Role of measurement voltage on hysteresis loop shape in Piezoresponse Force Microscopy

E. Strelcov; Y. Kim; J. C. Yang; Y. H. Chu; P. Yu; X. Lu; S. Jesse; S. V. Kalinin

doi:10.1063/1.4764939

Role of measurement voltage on hysteresis loop shape in Piezoresponse Force Microscopy

E. Strelcov, Y. Kim, J. C. Yang, Y. H. Chu, P. Yu, X. Lu, S. Jesse, S. V. Kalinin

Center for Nanophase Matls Sciences

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

55 Scopus citations

Abstract

The dependence of field-on and field-off hysteresis loop shape in Piezoresponse Force Microscopy (PFM) on driving voltage, V _ac, is explored. A nontrivial dependence of hysteresis loop parameters on measurement conditions is observed. The strategies to distinguish between paraelectric and ferroelectric states with small coercive bias and separate reversible hysteretic and non-hysteretic behaviors are suggested. Generally, measurement of loop evolution with V _ac is a necessary step to establish the veracity of PFM hysteresis measurements.

Original language	English
Article number	192902
Journal	Applied Physics Letters
Volume	101
Issue number	19
DOIs	https://doi.org/10.1063/1.4764939
State	Published - Nov 5 2012

Funding

This research was conducted at the Center for Nanophase Materials Sciences, which is sponsored at Oak Ridge National Laboratory by the Scientific User Facilities Division, Office of Basic Energy Sciences, U.S. Department of Energy. Y.H.C. acknowledges the support of the National Science Council, Republic of China, under Contract No. NSC-100-2119-M-009-003.

Funders	Funder number
National Science Council, Republic of China	NSC-100-2119-M-009-003
Scientific User Facilities Division
U.S. Department of Energy
Basic Energy Sciences
Oak Ridge National Laboratory

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AU - Lu, X.

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AU - Kalinin, S. V.

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AB - The dependence of field-on and field-off hysteresis loop shape in Piezoresponse Force Microscopy (PFM) on driving voltage, V ac, is explored. A nontrivial dependence of hysteresis loop parameters on measurement conditions is observed. The strategies to distinguish between paraelectric and ferroelectric states with small coercive bias and separate reversible hysteretic and non-hysteretic behaviors are suggested. Generally, measurement of loop evolution with V ac is a necessary step to establish the veracity of PFM hysteresis measurements.

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Role of measurement voltage on hysteresis loop shape in Piezoresponse Force Microscopy

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