Influence of rare-earth Nd, Dy, and Ho doping on structural and electrical properties of (Na0.53K0.47)0.942Li 0.058NbO3 based lead-free piezoceramics

Jing Zhou; Qing Ma; Pengfei Wang; Lijin Cheng; Shaojun Liu

doi:10.1016/j.ceramint.2013.08.020

Influence of rare-earth Nd, Dy, and Ho doping on structural and electrical properties of (Na_0.53K_0.47)_0.942Li _0.058NbO₃ based lead-free piezoceramics

Jing Zhou
, Qing Ma
, Pengfei Wang
, Lijin Cheng
, Shaojun Liu^*

^*Corresponding author for this work

Central South University
Harbin Institute of Technology Shenzhen
Tsinghua University

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

29 Scopus citations

Abstract

Influence of larger rare-earth Nd and intermediate rare-earth Dy and Ho on the structure, doping behavior, dielectric, and piezoelectric properties of (Na_0.53K_0.47)_0.942Li_0.058NbO ₃ (KNNLN) lead-free ceramics was reported. Phase transition in KNNLN ceramics with increasing Nd, Dy, and Ho doping content occurs from the coexistence of tetragonal-orthorhombic phases to tetragonal-orthorhombic- pseudocubic phases. Both larger rare-earth Nd and intermediate rare-earth Dy and Ho ions preferentially occupy A-site and then B-site as amphoteric ions when Nd, Dy, and Ho doping content increases. Nd, Dy, and Ho doping can increase sintering density, tailor grain morphology and size, and improve piezoelectric coefficient of KNNLN ceramics. Grain size of Nd, Dy, and Ho doped KNNLN ceramics is more homogeneous and much finer than that of undoped ones. KNNLN lead-free ceramic with 2 wt% Nd doping exhibits an optimum piezoelectric coefficient (d₃₃) ~128 pCN^-1.

Original language	English
Pages (from-to)	2451-2459
Number of pages	9
Journal	Ceramics International
Volume	40
Issue number	1 PART B
DOIs	https://doi.org/10.1016/j.ceramint.2013.08.020
State	Published - Jan 2014
Externally published	Yes

Keywords

Doping behavior
Lead-free
Piezoceramics
Rare earth

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10.1016/j.ceramint.2013.08.020

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title = "Influence of rare-earth Nd, Dy, and Ho doping on structural and electrical properties of (Na0.53K0.47)0.942Li 0.058NbO3 based lead-free piezoceramics",

abstract = "Influence of larger rare-earth Nd and intermediate rare-earth Dy and Ho on the structure, doping behavior, dielectric, and piezoelectric properties of (Na0.53K0.47)0.942Li0.058NbO 3 (KNNLN) lead-free ceramics was reported. Phase transition in KNNLN ceramics with increasing Nd, Dy, and Ho doping content occurs from the coexistence of tetragonal-orthorhombic phases to tetragonal-orthorhombic- pseudocubic phases. Both larger rare-earth Nd and intermediate rare-earth Dy and Ho ions preferentially occupy A-site and then B-site as amphoteric ions when Nd, Dy, and Ho doping content increases. Nd, Dy, and Ho doping can increase sintering density, tailor grain morphology and size, and improve piezoelectric coefficient of KNNLN ceramics. Grain size of Nd, Dy, and Ho doped KNNLN ceramics is more homogeneous and much finer than that of undoped ones. KNNLN lead-free ceramic with 2 wt\% Nd doping exhibits an optimum piezoelectric coefficient (d33) \textasciitilde{}128 pCN-1.",

keywords = "Doping behavior, Lead-free, Piezoceramics, Rare earth",

author = "Jing Zhou and Qing Ma and Pengfei Wang and Lijin Cheng and Shaojun Liu",

year = "2014",

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doi = "10.1016/j.ceramint.2013.08.020",

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journal = "Ceramics International",

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AU - Zhou, Jing

AU - Ma, Qing

AU - Wang, Pengfei

AU - Cheng, Lijin

AU - Liu, Shaojun

PY - 2014/1

Y1 - 2014/1

N2 - Influence of larger rare-earth Nd and intermediate rare-earth Dy and Ho on the structure, doping behavior, dielectric, and piezoelectric properties of (Na0.53K0.47)0.942Li0.058NbO 3 (KNNLN) lead-free ceramics was reported. Phase transition in KNNLN ceramics with increasing Nd, Dy, and Ho doping content occurs from the coexistence of tetragonal-orthorhombic phases to tetragonal-orthorhombic- pseudocubic phases. Both larger rare-earth Nd and intermediate rare-earth Dy and Ho ions preferentially occupy A-site and then B-site as amphoteric ions when Nd, Dy, and Ho doping content increases. Nd, Dy, and Ho doping can increase sintering density, tailor grain morphology and size, and improve piezoelectric coefficient of KNNLN ceramics. Grain size of Nd, Dy, and Ho doped KNNLN ceramics is more homogeneous and much finer than that of undoped ones. KNNLN lead-free ceramic with 2 wt% Nd doping exhibits an optimum piezoelectric coefficient (d33) ~128 pCN-1.

AB - Influence of larger rare-earth Nd and intermediate rare-earth Dy and Ho on the structure, doping behavior, dielectric, and piezoelectric properties of (Na0.53K0.47)0.942Li0.058NbO 3 (KNNLN) lead-free ceramics was reported. Phase transition in KNNLN ceramics with increasing Nd, Dy, and Ho doping content occurs from the coexistence of tetragonal-orthorhombic phases to tetragonal-orthorhombic- pseudocubic phases. Both larger rare-earth Nd and intermediate rare-earth Dy and Ho ions preferentially occupy A-site and then B-site as amphoteric ions when Nd, Dy, and Ho doping content increases. Nd, Dy, and Ho doping can increase sintering density, tailor grain morphology and size, and improve piezoelectric coefficient of KNNLN ceramics. Grain size of Nd, Dy, and Ho doped KNNLN ceramics is more homogeneous and much finer than that of undoped ones. KNNLN lead-free ceramic with 2 wt% Nd doping exhibits an optimum piezoelectric coefficient (d33) ~128 pCN-1.

KW - Doping behavior

KW - Lead-free

KW - Piezoceramics

KW - Rare earth

UR - https://www.scopus.com/pages/publications/84888015301

U2 - 10.1016/j.ceramint.2013.08.020

DO - 10.1016/j.ceramint.2013.08.020

M3 - 文章

AN - SCOPUS:84888015301

SN - 0272-8842

VL - 40

SP - 2451

EP - 2459

JO - Ceramics International

JF - Ceramics International

IS - 1 PART B

ER -

Influence of rare-earth Nd, Dy, and Ho doping on structural and electrical properties of (Na_0.53K_0.47)_0.942Li _0.058NbO₃ based lead-free piezoceramics

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Keywords

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