FIG 1 (IMAGE) Compuscript Ltd Caption Figure 1 (a) Photograph of a freestanding vacuum-filtrated h-BN thin film. (b) Transmission electron microscopy image of ball-milled h-BN nanosheets. (c) High-resolution transmission electron microscopy image of five-layer h-BN nanosheets. Credit OEA Usage Restrictions Credit must be given to the creator. License CC BY 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.