Affiliation:
1. Collaborative Innovation Center of Advanced Microstructures, National Laboratory of Solid State Microstructures, School of Physics, Nanjing University, Nanjing 210093, China
Abstract
The double-wave method is widely used in ferroelectric measurements to eliminate the effects of conductance and capacitance components while preserving the ferroelectric domain contribution. However, in polycrystalline ferroelectric material, the assumption of the evolution of domains by the double-wave method no longer applies due to the domain back switch of de-field, and the domain contribution calculated by the current subtraction method is also problematic. Therefore, we proposed a new method to calculate the charge contribution of conductance and eliminate the conductance interference in the hysteresis loop. Finally, the feasibility of this new method is verified in many typical polycrystalline ferroelectric materials. This work provides a path for the study of ferroelectric properties of some high conductivity materials.
Funder
National Natural Science Foundations of China
National Key R&D Program of China
Top-Notch Young Talents Program of China, Deng feng Project B of Nanjing University
Open Fund of Key Laboratory for Intelligent Nano Materials and Devices of the Ministry of Education
Subject
General Physics and Astronomy
Cited by
5 articles.
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