Synthesis of ferroelectric materials by glass crystallisation is attractive to produce both high-quality textures and composites. In the present work, composites based on ferroelectric stillwellite-like LaBSiO5 and glasses having compositions near to compounds Pb5Ge3O11, PbLiPO4 and PbBPO5 were synthesised and their dielectric and pyroelectric properties examined. A pyroelectric coefficient of about 0.5 nC/cm(2) K may be obtained by liquid-phase sintering of pellets. Preliminary data on crystallisation processes of the lead-containing glasses as well as on the chemical interactions between stillwellite-like LaBSiO5 and glasses at the sintering temperature are reported. (C) 2000 Elsevier Science Ltd. All rights reserved.
Pyroelectric composites based on LaBSiO5 stillwellite / V. N., Sigaev; A. B., Mamonova; Pernice, Pasquale; Aronne, Antonio; S. Y., Stefanovich; A. A., Bush. - In: JOURNAL OF THE EUROPEAN CERAMIC SOCIETY. - ISSN 0955-2219. - STAMPA. - 20:(2000), pp. 1225-1229. [10.1016/S0955-2219(99)00291-5]
Pyroelectric composites based on LaBSiO5 stillwellite
PERNICE, PASQUALE;ARONNE, ANTONIO;
2000
Abstract
Synthesis of ferroelectric materials by glass crystallisation is attractive to produce both high-quality textures and composites. In the present work, composites based on ferroelectric stillwellite-like LaBSiO5 and glasses having compositions near to compounds Pb5Ge3O11, PbLiPO4 and PbBPO5 were synthesised and their dielectric and pyroelectric properties examined. A pyroelectric coefficient of about 0.5 nC/cm(2) K may be obtained by liquid-phase sintering of pellets. Preliminary data on crystallisation processes of the lead-containing glasses as well as on the chemical interactions between stillwellite-like LaBSiO5 and glasses at the sintering temperature are reported. (C) 2000 Elsevier Science Ltd. All rights reserved.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
