Extreme Thin Films (IMAGE) American Institute of Physics Caption These are gold-coated notebook paper pieces with ultra-thin germanium films of different thickness deposited on top. Credit M. Kats / Harvard 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.