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Are lead-free piezoelectrics more environmentally friendly?

Ibn-Mohammed, T., Koh, S. C. L., Reaney, I. M., Sinclair, D. C., Mustapha, K. B., Acquaye, Adolf, Wang, D. (2017) Are lead-free piezoelectrics more environmentally friendly? MRS Communications, 7 (01). pp. 1-7. ISSN 2159-6859. (doi:10.1557/mrc.2017.10) (KAR id:60980)

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https://doi.org/10.1557/mrc.2017.10

Abstract

Considered as a less hazardous piezoelectric material, potassium sodium niobate (KNN) has been in the fore of the search for replacement of lead (Pb) zirconate titanate for piezoelectrics applications. Here, we challenge the environmental credentials of KNN due to the presence of ~60 wt% Nb2O5, a substance much less toxic to humans than Pb oxide, but whose mining and extraction cause significant environmental damage.

Item Type: Article
DOI/Identification number: 10.1557/mrc.2017.10
Divisions: Faculties > Social Sciences > Kent Business School
Faculties > Social Sciences > Kent Business School > Centre for Logistics and Heuristic Organisation (CLHO)
Depositing User: Adolf Acquaye
Date Deposited: 21 Mar 2017 13:31 UTC
Last Modified: 06 Feb 2020 04:15 UTC
Resource URI: https://kar.kent.ac.uk/id/eprint/60980 (The current URI for this page, for reference purposes)
Acquaye, Adolf: https://orcid.org/0000-0003-0430-2498
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