| K0.5Na0.5NbO3
Based Lead-Free Piezoelectric Ceramics:
A Review with Focus on Bibliometric Study |
Aayushi Gupta, Jayant Kolte and Prabal Pratap Singh Bhadauria*
Pages : 283-299
DOI: 10.1080/0371750X.2025.2599099 |
| Abstract |
| A comprehensive bibliometric analysis of sodium potassium niobate (K0.5Na0.5NbO3
,
KNN)-based piezoelectric materials, highlighting the significant advancements
and research trends in the field over the past two decades has been conducted in
this study. KNN has emerged as a promising lead-free alternative to traditional lead-
based piezoelectric ceramics like lead zirconate titanate (PZT), accounting for
environmental concerns. Analysis was conducted using the Scopus database,
circumscribing 1,620 publications from year 2003 to 2025, revealing key themes such
as phase boundary engineering, doping effects and microstructural optimization that
enhance KNN’s piezoelectric properties. The results indicate a dramatic increase in
global research output, indicating a shift towards sustainable piezoelectric materials.
Key contributors and influential papers are identified, showcasing the collaborative
efforts in this rapidly evolving field. This bibliometric study maps the current landscape
of KNN research. It provides insights into future directions, emphasizing the
importance of continued innovation and collaboration in developing high-performance
lead-free piezoelectric devices.
[Keywords: KNN (potassium sodium niobate), Lead-free ceramics, Morphotropic phase
boundary (MPB), Bibliometric, VOSviewer] |
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