J Petzelt,
S Kamba, J Fabry, D Noujni… - Journal of Physics …, 2004 - iopscience.iop.org
Infrared reflectivity, time-domain terahertz transmission, high-frequency dielectric
measurements and Raman spectroscopy of Na 0.5 Bi 0.5 TiO 3 complex ferroelectric …