Electric-field-controlled superconductor-ferromagnetic insulator transition (IMAGE) Science China Press Caption Front cover of 2019(10) issue of Science Bulletin. Credit �Science China Press Usage Restrictions Use with credit. 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.