Materials synthesis (IMAGE) University of Minnesota Caption University of Minnesota Associate Professor Bharat Jalan and his students discovered that the true dielectric constant of their strontium titanate films exceeds 25,000—the highest ever measured for this material. Credit Jalan Group, University of Minnesota Usage Restrictions Use with credit License Original 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.