Carbon defect complex in silicon (IMAGE) Thayer School of Engineering at Dartmouth Caption Depiction of a carbon defect complex in silicon. The silicon atoms are in blue, carbon is in brown, and the yellow surface indicates the computed localization of electrons for a certain excited state of the defect. Credit Geoffroy Hautier/Dartmouth Engineering Usage Restrictions Must use credit 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.