Figure 1 (a) (IMAGE) Hong Kong University of Science and Technology Caption Figure 1 (a) Sketch map of the symmetric (black line) and asymmetric (red line) energy barriers for switching Néel vector n . Credit HKUST Usage Restrictions no 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.