IMAGE1 (IMAGE) Nara Institute of Science and Technology Caption (a) Wide and (b) magnified images of the fabricated Si pyramids. Four slopes correspond to Si{111} facet surfaces. Credit Ken Hattori Usage Restrictions Credit Required. 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.