The archetypical antiferroelectric, PbZrO3, is currently attracting a lot of interest, but no consensus can be clearly established on the nature of its ground state as well as on the influence of external stimuli over its physical properties. Here, the antiferroelectric state of 45-nm-thick epitaxial thin films of PbZrO3 is established by observing the characteristic structural periodicity of antiparallel dipoles at the atomic scale, combined with clear double hysteresis of the polarization-electric field response related to antiferroelectric–to–ferroelectric phase transitions. Surprisingly, while the antiferroelectric state is identified as the ground state, temperature-dependent measurements show that a transition to a ferroelectric-like state appears in a large temperature window (100 K). Atomistic simulations further confirm the existence, and provides the origin, of such ferroelectric state in the films. Electric-field-induced ferroelectric transitions are also detected by the divergence of the piezoresponse force microscopy response. Using this technique, we further reveal the signature of a ferroelectric ground state for 4-nm-thick PbZrO3 films. Compared with bulk crystals, these results suggest a more complex competition between ferroelectric and antiferroelectric phases in epitaxial thin films of PbZrO3.
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Ferroelectric phase transitions in epitaxial antiferroelectric PbZrO3 thin films
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June 2023
Research Article|
May 04 2023
Ferroelectric phase transitions in epitaxial antiferroelectric PbZrO3 thin films
Pauline Dufour
;
Pauline Dufour
(Data curation, Formal analysis, Writing – original draft, Writing – review & editing)
1
Unité Mixte de Physique, CNRS, Thales, Université Paris-Saclay
, 91767 Palaiseau, France
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Thomas Maroutian
;
Thomas Maroutian
(Data curation)
2
Centre de Nanosciences et de Nanotechnologies, CNRS, Université Paris-Saclay
, 91120 Palaiseau, France
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Maxime Vallet
;
Maxime Vallet
(Data curation)
3
Université Paris-Saclay, CentraleSupélec, CNRS, Laboratoire SPMS
, 91190 Gif-sur-Yvette, France
4
Université Paris-Saclay, CentraleSupélec, ENS Paris-Saclay, CNRS, LMPS - Laboratoire de Mécanique Paris-Saclay
, 91190 Gif-sur-Yvette, France
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Kinnary Patel
;
Kinnary Patel
(Data curation)
5
Physics Department and Institute for Nanoscience and Engineering, University of Arkansas
, Fayetteville, Arkansas 72701, USA
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André Chanthbouala
;
André Chanthbouala
(Data curation)
1
Unité Mixte de Physique, CNRS, Thales, Université Paris-Saclay
, 91767 Palaiseau, France
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Charlotte Jacquemont;
Charlotte Jacquemont
(Data curation)
1
Unité Mixte de Physique, CNRS, Thales, Université Paris-Saclay
, 91767 Palaiseau, France
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Lluis Yedra
;
Lluis Yedra
(Data curation, Formal analysis)
3
Université Paris-Saclay, CentraleSupélec, CNRS, Laboratoire SPMS
, 91190 Gif-sur-Yvette, France
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Vincent Humbert
;
Vincent Humbert
(Data curation)
1
Unité Mixte de Physique, CNRS, Thales, Université Paris-Saclay
, 91767 Palaiseau, France
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Florian Godel
;
Florian Godel
(Data curation)
1
Unité Mixte de Physique, CNRS, Thales, Université Paris-Saclay
, 91767 Palaiseau, France
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Bin Xu
;
Bin Xu
(Formal analysis)
6
Institute of Theoretical and Applied Physics, Jiangsu Key Laboratory of Thin Films, School of Physical Science and Technology, Soochow University
, Suzhou 215006, China
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Sergey Prosandeev
;
Sergey Prosandeev
(Formal analysis)
5
Physics Department and Institute for Nanoscience and Engineering, University of Arkansas
, Fayetteville, Arkansas 72701, USA
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Laurent Bellaiche
;
Laurent Bellaiche
(Supervision)
5
Physics Department and Institute for Nanoscience and Engineering, University of Arkansas
, Fayetteville, Arkansas 72701, USA
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Mojca Otoničar
;
Mojca Otoničar
(Formal analysis)
7
Electronic Ceramics Department, Jožef Stefan Institute and Jožef Stefan International Postgraduate School
, Jamova 39, Ljubljana 1000, Slovenia
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Stéphane Fusil
;
Stéphane Fusil
(Data curation, Formal analysis)
1
Unité Mixte de Physique, CNRS, Thales, Université Paris-Saclay
, 91767 Palaiseau, France
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Brahim Dkhil
;
Brahim Dkhil
a)
(Conceptualization, Supervision)
3
Université Paris-Saclay, CentraleSupélec, CNRS, Laboratoire SPMS
, 91190 Gif-sur-Yvette, France
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Vincent Garcia
Vincent Garcia
a)
(Conceptualization, Writing – original draft, Writing – review & editing)
1
Unité Mixte de Physique, CNRS, Thales, Université Paris-Saclay
, 91767 Palaiseau, France
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Appl. Phys. Rev. 10, 021405 (2023)
Article history
Received:
January 27 2023
Accepted:
April 17 2023
Citation
Pauline Dufour, Thomas Maroutian, Maxime Vallet, Kinnary Patel, André Chanthbouala, Charlotte Jacquemont, Lluis Yedra, Vincent Humbert, Florian Godel, Bin Xu, Sergey Prosandeev, Laurent Bellaiche, Mojca Otoničar, Stéphane Fusil, Brahim Dkhil, Vincent Garcia; Ferroelectric phase transitions in epitaxial antiferroelectric PbZrO3 thin films. Appl. Phys. Rev. 1 June 2023; 10 (2): 021405. https://doi.org/10.1063/5.0143892
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