Fig. 4: The experimental setup. (IMAGE) University of Vienna Caption Fig. 4: The experimental setup. Credit Noura Zenbaa, NanoMag, U of Vienna Usage Restrictions Credit must be given to the creator. License CC BY 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.