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Science 16 February 2007:
Vol. 315. no. 5814, pp. 954 - 959
DOI: 10.1126/science.1129564
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Review

Applications of Modern Ferroelectrics

J. F. Scott

Long viewed as a topic in classical physics, ferroelectricity can be described by a quantum mechanical ab initio theory. Thin-film nanoscale device structures integrated onto Si chips have made inroads into the semiconductor industry. Recent prototype applications include ultrafast switching, cheap room-temperature magnetic-field detectors, piezoelectric nanotubes for microfluidic systems, electrocaloric coolers for computers, phased-array radar, and three-dimensional trenched capacitors for dynamic random access memories. Terabit-per-square-inch ferroelectric arrays of lead zirconate titanate have been reported on Pt nanowire interconnects and nanorings with 5-nanometer diameters. Finally, electron emission from ferroelectrics yields cheap, high-power microwave devices and miniature x-ray and neutron sources.

Centre for Ferroics, Earth Sciences Department, University of Cambridge, Cambridge CB2 3EQ, UK.

E-mail: jsco99{at}esc.cam.ac.uk

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THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
Studying Atomic Structures by Aberration-Corrected Transmission Electron Microscopy.
K. W. Urban (2008)
Science 321, 506-510
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Science. ISSN 0036-8075 (print), 1095-9203 (online)