Hierarchical Magnetic Structure (image) American Institute of Physics Share Print E-Mail Caption This is a schematic image of the three levels and their characteristic properties of a hierarchical structure of magnetic nanoparticles. Credit Fabian, Elm, Hofmann, Klar/AIP Publishing Usage Restrictions This image may be used only with appropriate credit. Share Print E-Mail 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.