Piezoresponse Force Microscopy Studies of Switching Behavior of Ferroelectric Capacitors on a 100-ns Time Scale

Gruverman, A. and Wu, D. and Scott, J. F. (2008) Piezoresponse Force Microscopy Studies of Switching Behavior of Ferroelectric Capacitors on a 100-ns Time Scale. Physical Review Letters, 100 (9). 097601-4. DOI 10.1103/PhysRevLett.100.097601

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Abstract

Piezoresponse force microscopy is a powerful technique for nm-scale studies but is usually limited by response time. In this Letter, we report the first direct studies of ferroelectric capacitor switching on a submicrosecond time scale. Simultaneous domain imaging and sub-s transient current measurements establish a direct relationship between polarization Pt and domain kinetics. Switching times scale with capacitor size over an order of magnitude. Small capacitors, where polarization reversal is dominated by domain wall motion, switch faster at high fields but more slowly at low fields while larger capacitors do the reverse.

Item Type: Article
Uncontrolled Keywords: 2007 AREP IA55 2008 P
Subjects: 03 - Mineral Sciences
Divisions: 03 - Mineral Sciences
Journal or Publication Title: Physical Review Letters
Volume: 100
Page Range: 097601-4
Identification Number: 10.1103/PhysRevLett.100.097601
Depositing User: Sarah Humbert
Date Deposited: 16 Feb 2009 13:02
Last Modified: 23 Jul 2013 10:07
URI: http://eprints.esc.cam.ac.uk/id/eprint/342

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