Surface domain structures and mesoscopic phase transition in relaxor ferroelectrics

Andrei Kholkin, Anna Morozovska, Dmitry Kiselev, Igor Bdikin, Brian Rodriguez, Pingping Wu, Alexei Bokov, Zuo Guang Ye, Brahim Dkhil, Long-qing Chen, Marija Kosec, Sergei V. Kalinin

Research output: Contribution to journalArticle

74 Citations (Scopus)

Abstract

Relaxor ferroelectrics are a prototypical example of ferroic systems in which interplay between atomic disorder and order parameters gives rise to emergence of unusual properties, including non-exponential relaxations, memory effects, polarization rotations, and broad spectrum of bias- and temperature-induced phase transitions. Despite more than 40 years of extensive research following the original discovery of ferroelectric relaxors by the Smolensky group, the most basic aspect of these materials - the existence and nature of order parameter - has not been understood thoroughly. Using extensive imaging and spectroscopic studies by variable-temperature and time resolved piezoresponse force microscopy, we find that the observed mesoscopic behavior is consistent with the presence of two effective order parameters describing dynamic and static parts of polarization, respectively. The static component gives rise to rich spatially ordered systems on the ∼100 nm length scales, and are only weakly responsive to electric field. The surface of relaxors undergoes a mesoscopic symmetry breaking leading to the freezing of polarization fluctuations and shift of corresponding transition temperature. Relaxor ferroelectrics are known as an enigma of solid-state physics. Using extensive imaging and spectroscopic studies by variable-temperature and depth-resolved piezoresponse force microscopy, we propose a model explaining their behaviour by introducing two order parameters describing dynamic and static polarization. The surface of relaxors undergoes a symmetry breaking leading to the freezing of polarization fluctuations and shift of transition temperature.

Original languageEnglish (US)
Pages (from-to)1977-1987
Number of pages11
JournalAdvanced Functional Materials
Volume21
Issue number11
DOIs
StatePublished - Jun 7 2011

Fingerprint

Ferroelectric materials
Phase transitions
Polarization
polarization
Freezing
freezing
Superconducting transition temperature
broken symmetry
Microscopic examination
transition temperature
Solid state physics
microscopy
Imaging techniques
solid state physics
shift
Temperature
temperature
Electric fields
disorders
Data storage equipment

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics

Cite this

Kholkin, A., Morozovska, A., Kiselev, D., Bdikin, I., Rodriguez, B., Wu, P., ... Kalinin, S. V. (2011). Surface domain structures and mesoscopic phase transition in relaxor ferroelectrics. Advanced Functional Materials, 21(11), 1977-1987. https://doi.org/10.1002/adfm.201002582
Kholkin, Andrei ; Morozovska, Anna ; Kiselev, Dmitry ; Bdikin, Igor ; Rodriguez, Brian ; Wu, Pingping ; Bokov, Alexei ; Ye, Zuo Guang ; Dkhil, Brahim ; Chen, Long-qing ; Kosec, Marija ; Kalinin, Sergei V. / Surface domain structures and mesoscopic phase transition in relaxor ferroelectrics. In: Advanced Functional Materials. 2011 ; Vol. 21, No. 11. pp. 1977-1987.
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Kholkin, A, Morozovska, A, Kiselev, D, Bdikin, I, Rodriguez, B, Wu, P, Bokov, A, Ye, ZG, Dkhil, B, Chen, L, Kosec, M & Kalinin, SV 2011, 'Surface domain structures and mesoscopic phase transition in relaxor ferroelectrics', Advanced Functional Materials, vol. 21, no. 11, pp. 1977-1987. https://doi.org/10.1002/adfm.201002582

Surface domain structures and mesoscopic phase transition in relaxor ferroelectrics. / Kholkin, Andrei; Morozovska, Anna; Kiselev, Dmitry; Bdikin, Igor; Rodriguez, Brian; Wu, Pingping; Bokov, Alexei; Ye, Zuo Guang; Dkhil, Brahim; Chen, Long-qing; Kosec, Marija; Kalinin, Sergei V.

In: Advanced Functional Materials, Vol. 21, No. 11, 07.06.2011, p. 1977-1987.

Research output: Contribution to journalArticle

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AU - Kholkin, Andrei

AU - Morozovska, Anna

AU - Kiselev, Dmitry

AU - Bdikin, Igor

AU - Rodriguez, Brian

AU - Wu, Pingping

AU - Bokov, Alexei

AU - Ye, Zuo Guang

AU - Dkhil, Brahim

AU - Chen, Long-qing

AU - Kosec, Marija

AU - Kalinin, Sergei V.

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Y1 - 2011/6/7

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Kholkin A, Morozovska A, Kiselev D, Bdikin I, Rodriguez B, Wu P et al. Surface domain structures and mesoscopic phase transition in relaxor ferroelectrics. Advanced Functional Materials. 2011 Jun 7;21(11):1977-1987. https://doi.org/10.1002/adfm.201002582