1. LiNbO 3 Thin Films through a Sol–Gel/Spin-Coating Approach Using a Novel Heterobimetallic Lithium–Niobium Precursor.
- Author
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Lo Presti, Francesca, Pellegrino, Anna Lucia, Micard, Quentin, Condorelli, Guglielmo Guido, Margueron, Samuel, Bartasyte, Ausrine, and Malandrino, Graziella
- Subjects
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THIN films , *ENERGY dispersive X-ray spectroscopy , *ATTENUATED total reflectance , *LITHIUM niobate , *RAMAN spectroscopy , *X-ray photoelectron spectroscopy - Abstract
Lithium niobate is a lead-free material which has attracted considerable attention due to its excellent optical, piezoelectric, and ferroelectric properties. This research is devoted to the synthesis through an innovative sol–gel/spin-coating approach of polycrystalline LiNbO3 films on Si substrates. A novel single-source hetero-bimetallic precursor containing lithium and niobium was synthesized and applied to the sol–gel synthesis. The structural, compositional, and thermal characteristics of the precursor have been tested through attenuated total reflection, X-ray photoelectron spectroscopy, thermogravimetric analysis, and differential scanning calorimetry. The LiNbO3 films have been characterized from a structural point of view with combined X-ray diffraction and Raman spectroscopy. Field-emission scanning electron microscopy, energy dispersive X-ray analysis, and X-ray photoelectron spectroscopy have been used to study the morphological and compositional properties of the deposited films. [ABSTRACT FROM AUTHOR]
- Published
- 2024
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