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Piezoelectric property of PZT nanofibers characterized by resonant piezo-force microscopy

Journal Article · · AIP Advances
DOI:https://doi.org/10.1063/5.0081109· OSTI ID:1973504
 [1];  [2];  [3];  [4];  [1]
  1. Stevens Institute of Technology, Hoboken, NJ (United States)
  2. City Univ. of New York (CUNY), NY (United States)
  3. Brookhaven National Lab. (BNL), Upton, NY (United States). National Synchrotron Light Source II (NSLS-II)
  4. State Univ. of New York (SUNY), Syracuse, NY (United States). Upstate Medical University

Nano-piezoelectric materials have drawn tremendous research interest. However, characterization of their piezoelectric properties, especially measuring the piezoelectric strain coefficients, remains a challenge. Normally, researchers use an AFM-based method to directly measure nano-materials’ piezoelectric strain coefficients. But, the extremely small piezoelectric deformation, the influence from the parasitic electrostatic force, and the environmental noise make the measurement results questionable. In this paper, a resonant piezo-force microscopy method was used to accurately measure the piezoelectric deformation from 1D piezoelectric nanofibers. During the experiment, the AFM tip was brought into contact with the piezoelectric sample and set to work at close to its first resonant frequency. A lock-in amplifier was used to pick up the sample’s deformation signal at the testing frequency. By using this technique, the piezoelectric strain constant d33 of the Lead Zirconate Titanate (PZT) nanofiber with a diameter of 76 nm was measured. The result showed that d33 of this PZT nanofiber was around 387 pm/V. Meanwhile, by tracking the piezoelectric deformation phase image, domain structures inside PZT nanofibers were identified.

Research Organization:
Brookhaven National Laboratory (BNL), Upton, NY (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
SC0012704
OSTI ID:
1973504
Alternate ID(s):
OSTI ID: 1846856
Report Number(s):
BNL-224378-2023-JAAM
Journal Information:
AIP Advances, Journal Name: AIP Advances Journal Issue: 3 Vol. 12; ISSN 2158-3226
Publisher:
American Institute of Physics (AIP)Copyright Statement
Country of Publication:
United States
Language:
English

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