Majorana Animation (video) Princeton University Share Print E-Mail Loading video... Caption Princeton University researchers first deposited iron atoms onto a lead surface to create an atomically thin wire. They then used their microscope to map a signal that indicates the presence of the particle, called a Majorana fermion. Credit Ilya Dorzdov, Yazdani Lab, Princeton University Usage Restrictions For non-commercial use. 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.