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Nonlinear optical and electrostatic force microscopy for ferroelectric polarization imaging |
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| Authors: | ED Mishina NE Sherstyuk KA Vorotilov AS Sigov R Barberi MP Moret F Manders MP De Santo PK Larsen T Rasing |
| Institution: | (1) Moscow Institute of Radioengineering, Electronics and Automation, Moscow 117454, Russia, RU;(2) Istituto Nazionale di Fisica della Materia, Dipartimento di Fisica, Universita’ della Calabria, 87036 Cosenza, Italy, IT;(3) Research Institute for Materials, University of Nijmegen, 6525 ED Nijmegen, The Netherlands, NL |
| Abstract: | Second-harmonic generation (SHG)-based nonlinear optical microscopy is used for spatially resolved imaging of the polarization switching in lead zirconium titanate ferroelectric thin films. The local SHG hysteresis loops reveal a strong dependence on film composition and structure. The SHG microscopy results are in good agreement with the efficiency of electrostatic force microscopy writing and allow us to predict the microscopic dielectric memory efficiency, both in contact and contact-less ways. Received: 15 January 2001 / Revised version: 27 March 2002 / Published online: 6 June 2002 |
| Keywords: | PACS: 42 65 k 68 37 Ps 77 80 Fm |
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