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Stress-induced polarization-graded ferroelectrics Joseph V. Mantese,a)

Summary: Stress-induced polarization-graded ferroelectrics
Joseph V. Mantese,a)
Norman W. Schubring, Adolph L. Micheli,
and Margarita P. Thompson
Delphi Research Laboratories, Shelby Township, Michigan 48315
Ratna Naik
Department of Physics and Astronomy, Wayne State University, Detroit, Michigan 48202
Gregory W. Auner
Department of Electrical and Computer Engineering, Wayne State University, Detroit, Michigan 48202
I. Burc Misirlioglu and S. Pamir Alpay
Department of Metallurgy and Materials Engineering and Institute of Materials Science,
University of Connecticut, Storrs, Connecticut 06269
Received 20 February 2002; accepted for publication 10 June 2002
Polarization-graded ferroelectrics and their electrically active embodiments, graded ferroelectric
devices and transpacitors, have been formed from a variety of material systems, both by grading the
composition of the ferroelectric and by imposing temperature gradients normal to the electrode
surfaces. In this letter, we show how these same devices can be formed from homogeneous
ferroelectric films of lead strontium titanate by imposing stress gradients on the material normal to
their electrode surfaces. 2002 American Institute of Physics. DOI: 10.1063/1.1498506
Polarization-graded ferroelectrics and their associated


Source: Alpay, S. Pamir - Department of Materials Science and Engineering, University of Connecticut


Collections: Materials Science