Bi2S3 Crystal and Schematic Setup (image) ICFO-The Institute of Photonic Sciences Share Print E-Mail Caption left: STEM imaging of crystal where the red and green balls represent bismuth and sulphur atoms. Right: schematic illustration of Bi2S3 detector on the Si/SiO2 substrate. Credit ICFO Usage Restrictions None Share Print E-Mail 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.