Stacked Structure (IMAGE) University of Würzburg Caption The JMU researchers plan to realize such a stacked structure. It consists of metallic graphene (bottom), insulating boron nitride (middle) and semiconducting molybdenum disulfide (top). The red dot symbolizes the single spin defect in one of the boron nitride layers. The defect can serve as a local probe in the stack. Credit (Image: Andreas Gottscholl / University of Wuerzburg) 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.