Temperature-Dependent Evolution of Crystallographic and Domain Structures in (K,Na,Li)(Ta,Nb)O3 Piezoelectric Single Crystals

Hairui Liu, Philippe Veber, Alexander Zintler, Leopoldo Molina-Luna, Daniel Rytz, Mario Maglione, Jurij Koruza

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

(K,Na)NbO3-based ferroelectric single crystals have recently undergone a substantial development, resulting in improved crystal quality and large piezoelectric coefficients, exceeding 700 pC/N, over a broad temperature range. However, further development necessitates a detailed understanding of the mechanisms defining the domain structure and its temperature evolution. This paper presents the investigation into the crystallographic structure and domain configurations of a (K,Na,Li)(Ta,Nb)O3 single crystal over a broad temperature range. The crystal was grown by the submerged-seed solution growth technique and investigated using in situ transmission electron microscopy, X-ray diffraction, dielectric measurements, and polarized light microscopy. The lattice distortion, structural phase transitions, and domain configurations are reported. A transition from the lamellar orthorhombic to the rectangular tetragonal domain structure is observed upon heating. Moreover, the milky optical appearance of the crystal was investigated and found to result from the presence of regions with different domain configurations and domain sizes. The formation of these regions is related to the growth defects, which govern the domain formation when cooling below the Curie temperature.

Original languageEnglish (US)
Article number8375145
Pages (from-to)1508-1516
Number of pages9
JournalIEEE transactions on ultrasonics, ferroelectrics, and frequency control
Volume65
Issue number9
DOIs
StatePublished - Sep 1 2018

Fingerprint

piezoelectric crystals
Single crystals
Crystals
single crystals
Light polarization
Curie temperature
Temperature
Ferroelectric materials
Optical microscopy
temperature
Seed
Phase transitions
Transmission electron microscopy
Cooling
configurations
Heating
X ray diffraction
Defects
crystals
polarized light

All Science Journal Classification (ASJC) codes

  • Instrumentation
  • Acoustics and Ultrasonics
  • Electrical and Electronic Engineering

Cite this

Liu, Hairui ; Veber, Philippe ; Zintler, Alexander ; Molina-Luna, Leopoldo ; Rytz, Daniel ; Maglione, Mario ; Koruza, Jurij. / Temperature-Dependent Evolution of Crystallographic and Domain Structures in (K,Na,Li)(Ta,Nb)O3 Piezoelectric Single Crystals. In: IEEE transactions on ultrasonics, ferroelectrics, and frequency control. 2018 ; Vol. 65, No. 9. pp. 1508-1516.
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Temperature-Dependent Evolution of Crystallographic and Domain Structures in (K,Na,Li)(Ta,Nb)O3 Piezoelectric Single Crystals. / Liu, Hairui; Veber, Philippe; Zintler, Alexander; Molina-Luna, Leopoldo; Rytz, Daniel; Maglione, Mario; Koruza, Jurij.

In: IEEE transactions on ultrasonics, ferroelectrics, and frequency control, Vol. 65, No. 9, 8375145, 01.09.2018, p. 1508-1516.

Research output: Contribution to journalArticle

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AU - Veber, Philippe

AU - Zintler, Alexander

AU - Molina-Luna, Leopoldo

AU - Rytz, Daniel

AU - Maglione, Mario

AU - Koruza, Jurij

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