Localized electronic states induced by defects and possible origin of ferroelectricity in strontium titanate thin films
Kim, YS (Kim, Y. S.), Kim, J (Kim, J.), Moon, SJ (Moon, S. J.), Choi, WS (Choi, W. S.), Chang, YJ (Chang, Y. J.), Yoon, JG (Yoon, J. -G.), Yu, J (Yu, J.), Chung, JS (Chung, J. -S.), Noh, TW (Noh, T. W.)
APPLIED PHYSICS LETTERS, 2009