Photovoltaic Device (IMAGE) Elhuyar Fundazioa Caption This is an artist's impression of the magnetic field and current generated by the new photovoltaic device. Credit nanoGUNE Usage Restrictions None License Licensed 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.