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Micropatterned lead zirconium titanate thin films

Published online by Cambridge University Press:  31 January 2011

J. S. Vartuli ,
M. Özenbaş ,
C-M. Chun ,
M. Trau  and
I. A. Aksay
J. S. Vartuli
Affiliation:
Department of Chemical Engineering, Princeton University, Princeton, New Jersey 08544-5263
M. Özenbaş
Affiliation:
Department of Metallurgical and Materials Engineering, Middle East Technical University, Ankara 06531, Turkey
C-M. Chun
Affiliation:
Department of Chemical Engineering, Princeton University, Princeton, New Jersey 08544-5263
M. Trau
Affiliation:
Department of Chemical Engineering, Princeton University, Princeton, New Jersey 08544-5263
I. A. Aksay
Affiliation:
Department of Chemical Engineering, Princeton University, Princeton, New Jersey 08544-5263
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Abstract

Micropatterning of Pb(Zr0.52Ti0.48)O3 (PZT) thin films with line features as small as 350 nm was demonstrated through capillary molding of organometallic solutions within the continuous channels of an elastomeric mold. Despite the large stresses that develop during the evaporation of the solvent, pyrolysis of the organics, and the densification and crystallization of the inorganic gel, the patterned crystalline PZT films were crack-free and mechanically robust. Flawless regions as large as 1 cm2 were obtained. The cross-sectional shape of the patterned PZT lines was trapezoidlike. Single perovskite PZT grains that formed during annealing at 600–700 °C completely filled the cross-sectional area of the patterned lines. Lead acetate, zirconium propoxide, and titanium isopropoxide were used as the starting materials. Substrates used included silver tape, stainless steel plate, silicon wafer, and platinum-coated silicon wafer.

Type
Articles
Information
Journal of Materials Research , Volume 18 , Issue 5 , May 2003 , pp. 1259 - 1265
Copyright
Copyright © Materials Research Society 2003

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