Figure 1 (IMAGE) Institute for Basic Science Caption Fig. 1-a (Top) The crystal structure of NiPS3 ; Fig. 1-b (Down) An exciton state proposed for NiPS3. Credit IBS Usage Restrictions Please indicate the credit. 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.