Recent development in lead-free perovskite piezoelectric bulk materials

T Zheng, J Wu, D **ao, J Zhu - Progress in materials science, 2018 - Elsevier
The elimination of lead in piezoelectric applications remains challenging. Since the
advances in the piezoelectricity were found in the perovskite family in 2000, studies into lead …

Potassium–sodium niobate lead-free piezoelectric materials: past, present, and future of phase boundaries

J Wu, D **ao, J Zhu - Chemical reviews, 2015 - ACS Publications
High-performance piezoceramics are some of the most important and widely used materials,
and as such research into this topic is at the forefront of high-technology advanced …

The mechanism for the enhanced piezoelectricity in multi-elements doped (K,Na)NbO3 ceramics

X Gao, Z Cheng, Z Chen, Y Liu, X Meng… - Nature …, 2021 - nature.com
Abstract (K, Na) NbO3 based ceramics are considered to be one of the most promising lead-
free ferroelectrics replacing Pb (Zr, Ti) O3. Despite extensive studies over the last two …

Nano-domains in lead-free piezoceramics: a review

X Lv, X Zhang, J Wu - Journal of Materials Chemistry A, 2020 - pubs.rsc.org
Reducing or even prohibiting the use of toxic lead in electronic devices has become one of
the most cutting-edge topics in various disciplines. The recently proposed phase boundary …

Sintering of lead-free piezoelectric sodium potassium niobate ceramics

B Malič, J Koruza, J Hreščak, J Bernard, K Wang… - Materials, 2015 - mdpi.com
The potassium sodium niobate, K0. 5Na0. 5NbO3, solid solution (KNN) is considered as one
of the most promising, environment-friendly, lead-free candidates to replace highly efficient …

Ultrahigh electrostrictive effect in potassium sodium niobate-based lead-free ceramics

L Zhang, R **g, Y Huang, Q Hu, DO Alikin… - Journal of the European …, 2022 - Elsevier
The longitudinal electrostrictive coefficient Q 33 for perovskite-structured ferroelectric
ceramics is usually between 0.01− 0.04 m 4/C 2. However, an ultra-low Q 33 of only 0.0047 …

Large electrostrictive effect and dielectric properties of (K0. 5Na0. 5) NbO3-BaZrO3 ceramics

Q Quan, H Fan, Q Shen, Y Jia, H Wang, A Zhang… - Journal of the European …, 2022 - Elsevier
Electrostrictive materials are sought after in high-precision displacement actuators due to
their ultra-low hysteresis electrostrain. Here we report a very promising electrostrictive …

Improved ferroelectric, piezoelectric, and dielectric properties in pure KNN translucent ceramics by optimizing the normal sintering method

A Rahman, M Jiang, G Rao, S Lee, MH Kim… - Ceramics …, 2022 - Elsevier
In this study, it is reported that various properties can be selectively derived in a pure (K 0.5
Na 0.5) NbO 3, KNN ceramics through optimizing the sintering temperature by the …

(K, Na) NbO3-based piezoelectric single crystals: Growth methods, properties, and applications

J Koruza, H Liu, M Höfling, MH Zhang… - Journal of Materials …, 2020 - cambridge.org
Piezoelectric single crystals based on the perovskite ferroelectric system (K, Na) NbO3 have
been widely investigated over the past 20 years due to large piezoelectric coefficients, high …

Large size lead-free (Na, K)(Nb, Ta) O 3 piezoelectric single crystal: growth and full tensor properties

L Zheng, X Huo, R Wang, J Wang, W Jiang, W Cao - CrystEngComm, 2013 - pubs.rsc.org
Environmental friendly piezoelectric single crystal, Ta-modified (K, Na) NbO3 with the size of
12× 11× 11 mm3, has been successfully grown using the top seeded solution growth …