NDLI: Preparation and characterization of LiTaO$_{3}$ films derived by an improved sol-gel process

Content Provider	Springer Nature Link
Author	Li, Weizhi Jiang, Yadong Huang, Zehua Gou, Jun Wang, Jun Yang, Ming
Copyright Year	2013
Abstract	In this paper, an improved sol-gel method was suggested to obtain high-concentration LiTaO$_{3}$ precursor solution for simplified experimental conditions and thicker films, by mixing lithium acetate and tantalum ethoxide in a 1, 2-Propylene glycol solution. Compared to traditional methods, the process was done without weak acidic solution and absolute dry experimental condition. Results of a comparative study of LiTaO$_{3}$ thin films derived by the improved sol-gel process and a traditional process using 2-methoxy ethanol as solvent were presented. Nano-crystalline LiTaO$_{3}$ films with rhombohedral structures were formed in both methods after annealing at 650 ° for 5 min. The thickness of each LiTaO$_{3}$ layer coated onto the substrate increased from 25 nm to 110 nm when 2-methoxy ethanol was replaced by 1, 2-Propylene glycol. LiTaO$_{3}$ films with a stronger preferential orientation were obtained in 1, 2-Propylene glycol due to its higher boiling point and slower volatilization rate. On the other hand, the diffraction peak intensity of LiTaO$_{3}$ thin films prepared using 1, 2-Propylene glycol was weaker than that of the films prepared using 2-methoxy ethanol due to decreased times of annealing.
Starting Page	299
Ending Page	302
Page Count	4
File Format	PDF
ISSN	10067191
Journal	Acta Metallurgica Sinica (English Letters)
Volume Number	26
Issue Number	3
e-ISSN	21941289
Language	English
Publisher	The Chinese Society for Metals
Publisher Date	2013-05-15
Publisher Place	Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Spectroscopy/Spectrometry Tribology, Corrosion and Coatings LiTaO$_{3}$ Sol-gel Organometallic Chemistry Crystallization Characterization and Evaluation of Materials Metallic Materials Nanotechnology Thin film
Content Type	Text
Resource Type	Article
Subject	Industrial and Manufacturing Engineering Metals and Alloys

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