Bismuth vanadate sample (IMAGE) City University of Hong Kong Caption Figure a shows a scanning electron microscope image of the 3DOM bismuth vanadate sample; Figure b is a plate-like sample. Credit City University of Hong Kong Usage Restrictions Image must be used with appropriate caption and credit. 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.