illustration of quantum dots (image) Linköping University Share Print E-Mail Caption The quantum dots in the opto-spintronic nanostructure are made from indium arsenide (InAs). Each quantum dot is around 10,000 times smaller than the thickness of a human hair. Credit Yuqing Huang Usage Restrictions May only be used for reporting about the related research (doi: 10.1038/s41566-021-00786-y). Please use appropriate caption and credit. 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.