE) DOE/Lawrence Berkeley National Laboratory Caption The schematic shows the structural arrangement of rhombohedral and tetragonal phases in a special bismuth ferrite film -- magnetization is confined to the rhombohedral phase. Credit Image from Ramesh group Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.