Mechanical failure dependence on the electrical history of lead zirconate titanate thin films

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Mechanical failure dependence on the electrical history of lead zirconate titanate thin films. / Coleman, Kathlin; Ritter, Maximilian; Bermejo, Raul et al.
in: Journal of the European Ceramic Society, Jahrgang 41, Nr. 4, 04.2021, S. 2465-2471.

Publikationen: Beitrag in FachzeitschriftArtikelForschung(peer-reviewed)

Vancouver

Coleman K, Ritter M, Bermejo R, Trolier-McKinstry S. Mechanical failure dependence on the electrical history of lead zirconate titanate thin films. Journal of the European Ceramic Society. 2021 Apr;41(4):2465-2471. doi: https://doi.org/10.1016/j.jeurceramsoc.2020.11.002

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@article{9c331b9e2e0742f4b895b47446c181af,
title = "Mechanical failure dependence on the electrical history of lead zirconate titanate thin films",
abstract = "Piezoelectric micromechanical systems (piezoMEMS) are often subjected to harsh mechanical and electrical loads during operation. This study evaluates the effects of the electrical history of a lead zirconate titanate (PZT) layer on the electro-mechanical response and structural limits of multilayer stacks. Electro-mechanical characterization was performed under biaxial bending employing the Ball-on-three Balls (B3B) test on virgin, poled, and DC biased (80 kV/cm) samples. No significant effect on the characteristic strength or Weibull modulus of the stack was observed. However, the crack initiation stress was highest for the virgin samples (σ 0 ∼ 485 ± 30 MPa); this decreased for both poled samples (σ 0 ∼ 410 ± 30 MPa), and samples measured under 80 kV/cm (σ 0 ∼ 433 ± 30 MPa). in situ ε r and loss tangent measurements suggested electromechanical loading conditions can destabilize the domain structure. Overall, the electrical history and electromechanical loading conditions can reduce the PZT film's fracture resistance. ",
keywords = "Ferroelectric properties (c), Fracture (c), Mechanical properties (c), PZT (d), Piezoelectric properties (c)",
author = "Kathlin Coleman and Maximilian Ritter and Raul Bermejo and S. Trolier-McKinstry",
note = "Publisher Copyright: {\textcopyright} 2020 Elsevier Ltd",
year = "2021",
month = apr,
doi = "https://doi.org/10.1016/j.jeurceramsoc.2020.11.002",
language = "English",
volume = "41",
pages = "2465--2471",
journal = "Journal of the European Ceramic Society",
issn = "0955-2219",
publisher = "Elsevier",
number = "4",

}

RIS (suitable for import to EndNote) - Download

TY - JOUR

T1 - Mechanical failure dependence on the electrical history of lead zirconate titanate thin films

AU - Coleman, Kathlin

AU - Ritter, Maximilian

AU - Bermejo, Raul

AU - Trolier-McKinstry, S.

N1 - Publisher Copyright: © 2020 Elsevier Ltd

PY - 2021/4

Y1 - 2021/4

N2 - Piezoelectric micromechanical systems (piezoMEMS) are often subjected to harsh mechanical and electrical loads during operation. This study evaluates the effects of the electrical history of a lead zirconate titanate (PZT) layer on the electro-mechanical response and structural limits of multilayer stacks. Electro-mechanical characterization was performed under biaxial bending employing the Ball-on-three Balls (B3B) test on virgin, poled, and DC biased (80 kV/cm) samples. No significant effect on the characteristic strength or Weibull modulus of the stack was observed. However, the crack initiation stress was highest for the virgin samples (σ 0 ∼ 485 ± 30 MPa); this decreased for both poled samples (σ 0 ∼ 410 ± 30 MPa), and samples measured under 80 kV/cm (σ 0 ∼ 433 ± 30 MPa). in situ ε r and loss tangent measurements suggested electromechanical loading conditions can destabilize the domain structure. Overall, the electrical history and electromechanical loading conditions can reduce the PZT film's fracture resistance.

AB - Piezoelectric micromechanical systems (piezoMEMS) are often subjected to harsh mechanical and electrical loads during operation. This study evaluates the effects of the electrical history of a lead zirconate titanate (PZT) layer on the electro-mechanical response and structural limits of multilayer stacks. Electro-mechanical characterization was performed under biaxial bending employing the Ball-on-three Balls (B3B) test on virgin, poled, and DC biased (80 kV/cm) samples. No significant effect on the characteristic strength or Weibull modulus of the stack was observed. However, the crack initiation stress was highest for the virgin samples (σ 0 ∼ 485 ± 30 MPa); this decreased for both poled samples (σ 0 ∼ 410 ± 30 MPa), and samples measured under 80 kV/cm (σ 0 ∼ 433 ± 30 MPa). in situ ε r and loss tangent measurements suggested electromechanical loading conditions can destabilize the domain structure. Overall, the electrical history and electromechanical loading conditions can reduce the PZT film's fracture resistance.

KW - Ferroelectric properties (c)

KW - Fracture (c)

KW - Mechanical properties (c)

KW - PZT (d)

KW - Piezoelectric properties (c)

UR - http://www.scopus.com/inward/record.url?scp=85097073151&partnerID=8YFLogxK

U2 - https://doi.org/10.1016/j.jeurceramsoc.2020.11.002

DO - https://doi.org/10.1016/j.jeurceramsoc.2020.11.002

M3 - Article

VL - 41

SP - 2465

EP - 2471

JO - Journal of the European Ceramic Society

JF - Journal of the European Ceramic Society

SN - 0955-2219

IS - 4

ER -