Fig. 2 (IMAGE) Osaka University Caption (a) Atomic force microscopy image of a quantum dot. (b) Photoinduced force microscopy image at 660 nm. (c) Photoinduced force profiles for the image. A spatial resolution of less than 1 nm has been obtained. Credit Osaka University Usage Restrictions None 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.