Electrical studies of Barkhausen switching noise in ferroelectric PZT: critical exponents and temperature dependence

C. D. Tan; C. Flannigan; J. Gardner; F. D. Morrison; E. K. H. Salje; J. F. Scott

doi:10.1103/PhysRevMaterials.3.034402

Electrical studies of Barkhausen switching noise in ferroelectric PZT: critical exponents and temperature dependence

C. D. Tan^*, C. Flannigan, J. Gardner, F. D. Morrison, E. K. H. Salje, J. F. Scott

^*Corresponding author for this work

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

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Abstract

Crackling noise of ferroelectric lead zirconate titanate samples during ferroelectric switching is demonstrated to be compatible with avalanche statistics. The peaks of the slew rate (time derivative of current dI/dt squared), defined as "jerks," were statistically analyzed and shown to obey power laws. The critical exponent obtained is 1.64 ± 0.15, in agreement with predictions from avalanche theory. The exponent is independent of temperature within experimental error margins.

Original language	English
Article number	034402
Number of pages	6
Journal	Physical Review Materials
Volume	3
Issue number	3
DOIs	https://doi.org/10.1103/PhysRevMaterials.3.034402
Publication status	Published - 6 Mar 2019

Keywords

Thin-films
Polarization
Field

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10.1103/PhysRevMaterials.3.034402

PZT_Barkhausen_final
Copyright © 2019 American Physical Society. This work has been made available online in accordance with the publisher’s policies. This is the author created, accepted version manuscript following peer review and may differ slightly from the final published version. The final published version of this work is available at https://doi.org/10.1103/PhysRevMaterials.3.034402
Accepted author manuscript, 812 KB

New Horizon in Nanoscale: Ferrolectric, Ferroelastic and Multiferroic Domain Walls: a New Horizon in Nanoscale Functional Materials
Scott, J. F. (PI) & Morrison, F. (CoI)
EPSRC
1/04/17 → 31/03/21
Project: Standard

Cite this

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title = "Electrical studies of Barkhausen switching noise in ferroelectric PZT: critical exponents and temperature dependence",

abstract = "Crackling noise of ferroelectric lead zirconate titanate samples during ferroelectric switching is demonstrated to be compatible with avalanche statistics. The peaks of the slew rate (time derivative of current dI/dt squared), defined as {"}jerks,{"} were statistically analyzed and shown to obey power laws. The critical exponent obtained is 1.64 ± 0.15, in agreement with predictions from avalanche theory. The exponent is independent of temperature within experimental error margins.",

keywords = "Thin-films, Polarization, Field",

author = "Tan, {C. D.} and C. Flannigan and J. Gardner and Morrison, {F. D.} and Salje, {E. K. H.} and Scott, {J. F.}",

note = "This work at St Andrews was supported by EPSRC grant EP/P024637/1. EKHS thanks EPSRC for support.",

year = "2019",

month = mar,

day = "6",

doi = "10.1103/PhysRevMaterials.3.034402",

language = "English",

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T1 - Electrical studies of Barkhausen switching noise in ferroelectric PZT

T2 - critical exponents and temperature dependence

AU - Tan, C. D.

AU - Flannigan, C.

AU - Gardner, J.

AU - Morrison, F. D.

AU - Salje, E. K. H.

AU - Scott, J. F.

N1 - This work at St Andrews was supported by EPSRC grant EP/P024637/1. EKHS thanks EPSRC for support.

PY - 2019/3/6

Y1 - 2019/3/6

N2 - Crackling noise of ferroelectric lead zirconate titanate samples during ferroelectric switching is demonstrated to be compatible with avalanche statistics. The peaks of the slew rate (time derivative of current dI/dt squared), defined as "jerks," were statistically analyzed and shown to obey power laws. The critical exponent obtained is 1.64 ± 0.15, in agreement with predictions from avalanche theory. The exponent is independent of temperature within experimental error margins.

AB - Crackling noise of ferroelectric lead zirconate titanate samples during ferroelectric switching is demonstrated to be compatible with avalanche statistics. The peaks of the slew rate (time derivative of current dI/dt squared), defined as "jerks," were statistically analyzed and shown to obey power laws. The critical exponent obtained is 1.64 ± 0.15, in agreement with predictions from avalanche theory. The exponent is independent of temperature within experimental error margins.

KW - Thin-films

KW - Polarization

KW - Field

U2 - 10.1103/PhysRevMaterials.3.034402

DO - 10.1103/PhysRevMaterials.3.034402

M3 - Article

SN - 2475-9953

VL - 3

JO - Physical Review Materials

JF - Physical Review Materials

IS - 3

M1 - 034402

ER -

Electrical studies of Barkhausen switching noise in ferroelectric PZT: critical exponents and temperature dependence

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New Horizon in Nanoscale: Ferrolectric, Ferroelastic and Multiferroic Domain Walls: a New Horizon in Nanoscale Functional Materials

Cite this