Unit Cell (IMAGE) University of Würzburg Caption The unit cell of the circuit contains two nodes where the voltage is being measured. It is periodically arranged to resemble the crystal structure of a solid. Credit Chair of Theoretical Physics I / 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.