J. Sun, M. Vittadello, E. K. Akdoğan, A. Hall, N. M. Hagh, A. Safari
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引用次数: 2
Abstract
Lead zirconate titanate (PZT) thick films (6-70 mum) have been deposited on platinum coated alumina and silicon substrates using Micropentrade direct-write technique. Feedstock materials for Micropen deposition have been prepared by a modified sol-gel process in which different amounts of commercial PZT powder (15, 20, 25, 30 vol%) were dispersed in a stable PZT sol to achieve low temperature heat treatment conditions (700degC). The effects of the substrate, intermediate sol layer, film thickness, PZT content, and Micropen parameters on the resulting multi-layer PZT films have been investigated. The films using 15 vol% paste on Pt/Si substrate showed dielectric constant in the range 540-870, dielectric loss between 4.1 and 4.5 % at 1 kHz, remanent polarization (Pr) of 7-12 muC/cm2, and coercive field (Ec) of 24-30 kV/cm.
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