(K, Na)NbO3‐Based Lead‐Free Piezoceramics: Fundamental Aspects, Processing Technologies, and Remaining Challenges

JF Li, K Wang, FY Zhu, LQ Cheng… - Journal of the American …, 2013 - Wiley Online Library
Environment‐friendly lead‐free piezoelectric ceramics have been studied extensively in the
past decade with great progress particularly in systems based on a niobate perovskite …

Review of chemical modification on potassium sodium niobate lead-free piezoelectrics

Y Zhang, JF Li - Journal of Materials Chemistry C, 2019 - pubs.rsc.org
Piezoelectric materials convert mechanical energy into electric energy, and vice versa. They
have been applied in many critical fields, such as motor vehicles, medical devices, the …

Defect management and multi‐mode optoelectronic manipulations via photo‐thermochromism in smart windows

X Wu, J Lin, Z Xu, C Zhao, C Lin… - Laser & Photonics …, 2021 - Wiley Online Library
Smart windows with adjustable transmittance via physical stimuli are eagerly desired for
sorts of energy‐saving lighting systems. However, reciprocal trade‐off relationship such as …

Ultrahigh Electrobending Deformation in Lead‐Free Piezoelectric Ceramics via Defect Concentration Gradient Design

J Wang, B Wang, H Zhang, S Zhang… - Advanced …, 2024 - Wiley Online Library
Recent breakthroughs in defect‐engineered lead‐free piezoelectric ceramics have reported
remarkable electrostrain values, surpassing the limit of lattice distortion. This has aroused …

Reversible modulation of photoenergy in Sm-doped (K 0.5 Na 0.5) NbO 3 transparent ceramics via photochromic behavior

J Lin, Y Zhou, Q Lu, X Wu, C Lin, T Lin… - Journal of Materials …, 2019 - pubs.rsc.org
By simply do** with a certain amount of Sm3+, opaque lead-free (K0. 5Na0. 5) NbO3
piezoelectric ceramics were fabricated into transparent/translucent ceramics. The …

Develo**" smart windows" for optical storage and temperature sensing based on KNN transparent ceramics

F Yu, B Ma, Z **e, P Wang, X Wu, C Lin, C Zhao… - Journal of the European …, 2023 - Elsevier
Smart windows have attracted considerable attention due to their wide applications in
optical data storage, switchable sunroof and temperature sensing. The development …

How to realize ultrahigh photochromic performance for real-time optical recording in transparent ceramics

X Wu, F Yu, R **ong, P Wang, P Zhou… - … Applied Materials & …, 2023 - ACS Publications
A combination of transparency and photochromic (PC) properties in ferroelectrics has
promising application potential in smart windows and optical storage/imaging. Nonetheless …

Defect-mediated domain-wall motion and enhanced electric-field-induced strain in hot-pressed K0. 5Na0. 5NbO3 lead-free piezoelectric ceramics

YX Liu, HC Thong, YYS Cheng, JW Li… - Journal of Applied …, 2021 - pubs.aip.org
Since the extrinsic contribution is the key to electric-field-induced strain in ferroelectrics,
engineering the interaction between defect and domain-wall motion has been an effective …

Li-substituted K0. 5Na0. 5NbO3-based piezoelectric ceramics: crystal structures and the effect of atmosphere on electrical properties

C Long, T Li, H Fan, Y Wu, L Zhou, Y Li, L **ao… - Journal of Alloys and …, 2016 - Elsevier
Crystal structures and electrical properties of (Na 0.5 K 0.5) 1− x Li x NbO 3 (x= 0, 0.055,
0.06, 0.065, 0.07; KNN-xLi) ceramics were investigated systematically. Rietveld refinements …

Highly responsive photochromic behavior with large coloration contrast in Ba/Sm co-doped (K0. 5Na0. 5) NbO3 transparent ceramics

F Yu, Y Chi, P Wang, B Ma, X Wu, C Lin, C Zhao… - Ceramics …, 2022 - Elsevier
Ferroelectrics that simultaneously possess optical transparency and photochromic (PC)
behavior have attracted extensive attention for multi-functionality. However, inability to …