Thin Copper/Gold Film (IMAGE) Siberian Federal University Caption This is an image of thin copper/gold film made with transmission electron microscope. Credit Source: Sergey M. Zharkov et. al. / <i>Journal of Solid State Chemistry</i>, 2018. 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.