The properties of tantalum modified lithium niobate thin films prepared by a diol-based sol-gel processSan-Lin Young, Ming-Cheng Kao and Hone-Zern ChenEur. Phys. J. Appl. Phys., 36 1 (2006) 5-10DOI: https://doi.org/10.1051/epjap:2006099