Hydrothermal and electrophoretic deposition of lead zirconate titanate (PZT) films

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Hydrothermal and electrophoretic deposition of lead zirconate titanate (PZT) films. / Button, Timothy; Su, Bo; Ponton, Clive.

In: Journal of the European Ceramic Society, Vol. 21, No. 10-11, 01.01.2001, p. 1539-1542.

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@article{16ad76fa73a646118aa0772ab1170093,
title = "Hydrothermal and electrophoretic deposition of lead zirconate titanate (PZT) films",
abstract = "Hydrothermal synthesis in conjunction with colloidal processing has been used to make PZT films in an aqueous solution. Fine PZT powders with a particle size of 200 nm and a narrow particle size distribution were synthesised hydrothermally at 300 degreesC. After washing, a dispersant (di-ammonium citrate) was added to the slurry to make a stable suspension. Electrophoretic deposition (EPD) was then employed to deposit PZT films directly from the hydrothermal PZT suspensions. The effects of the synthesis conditions on the particle size and size distribution of the PZT powders are briefly discussed. Various stabilisation mechanisms for the hydrothermal slurries have been investigated. The effects of the slurry properties and deposition parameters on the microstructure of deposited films are discussed. It is shown that PZT films with a thickness <5 m can be deposited via EPD on Pt wires. However, the limitation of electric field, which must be below the decomposition voltage of water, resulted in an inferior packing density during deposition. The films had to be sintered at relatively higher sintering temperatures (> 1000 degreesC) in comparison with powder compacts. In addition, interaction with the substrate was observed when PZT films were deposited and sintered on Pt-coated alumina substrates. (C) 2001 Elsevier Science Ltd. All rights reserved.",
keywords = "suspensions, hydrothermal, films, PZT",
author = "Timothy Button and Bo Su and Clive Ponton",
year = "2001",
month = jan,
day = "1",
doi = "10.1016/S0955-2219(01)00059-0",
language = "English",
volume = "21",
pages = "1539--1542",
journal = "Journal of the European Ceramic Society",
issn = "0955-2219",
publisher = "Elsevier",
number = "10-11",

}

RIS

TY - JOUR

T1 - Hydrothermal and electrophoretic deposition of lead zirconate titanate (PZT) films

AU - Button, Timothy

AU - Su, Bo

AU - Ponton, Clive

PY - 2001/1/1

Y1 - 2001/1/1

N2 - Hydrothermal synthesis in conjunction with colloidal processing has been used to make PZT films in an aqueous solution. Fine PZT powders with a particle size of 200 nm and a narrow particle size distribution were synthesised hydrothermally at 300 degreesC. After washing, a dispersant (di-ammonium citrate) was added to the slurry to make a stable suspension. Electrophoretic deposition (EPD) was then employed to deposit PZT films directly from the hydrothermal PZT suspensions. The effects of the synthesis conditions on the particle size and size distribution of the PZT powders are briefly discussed. Various stabilisation mechanisms for the hydrothermal slurries have been investigated. The effects of the slurry properties and deposition parameters on the microstructure of deposited films are discussed. It is shown that PZT films with a thickness <5 m can be deposited via EPD on Pt wires. However, the limitation of electric field, which must be below the decomposition voltage of water, resulted in an inferior packing density during deposition. The films had to be sintered at relatively higher sintering temperatures (> 1000 degreesC) in comparison with powder compacts. In addition, interaction with the substrate was observed when PZT films were deposited and sintered on Pt-coated alumina substrates. (C) 2001 Elsevier Science Ltd. All rights reserved.

AB - Hydrothermal synthesis in conjunction with colloidal processing has been used to make PZT films in an aqueous solution. Fine PZT powders with a particle size of 200 nm and a narrow particle size distribution were synthesised hydrothermally at 300 degreesC. After washing, a dispersant (di-ammonium citrate) was added to the slurry to make a stable suspension. Electrophoretic deposition (EPD) was then employed to deposit PZT films directly from the hydrothermal PZT suspensions. The effects of the synthesis conditions on the particle size and size distribution of the PZT powders are briefly discussed. Various stabilisation mechanisms for the hydrothermal slurries have been investigated. The effects of the slurry properties and deposition parameters on the microstructure of deposited films are discussed. It is shown that PZT films with a thickness <5 m can be deposited via EPD on Pt wires. However, the limitation of electric field, which must be below the decomposition voltage of water, resulted in an inferior packing density during deposition. The films had to be sintered at relatively higher sintering temperatures (> 1000 degreesC) in comparison with powder compacts. In addition, interaction with the substrate was observed when PZT films were deposited and sintered on Pt-coated alumina substrates. (C) 2001 Elsevier Science Ltd. All rights reserved.

KW - suspensions

KW - hydrothermal

KW - films

KW - PZT

UR - http://www.scopus.com/inward/record.url?scp=0034883387&partnerID=8YFLogxK

U2 - 10.1016/S0955-2219(01)00059-0

DO - 10.1016/S0955-2219(01)00059-0

M3 - Article

VL - 21

SP - 1539

EP - 1542

JO - Journal of the European Ceramic Society

JF - Journal of the European Ceramic Society

SN - 0955-2219

IS - 10-11

ER -