Relaxor-like behavior of BaTiO3 crystals from acoustic emission study

E. Dul'kin; J. Petzelt; S. Kamba; E. Mojaev; M. Roth

doi:10.1063/1.3464968

Relaxor-like behavior of BaTiO₃ crystals from acoustic emission study

E. Dul'kin^*, J. Petzelt, S. Kamba, E. Mojaev, M. Roth

^*Corresponding author for this work

Department of Applied Physics

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

73 Scopus citations

Abstract

BaTiO₃ crystals were studied by means of the acoustic emission during thermal cycling through 300-700 K range. In addition to pronounced acoustic emission at the ferroelectric phase transition temperature T _c ≈400 K, also nucleation of nanoclusters was detected at somewhat smeared Burns temperature T_d ≈530-570 K and their local freezing at T* ≈506 K. Bias electric field shifts the T and T_c linearly up, T more steeply than T_c. Except for its much faster cluster dynamics than that of classical relaxor materials, BaTiO₃ shows many relaxor-like features in its paraelectric phase.

Original language	English
Article number	032903
Journal	Applied Physics Letters
Volume	97
Issue number	3
DOIs	https://doi.org/10.1063/1.3464968
State	Published - 19 Jul 2010

Bibliographical note

Funding Information:
The work was supported by the Czech Science Foundation. (Project No. P204/10/0616) , MPO (Project No.FR-TI2/165) and Czech Academy of Sciences (Project No. AVOZ 10100520).

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title = "Relaxor-like behavior of BaTiO3 crystals from acoustic emission study",

abstract = "BaTiO3 crystals were studied by means of the acoustic emission during thermal cycling through 300-700 K range. In addition to pronounced acoustic emission at the ferroelectric phase transition temperature T c ≈400 K, also nucleation of nanoclusters was detected at somewhat smeared Burns temperature Td ≈530-570 K and their local freezing at T* ≈506 K. Bias electric field shifts the T and Tc linearly up, T more steeply than Tc. Except for its much faster cluster dynamics than that of classical relaxor materials, BaTiO3 shows many relaxor-like features in its paraelectric phase.",

author = "E. Dul'kin and J. Petzelt and S. Kamba and E. Mojaev and M. Roth",

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AU - Dul'kin, E.

AU - Petzelt, J.

AU - Kamba, S.

AU - Mojaev, E.

AU - Roth, M.

N1 - Funding Information: The work was supported by the Czech Science Foundation. (Project No. P204/10/0616) , MPO (Project No.FR-TI2/165) and Czech Academy of Sciences (Project No. AVOZ 10100520).

PY - 2010/7/19

Y1 - 2010/7/19

N2 - BaTiO3 crystals were studied by means of the acoustic emission during thermal cycling through 300-700 K range. In addition to pronounced acoustic emission at the ferroelectric phase transition temperature T c ≈400 K, also nucleation of nanoclusters was detected at somewhat smeared Burns temperature Td ≈530-570 K and their local freezing at T* ≈506 K. Bias electric field shifts the T and Tc linearly up, T more steeply than Tc. Except for its much faster cluster dynamics than that of classical relaxor materials, BaTiO3 shows many relaxor-like features in its paraelectric phase.

AB - BaTiO3 crystals were studied by means of the acoustic emission during thermal cycling through 300-700 K range. In addition to pronounced acoustic emission at the ferroelectric phase transition temperature T c ≈400 K, also nucleation of nanoclusters was detected at somewhat smeared Burns temperature Td ≈530-570 K and their local freezing at T* ≈506 K. Bias electric field shifts the T and Tc linearly up, T more steeply than Tc. Except for its much faster cluster dynamics than that of classical relaxor materials, BaTiO3 shows many relaxor-like features in its paraelectric phase.

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Relaxor-like behavior of BaTiO₃ crystals from acoustic emission study

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