Plasma atomic layer deposition (IMAGE) Ruhr-University Bochum Caption A plasma atomic layer deposition reactor is used to coat the substrate with the two-dimensional silicon dioxide material. Credit RUB, Kramer Usage Restrictions The image may only be used for reporting about Ruhr-Universität Bochum in the context of the press release "A sieve for molecules", published in March 2022. 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.