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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
Evolution of the number of scientific papers related to the search of “ZnO” and “ZnO thin films” phrases published between 1980–2023. Inset: illustration of the last decade. Source: Scopus (accessed on 12 May 2023).