The effect of sintering and poling processing on the phase structure of Li0.058(Na0.51K0.49)0.942NbO 3 lead-free ceramics

Yongjie Zhao; Yuzhen Zhao; Xiaowen Zhang; Rongxia Huang; Rongzheng Liu; Heping Zhou

doi:10.1016/j.scriptamat.2011.10.010

The effect of sintering and poling processing on the phase structure of Li_0.058(Na_0.51K_0.49)_0.942NbO ₃ lead-free ceramics

Yongjie Zhao^*, Yuzhen Zhao^*, Xiaowen Zhang, Rongxia Huang, Rongzheng Liu, Heping Zhou

^*Corresponding author for this work

Tsinghua University

Research output: Contribution to journal › Article › peer-review

12 Citations (Scopus)

Abstract

The phase structure of lead-free Li_0.058(Na_0.51K _0.49)_0.942NbO₃ (KNNLN) ceramics can be affected by the stress as well as the external electric field. A high piezoelectric constant was obtained in KNNLN ceramics by adjusting the cooling-down speed of the sintering. The {2 0 0} reflection X-ray diffraction lines were measured to accurately identify the room-temperature crystal structure of the as-sintered samples. Dielectric measurements were performed to observe the differences in the phase structure of KNNLN ceramics before and after poling.

Original language	English
Pages (from-to)	97-100
Number of pages	4
Journal	Scripta Materialia
Volume	66
Issue number	2
DOIs	https://doi.org/10.1016/j.scriptamat.2011.10.010
Publication status	Published - Jan 2012
Externally published	Yes

Keywords

Electric field
Lead-free piezoelectric ceramics
Phase structure
Sintering
Stress

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10.1016/j.scriptamat.2011.10.010

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title = "The effect of sintering and poling processing on the phase structure of Li0.058(Na0.51K0.49)0.942NbO 3 lead-free ceramics",

abstract = "The phase structure of lead-free Li0.058(Na0.51K 0.49)0.942NbO3 (KNNLN) ceramics can be affected by the stress as well as the external electric field. A high piezoelectric constant was obtained in KNNLN ceramics by adjusting the cooling-down speed of the sintering. The {2 0 0} reflection X-ray diffraction lines were measured to accurately identify the room-temperature crystal structure of the as-sintered samples. Dielectric measurements were performed to observe the differences in the phase structure of KNNLN ceramics before and after poling.",

keywords = "Electric field, Lead-free piezoelectric ceramics, Phase structure, Sintering, Stress",

author = "Yongjie Zhao and Yuzhen Zhao and Xiaowen Zhang and Rongxia Huang and Rongzheng Liu and Heping Zhou",

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AU - Zhao, Yongjie

AU - Zhao, Yuzhen

AU - Zhang, Xiaowen

AU - Huang, Rongxia

AU - Liu, Rongzheng

AU - Zhou, Heping

PY - 2012/1

Y1 - 2012/1

N2 - The phase structure of lead-free Li0.058(Na0.51K 0.49)0.942NbO3 (KNNLN) ceramics can be affected by the stress as well as the external electric field. A high piezoelectric constant was obtained in KNNLN ceramics by adjusting the cooling-down speed of the sintering. The {2 0 0} reflection X-ray diffraction lines were measured to accurately identify the room-temperature crystal structure of the as-sintered samples. Dielectric measurements were performed to observe the differences in the phase structure of KNNLN ceramics before and after poling.

AB - The phase structure of lead-free Li0.058(Na0.51K 0.49)0.942NbO3 (KNNLN) ceramics can be affected by the stress as well as the external electric field. A high piezoelectric constant was obtained in KNNLN ceramics by adjusting the cooling-down speed of the sintering. The {2 0 0} reflection X-ray diffraction lines were measured to accurately identify the room-temperature crystal structure of the as-sintered samples. Dielectric measurements were performed to observe the differences in the phase structure of KNNLN ceramics before and after poling.

KW - Electric field

KW - Lead-free piezoelectric ceramics

KW - Phase structure

KW - Sintering

KW - Stress

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The effect of sintering and poling processing on the phase structure of Li_0.058(Na_0.51K_0.49)_0.942NbO ₃ lead-free ceramics

Abstract

Keywords

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