Crystal structure of the yttrium alloy (IMAGE) California NanoSystems Institute Caption Ilustration of the crystal structure of the yttrium alloy, with the red line at left representing the laser pulse in and the blue and green lines at right representing the two types of magnons created. Credit Edoardo Baldini/University of Texas at Austin Usage Restrictions none 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.