Acoustic emission during the ferroelectric transition Pm 3 ¯ m to P4mm in BaTiO3 and the ferroelastic transition R 3 ¯ m-C2/c in Pb3(PO4)2

E. K.H. Salje; E. Dul'kin; M. Roth

doi:10.1063/1.4918746

Acoustic emission during the ferroelectric transition Pm 3 ¯ m to P4mm in BaTiO₃ and the ferroelastic transition R 3 ¯ m-C2/c in Pb₃(PO₄)₂

E. K.H. Salje^*, E. Dul'kin, M. Roth

^*Corresponding author for this work

The Institute of Applied Physics

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

30 Scopus citations

Abstract

Acoustic emission (AE) spectroscopy without frequency filtering (∼broadband AE) and moderate time integration is shown to be sensitive enough to allow the investigation of subtle nano-structural changes in ferroelectric BaTiO₃ and ferroelastic Pb₃(PO₄)₂. AE signals during weak phase transitions are compatible with avalanche statistics as observed previously in large-strain systems. While the data are too sparse to determine avalanche exponents, they are well suited to determine other thermodynamic parameters such as transition temperatures and critical stresses.

Original language	English
Article number	152903
Journal	Applied Physics Letters
Volume	106
Issue number	15
DOIs	https://doi.org/10.1063/1.4918746
State	Published - 13 Apr 2015

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© 2015 AIP Publishing LLC.

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abstract = "Acoustic emission (AE) spectroscopy without frequency filtering (∼broadband AE) and moderate time integration is shown to be sensitive enough to allow the investigation of subtle nano-structural changes in ferroelectric BaTiO3 and ferroelastic Pb3(PO4)2. AE signals during weak phase transitions are compatible with avalanche statistics as observed previously in large-strain systems. While the data are too sparse to determine avalanche exponents, they are well suited to determine other thermodynamic parameters such as transition temperatures and critical stresses.",

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AU - Salje, E. K.H.

AU - Dul'kin, E.

AU - Roth, M.

PY - 2015/4/13

Y1 - 2015/4/13

N2 - Acoustic emission (AE) spectroscopy without frequency filtering (∼broadband AE) and moderate time integration is shown to be sensitive enough to allow the investigation of subtle nano-structural changes in ferroelectric BaTiO3 and ferroelastic Pb3(PO4)2. AE signals during weak phase transitions are compatible with avalanche statistics as observed previously in large-strain systems. While the data are too sparse to determine avalanche exponents, they are well suited to determine other thermodynamic parameters such as transition temperatures and critical stresses.

AB - Acoustic emission (AE) spectroscopy without frequency filtering (∼broadband AE) and moderate time integration is shown to be sensitive enough to allow the investigation of subtle nano-structural changes in ferroelectric BaTiO3 and ferroelastic Pb3(PO4)2. AE signals during weak phase transitions are compatible with avalanche statistics as observed previously in large-strain systems. While the data are too sparse to determine avalanche exponents, they are well suited to determine other thermodynamic parameters such as transition temperatures and critical stresses.

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Acoustic emission during the ferroelectric transition Pm 3 ¯ m to P4mm in BaTiO₃ and the ferroelastic transition R 3 ¯ m-C2/c in Pb₃(PO₄)₂

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