Temperature- and E-field-dependent domain configuration and electrical properties in (K, Na, Li)(Nb, Ta, Sb)O3 single crystal

Junjun Wang, Limei Zheng, Weiming Lü, Liya Yang, Bin Yang, Rui Zhang, Tianquan Lv, Wenwu Cao

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

E-field- and temperature-dependent domain evolution of lead-free tetragonal (K, Na, Li)(Nb, Sb, Ta)O3 (KNLNTS) single crystals as well as its corresponding electrical properties have been investigated. When E field is applied along [011]C direction, (2T) engineered domain structure is formed. Spontaneous polarizations switch under a critical electric field (around 4-5 kV/cm), resulting in significant changes in domain structure and great improvement in piezoelectric properties. Furthermore, it is found that piezoelectric constant d31 and electromechanical coupling factor k31 of [011]C poled KNLNTS single crystal decrease with temperature. The extrinsic and intrinsic piezoelectric responses are discussed from the viewpoint of domain structure and lattice distortion, respectively. Our results show that the nanodomain structure relaxes and the lattice distortion declines with temperature, resulting in reduction of extrinsic and intrinsic piezoelectric responses, respectively. Therefore, the piezoelectric instability is ascribed to the decrease of both extrinsic and intrinsic contributions. This work provides a better understanding of domain engineering technique, and the useful information on the improvement of both piezoelectricity and temperature stability of the lead-free piezoelectric materials.

Original languageEnglish (US)
Pages (from-to)3973-3981
Number of pages9
JournalJournal of the American Ceramic Society
Volume100
Issue number9
DOIs
StatePublished - Sep 1 2017

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Electric properties
Single crystals
Lead
Temperature
Electromechanical coupling
Piezoelectricity
Piezoelectric materials
Switches
Electric fields
Polarization

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Materials Chemistry

Cite this

Wang, Junjun ; Zheng, Limei ; Lü, Weiming ; Yang, Liya ; Yang, Bin ; Zhang, Rui ; Lv, Tianquan ; Cao, Wenwu. / Temperature- and E-field-dependent domain configuration and electrical properties in (K, Na, Li)(Nb, Ta, Sb)O3 single crystal. In: Journal of the American Ceramic Society. 2017 ; Vol. 100, No. 9. pp. 3973-3981.
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abstract = "E-field- and temperature-dependent domain evolution of lead-free tetragonal (K, Na, Li)(Nb, Sb, Ta)O3 (KNLNTS) single crystals as well as its corresponding electrical properties have been investigated. When E field is applied along [011]C direction, (2T) engineered domain structure is formed. Spontaneous polarizations switch under a critical electric field (around 4-5 kV/cm), resulting in significant changes in domain structure and great improvement in piezoelectric properties. Furthermore, it is found that piezoelectric constant d31 and electromechanical coupling factor k31 of [011]C poled KNLNTS single crystal decrease with temperature. The extrinsic and intrinsic piezoelectric responses are discussed from the viewpoint of domain structure and lattice distortion, respectively. Our results show that the nanodomain structure relaxes and the lattice distortion declines with temperature, resulting in reduction of extrinsic and intrinsic piezoelectric responses, respectively. Therefore, the piezoelectric instability is ascribed to the decrease of both extrinsic and intrinsic contributions. This work provides a better understanding of domain engineering technique, and the useful information on the improvement of both piezoelectricity and temperature stability of the lead-free piezoelectric materials.",
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Temperature- and E-field-dependent domain configuration and electrical properties in (K, Na, Li)(Nb, Ta, Sb)O3 single crystal. / Wang, Junjun; Zheng, Limei; Lü, Weiming; Yang, Liya; Yang, Bin; Zhang, Rui; Lv, Tianquan; Cao, Wenwu.

In: Journal of the American Ceramic Society, Vol. 100, No. 9, 01.09.2017, p. 3973-3981.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Temperature- and E-field-dependent domain configuration and electrical properties in (K, Na, Li)(Nb, Ta, Sb)O3 single crystal

AU - Wang, Junjun

AU - Zheng, Limei

AU - Lü, Weiming

AU - Yang, Liya

AU - Yang, Bin

AU - Zhang, Rui

AU - Lv, Tianquan

AU - Cao, Wenwu

PY - 2017/9/1

Y1 - 2017/9/1

N2 - E-field- and temperature-dependent domain evolution of lead-free tetragonal (K, Na, Li)(Nb, Sb, Ta)O3 (KNLNTS) single crystals as well as its corresponding electrical properties have been investigated. When E field is applied along [011]C direction, (2T) engineered domain structure is formed. Spontaneous polarizations switch under a critical electric field (around 4-5 kV/cm), resulting in significant changes in domain structure and great improvement in piezoelectric properties. Furthermore, it is found that piezoelectric constant d31 and electromechanical coupling factor k31 of [011]C poled KNLNTS single crystal decrease with temperature. The extrinsic and intrinsic piezoelectric responses are discussed from the viewpoint of domain structure and lattice distortion, respectively. Our results show that the nanodomain structure relaxes and the lattice distortion declines with temperature, resulting in reduction of extrinsic and intrinsic piezoelectric responses, respectively. Therefore, the piezoelectric instability is ascribed to the decrease of both extrinsic and intrinsic contributions. This work provides a better understanding of domain engineering technique, and the useful information on the improvement of both piezoelectricity and temperature stability of the lead-free piezoelectric materials.

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