Hot-pressed transparent PLZT ceramics from low cost chemical processing

AUTOR(ES)

Santos, I.A., Endo, C., Zanin, A.L., Lente, M.H., Eiras, J.A., Garcia, D.

FONTE

Materials Research

DATA DE PUBLICAÇÃO

2001-10

RESUMO

Lanthanum-modified lead zirconate titanate (PLZT) ceramics were obtained with high transmittance in the visible range by a combination of an inexpensive chemical processing and hot pressing. Optical, microstructural, pyroelectric, ferroelectric and dielectric properties characterized in this study attested the applicability of the employed method in the production of PLZT transparent ferroelectric ceramics. In fact, the corresponding analyzed physical parameters are in very good agreement with those obtained in samples traditionally prepared by other methods. Furthermore, due to high sample quality, a phenomenological analysis of the PLZT 10/65/35 relaxor features was performed in these ceramics.

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