Nanocrystal lattice planes (IMAGE) Lewis & Clark College Caption This image demonstrates how three families of planes in the face-centered cube extended crystal lattice are defined relative to the unit cell, how atoms are packed on the surfaces of these planes, and how these planes can form the crystal facets of three nanoparticle shapes. Credit Anne Bentley / Lewis & Clark College Usage Restrictions Please only use with credit License Original 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.