Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/32741
Title: Heterolayered ferroelectric thin films and methods of forming same
Authors: WANG, JOHN 
ZHOU, ANTHONY ZHAOHUI 
XUE, JUNMIN 
Issue Date: 12-Jun-2007
Source: WANG, JOHN,ZHOU, ANTHONY ZHAOHUI,XUE, JUNMIN (2007-06-12). Heterolayered ferroelectric thin films and methods of forming same. ScholarBank@NUS Repository.
Abstract: Heterolayered thin films having ferroelectric/piezoelectric layers of alternating crystal structures and methods of their preparation are provided. In the ferroelectric/piezoelectric thin film, a first layer has a rhombohedral crystal structure and a second layer adjacent the first layer has a tetragonal crystal structure. The layers have a (100) preferred orientation with .alpha.-axis normal to the surface of the film. The first layer can be a Zr-rich lead ziroconate titanate layer (e.g., PbZr.sub.0.8Ti.sub.0.2O.sub.3) and the second layer can be a Ti-rich PZT layer (e.g., PbZr.sub.0.2Ti.sub.0.8O.sub.3). Heterolayered ferroelectric/piezoelectric thin film comprising a plurality of such first and second layers in alternating sequence exhibits particularly improved electrical properties.
URI: http://scholarbank.nus.edu.sg/handle/10635/32741
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