Electronic Origin and Tailoring of Photovoltaic Effect in BiFeO₃ Single Crystals

Abstract

The sub-band levels situated around 2.2 eV within the band gap are at the electronic origin of the anomalous photo­voltaic effect in BiFeO3 single crystals. The photovoltaic effect can be effectively tailored by controlling the activity of the sub-band levels via thermal and electrical treatments. As a service to our authors and readers, this journal provides supporting information supplied by the authors. Such materials are peer reviewed and may be re-organized for online delivery, but are not copy-edited or typeset. Technical support issues arising from supporting information (other than missing files) should be addressed to the authors. Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.