by Zheng, X.G., Li, Q.Sh, Zhao, J.P., Chen, D., Zhao, B., Yang, Y.J., Zhang, L.Ch
Published in Applied surface science (15.12.2006)

by Zheng, X.G., Li, Q.Sh, Hu, W., Chen, D., Zhang, N., Shi, M.J., Wang, J.J., Zhang, L.Ch
Published in Journal of luminescence (2007)