Issue 17, 2021

Sizing up (K1−xNax)NbO3 films: a review of synthesis routes, properties & applications

Abstract

Potassium sodium niobate, (K1−xNaxNbO3, KNN), is often discussed in the realm of lead-free piezoelectrics due to the widespread restrictions on the use of hazardous lead in electronics. However, as PbZr1−xTixO3 (PZT) is by far the best performing piezoelectric for sensors, actuators and other industry applications, it is somewhat difficult to envision a lead-free alternative. KNN does offer other benefits over archetypical piezoelectrics, such as biocompatibility and easily tunable phase transition temperatures, which will soon be utilized in new device applications. In this review, we will discuss KNN thin films and the techniques used to synthesize them. We will discuss how properties are tailored through additivities and review future applications in which KNN thin films are leading the way. We will also consider the environmental impact of this material, and finally the role which chemists can play in developing KNN thin films in the near future.

Graphical abstract: Sizing up (K1−xNax)NbO3 films: a review of synthesis routes, properties & applications

Article information

Article type
Perspective
Submitted
04 Mac 2021
Accepted
07 Apr 2021
First published
08 Apr 2021

New J. Chem., 2021,45, 7408-7436

Sizing up (K1−xNax)NbO3 films: a review of synthesis routes, properties & applications

S. R. Burns and M. R. Dolgos, New J. Chem., 2021, 45, 7408 DOI: 10.1039/D1NJ01092A

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