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  • Letter

Weak low-temperature polarity in a PbZrO3 single crystal

K. Roleder1, G. Catalan2,3, A. M. Glazer4, J. S. Baker5, J.-H. Ko6, F. H. Naqvi6, S. B. Junaid6, A. Majchrowski7, Z. Trybuła8 et al.

J. Zaręba9, I. Lazar1, D. Kajewski1, J. Koperski1, and A. Soszyński1

  • 1Institute of Physics, University of Silesia, ul. 75 Pułku Piechoty 1, 41-500 Chorzów, Poland
  • 2Catalan Institute of Nanoscience and Nanotechnology (ICN2), Campus Universitat Autonoma de Barcelona, Bellaterra 08193, Catalonia
  • 3Institut Català de Recerca i Estudis Avançats (ICREA), Barcelona 08010, Catalonia
  • 4Clarendon Laboratory, University of Oxford, Oxford OX1 3PU, United Kingdom
  • 5London Centre for Nanotechnology, University College London, 17-19 Gordon St., London, WC1H 0AH, United Kingdom
  • 6School of Nano Convergence Technology, Hallym University, Chuncheon, Gangwondo 24252, Republic of Korea
  • 7Institute of Applied Physics, Military University of Technology, ul. Kaliskiego 2, 00-908 Warsaw, Poland
  • 8Institute of Molecular Physics, Polish Academy of Sciences Smoluchowskiego 17, 60–179 Poznań, Poland
  • 9Institute of Advanced Materials, Wrocław University of Science and Technology, Wybrzeże Wyspiańskiego 27, 50-370, Wrocław, Poland

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Phys. Rev. B 107, L140102 – Published 11 April, 2023

DOI: https://doi.org/10.1103/PhysRevB.107.L140102

Abstract

We report the existence of a low-temperature polar phase in PbZrO3 below 270 K. The temperature dependence of resultant polarization was assigned from pyroelectric current changes measured after poling the single crystal or ceramic in a DC electric field. This was observed in single crystals and ceramics and may have a connection with the presence of polar (ferrielectric) antiphase boundaries inside the antiferroelectric phase. The transition point is demonstrated by changes in domain structure and anomalies in dielectric permittivity and losses in as-grown single crystals and ceramic samples.

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Phys. Rev. B 107, L140102– Published 11 April, 2023
  • Received 27 November 2022
  • Accepted 30 March 2023
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