Structural and optical properties of ultrathin filmsHaizhong Guo, Lifeng Liu, Zhenghao Chen, Shuo Ding, Hubin Lu, Kui-juan Jin, Yueliang Zhou and Bolin ChengEurophys. Lett., 73 1 (2006) 110-115DOI: https://doi.org/10.1209/epl/i2005-10360-3