Magnetite Nanocrystal and Magnetic Vortex Structure (image) Forschungszentrum Juelich Share Print E-Mail Caption This is an electron microscopy image of a magnetite nanocrystal (left) and the magnetic vortex structure (right), made visible for the first time by researchers from Jülich and the United Kingdom using electron holography. Credit Imperial College London Usage Restrictions Image may only be used 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.