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Taylor and Francis Group, Phase Transitions, 6-7(79), p. 415-426

DOI: 10.1080/01411590600892179

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Broad-band dielectric spectroscopy of tetragonal PLZT<b>x</b>/40/60

Journal article published in 2006 by E. Buixaderas, D. Nuzhnyy, S. Veljko, M. Savinov, P. Vaněk, S. Kamba ORCID, J. Petzelt, M. Kosec
Distributing this paper is prohibited by the publisher
Distributing this paper is prohibited by the publisher

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Abstract

The dielectric behaviour of tetragonal PLZT x/40/60 ceramics doped with lanthanum (x = 5, 12 and 15%) has been investigated at 100–10 Hz. Dielectric, THz and infrared spectra were measured from 500 to 20 K. For x ≥ 12 relaxor ferroelectric behaviour was observed. All three samples showed an additional relaxational mode below phonons. Analysis of the phonon modes for ferroelectric PLZT 5/40/60 is presented together with the complete dielectric behaviour.