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cond-mat.mtrl-sci2005
Far-infrared soft mode behavior in PST thin films
S. Kamba, M. Berta, M. Kempa +3
Temperature dependences of the optic phonons in sol-gel films deposited on sapphire substrates were studied by means of Fourier transform far-infrared t…
cond-mat.mtrl-sci2004
Central mode and soft mode behavior in PbMg1/Nb2/3O3 relaxor ferroelectric
S. Kamba, M. Kempa, V. Bovtun +3
The relaxor ferroelectric PbMg1/Nb2/3O3 was investigated by means of broad-band dielectric and Fourier Transform Infrared (FTIR) transmission spectroscopy in the frequency range fr…
cond-mat.mtrl-sci2004
Dielectric spectra of a new relaxor ferroelectric system Ba2LnTi2Nb3O15 (Ln=La, Nd)
S. Kamba, S. Veljko, M. Kempa +7
New relaxor ferroelectric system has been synthesized. BLTN exhibits a smeared maximum of permittivity, characteristic of classic relaxor behaviour, with a peak shift from 185 K at…