Self-powered ultraviolet photovoltaic effects based on metal/SrTiO3Schottky junctionsK. X. Jin, Y. Zhang, B. C. Luo, J. Y. Wang, C. L. Chen and T. WuEPL, 103 5 (2013) 57007DOI: https://doi.org/10.1209/0295-5075/103/57007