Klimov (IMAGE) DOE/Los Alamos National Laboratory Caption This is a collage showing contains a transmission electron microscopy image of the improved quantum dot and its representation (left), the schematic of the device which nicely illustrates 'current-focusing' idea (middle), and the device under operation (right). Credit LANL 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.