Abstract
An atomic force microscope (AFM) probing system was connected with a ferroelectric test system to measure the polarization hysteresis (P–E) curve and longitudinal displacement properties simultaneously with a large AC drive signal at 5 Hz, since this measurement system has the advantages of enabling dynamic evaluation of longitudinal displacement and direct comparison of the ferroelectric and piezoelectric properties. With decreasing the top electrode diameter from 500 to 30 µm, the longitudinal displacement direction changes from negative to positive since the longitudinal piezoelectric effect becomes dominant. The longitudinal piezoelectric constant calculated with a unipolar signal (+5 V, 5 Hz) was d33 =108 pm/V for a 30-µm-dia top electrode. This value is lower than that of bulk PZT but higher than that of reported data measured using the double-beam laser interferometer or the AFM with a small AC signal of about 1 kHz.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
