Processing of Pb(Zn1/3Nb2/3)O3 ceramics at high pressures

P. Ravindranathan; V. Srikanth; S. Komarneni; A. S. Bhalla

doi:10.1080/00150199608244886

Processing of Pb(Zn_1/3Nb_2/3)O₃ ceramics at high pressures

P. Ravindranathan, V. Srikanth, S. Komarneni, A. S. Bhalla

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23 Scopus citations

Abstract

Lead zinc niobate (PZN) with 1 mole% of BaTiO₃ (BT) and pure PZN, both of pyrochlore structure were synthesized by solid state and sol-gel routes respectively. The pyrochlore ceramics were subjected to high pressures (20-35 Kbars) to convert them to perovskite phases. About 80% of perovskite phase was formed from sol-gel derived PZN ceramics while only about 53% perovskite resulted from conventionally processed PZN with 1 mole% BaTiO₃ additive at 20 Kbar, 2 hr. A maximum dielectric constant value of 11200 was obtained at 1 kHz for the PZN ceramics processed with 20 Kbar pressure.

Original language	English (US)
Pages (from-to)	135-141
Number of pages	7
Journal	Ferroelectrics
Volume	188
Issue number	1-4
DOIs	https://doi.org/10.1080/00150199608244886
State	Published - 1996

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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title = "Processing of Pb(Zn1/3Nb2/3)O3 ceramics at high pressures",

abstract = "Lead zinc niobate (PZN) with 1 mole% of BaTiO3 (BT) and pure PZN, both of pyrochlore structure were synthesized by solid state and sol-gel routes respectively. The pyrochlore ceramics were subjected to high pressures (20-35 Kbars) to convert them to perovskite phases. About 80% of perovskite phase was formed from sol-gel derived PZN ceramics while only about 53% perovskite resulted from conventionally processed PZN with 1 mole% BaTiO3 additive at 20 Kbar, 2 hr. A maximum dielectric constant value of 11200 was obtained at 1 kHz for the PZN ceramics processed with 20 Kbar pressure.",

author = "P. Ravindranathan and V. Srikanth and S. Komarneni and Bhalla, {A. S.}",

year = "1996",

doi = "10.1080/00150199608244886",

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T1 - Processing of Pb(Zn1/3Nb2/3)O3 ceramics at high pressures

AU - Ravindranathan, P.

AU - Srikanth, V.

AU - Komarneni, S.

AU - Bhalla, A. S.

PY - 1996

Y1 - 1996

N2 - Lead zinc niobate (PZN) with 1 mole% of BaTiO3 (BT) and pure PZN, both of pyrochlore structure were synthesized by solid state and sol-gel routes respectively. The pyrochlore ceramics were subjected to high pressures (20-35 Kbars) to convert them to perovskite phases. About 80% of perovskite phase was formed from sol-gel derived PZN ceramics while only about 53% perovskite resulted from conventionally processed PZN with 1 mole% BaTiO3 additive at 20 Kbar, 2 hr. A maximum dielectric constant value of 11200 was obtained at 1 kHz for the PZN ceramics processed with 20 Kbar pressure.

AB - Lead zinc niobate (PZN) with 1 mole% of BaTiO3 (BT) and pure PZN, both of pyrochlore structure were synthesized by solid state and sol-gel routes respectively. The pyrochlore ceramics were subjected to high pressures (20-35 Kbars) to convert them to perovskite phases. About 80% of perovskite phase was formed from sol-gel derived PZN ceramics while only about 53% perovskite resulted from conventionally processed PZN with 1 mole% BaTiO3 additive at 20 Kbar, 2 hr. A maximum dielectric constant value of 11200 was obtained at 1 kHz for the PZN ceramics processed with 20 Kbar pressure.

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Processing of Pb(Zn_1/3Nb_2/3)O₃ ceramics at high pressures

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