Potassium‐sodium‐niobate‐based thin films: lead free for micro‐piezoelectrics

SW Zhang, Z Zhou, J Luo, JF Li - Annalen der Physik, 2019 - Wiley Online Library
Extensive research and great progress of (K, Na) NbO3 (KNN)‐based lead‐free
piezoelectric films have been driven by the current legislation and the requirement for …

Synthesis and enhanced piezophotocatalytic activity of Ag2O/K0. 5Na0. 5NbO3 composites

D Zhang, C Su, H Li, X Pu, Y Geng - Journal of Physics and Chemistry of …, 2020 - Elsevier
Abstract Ag 2 O/K 0.5 Na 0.5 NbO 3 (Ag 2 O/KNN) piezophotocatalysts with different weight
ratios of Ag 2 O to KNN were synthesized by a facile two-step method involving …

High-efficiency synthesis of high-performance K0. 5Na0. 5NbO3 ceramics

B Chen, P Liang, D Wu, X Zhao, X Qiao, Z Peng… - Powder Technology, 2019 - Elsevier
Abstract Pure (K 0.5 Na 0.5) NbO 3 (KNN) ceramics with high density, fine and uniform-size
grains were prepared by mechanochemical activation-assisted process. The time of …

Rapid thermal annealing induced engineering of surface and photoluminescence properties of (K, Na) NbO3 thin films for optoelectronic applications

R Shyam, D Negi, M Gupta, P Vashishtha… - Applied Surface …, 2022 - Elsevier
The present study is focused on understanding the mechanism of luminescence behavior
and how it gets affected with post annealing temperature via rapid thermal annealing of (K …

Improved ferroelectric photovoltaic effect in Mn-doped lead-free K0. 5Na0. 5NbO3 films

Y Sun, F Guo, Q Lu, S Zhao - Ceramics International, 2018 - Elsevier
The pure and Mn-doped K 0.5 Na 0.5 NbO 3 (KNN) films were deposited using solution-
gelation method. The crystal structure, ferroelectric properties, spectral response and JV …

Investigation of annealing effects on structural, morphological, optical, chemical, and luminescent properties of (K, Na) NbO3 thin films

R Shyam, D Negi, K Shekhawat, M Kumar… - Physica B: Condensed …, 2023 - Elsevier
Abstract Here,(K, Na) NbO 3 (KNN) films were synthesized using RF sputtering under Ar: O 2
(3: 1) environment, and eventually annealed by rapid thermal annealing (RTA), and …

[HTML][HTML] Tailoring of physical properties of (K, Na) NbO3 thin films using lithium ion implantation

R Shyam, D Negi, K Shekhawat, F Singh, D Devi… - Results in Physics, 2023 - Elsevier
The present study demonstrates the tuning of structural, topography, and luminescence
properties of 30 keV Li-ion implanted (K, Na) NbO 3 thin films synthesized using RF …

Microwave dielectric and nonlinear optical studies on radio‐frequency sputtered Dy2O3‐doped KNN thin films

M Peddigari, V Patel, GP Bharti… - Journal of the …, 2017 - Wiley Online Library
We report the effect of oxygen mixing percentage (OMP) on structural, microstructural,
dielectric, linear, and nonlinear optical properties of Dy2O3‐doped (K0. 5Na0. 5) NbO3 thin …

Enhanced tunability and temperature-dependent dielectric characteristics at microwaves of K0. 5Na0. 5NbO3 thin films epitaxially grown on (100) MgO substrates

B Aspe, X Castel, V Demange, D Passerieux… - Journal of Alloys and …, 2021 - Elsevier
Abstract K 0.5 Na 0.5 NbO 3 thin films were deposited by pulsed laser deposition on (100)
MgO substrates for microwave device applications. A fine epitaxial growth of pure perovskite …

Photonic replica symmetry breaking glassy transition and Lévy flight statistics of emission intensity in dye-doped colloidal potassium sodium niobate random laser

PK Nideesh, CSC Lekha, R Antoine… - Optics & Laser …, 2024 - Elsevier
This article explores the statistics of spectral features, particularly shot-to-shot intensity
fluctuations, in a potassium sodium niobate-dye colloidal system used as a random lasing …