Local measurements of Preisach density in polycrystalline ferroelectric capacitors using piezoresponse force spectroscopy

O. Ovchinnikov; S. Jesse; S. Guo; K. Seal; P. Bintachitt; I. Fujii; S. Trolier-Mckinstry; S. V. Kalinin

doi:10.1063/1.3360220

Local measurements of Preisach density in polycrystalline ferroelectric capacitors using piezoresponse force spectroscopy

O. Ovchinnikov, S. Jesse, S. Guo, K. Seal, P. Bintachitt, I. Fujii, S. Trolier-Mckinstry, S. V. Kalinin

Center for Nanophase Matls Sciences

Research output: Contribution to journal › Article › peer-review

26 Scopus citations

Abstract

Polarization switching in polycrystalline ferroelectric capacitors is explored using piezoresponse force microscopy (PFM) based first-order reversal curve (FORC) measurements. The band excitation method facilitates decoupling the electromechanical responses from variations in surface elastic properties. A simulated annealing method is developed to estimate the Preisach densities from PFM FORC data. Microscopic and macroscopic Preisach densities are compared, illustrating good agreement between the two.

Original language	English
Article number	112906
Journal	Applied Physics Letters
Volume	96
Issue number	11
DOIs	https://doi.org/10.1063/1.3360220
State	Published - 2010

Funding

The research was sponsored by the Scientific User Facilities Division, Office of Basic Energy Sciences, U.S. Department of Energy. O.O. acknowledges the ORNL SULI Program. P.B., I.F., and S.T.M. gratefully recognize support from the Center for Dielectric Studies, a National Security Science and Engineering Faculty Fellowship, and the Royal Thai Government. S.V.K. is grateful for Asylum Research Corporation for providing the beta-site for the HV PFM module.

Funders	Funder number
National Security Science and Engineering
Royal Thai Government
Scientific User Facilities Division
U.S. Department of Energy
Basic Energy Sciences

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10.1063/1.3360220

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abstract = "Polarization switching in polycrystalline ferroelectric capacitors is explored using piezoresponse force microscopy (PFM) based first-order reversal curve (FORC) measurements. The band excitation method facilitates decoupling the electromechanical responses from variations in surface elastic properties. A simulated annealing method is developed to estimate the Preisach densities from PFM FORC data. Microscopic and macroscopic Preisach densities are compared, illustrating good agreement between the two.",

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AU - Fujii, I.

AU - Trolier-Mckinstry, S.

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AB - Polarization switching in polycrystalline ferroelectric capacitors is explored using piezoresponse force microscopy (PFM) based first-order reversal curve (FORC) measurements. The band excitation method facilitates decoupling the electromechanical responses from variations in surface elastic properties. A simulated annealing method is developed to estimate the Preisach densities from PFM FORC data. Microscopic and macroscopic Preisach densities are compared, illustrating good agreement between the two.

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Local measurements of Preisach density in polycrystalline ferroelectric capacitors using piezoresponse force spectroscopy

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