MnAs Nanoparticles in GaAs (IMAGE) University of Tokyo Caption Transmission electron microscope images of MnAs nanoparticles in GaAs. Credit ©2019 Ohya Laboratory Usage Restrictions ©2019 Ohya Laboratory 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.