Effect of reduced dimensionallity on the optical band gap of SrTiO3

Effect of reduced dimensionallity on the optical band gap of SrTiO₃
Che-Hui Lee, N. J. Podraza, Y. Zhu, R. F. Berger, S. Shen, M. Sestak, R. W. Collins, L. F. Kourkoutis, J. A. Mundy, H. Wang, Q. Mao, X. Xi, L. J. Brillson, J. B. Neaton, D. A. Muller, D. G. Schlom
Appl. Phys. Lett. 102, 122901 (2013)