Volume 25, Issue 3 (9-2017)                   www.ijcm.ir 2017, 25(3): 647-654 | Back to browse issues page

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Khorrami G, Mousavi M. Effect of gelatin on structural properties of lead-free piezoelectric (K0.5Na0.5) NbO3 nanopowders synthesized by a modified sol-gel route in gelatin media. www.ijcm.ir. 2017; 25 (3) :647-654
URL: http://ijcm.ir/article-1-962-en.html
Abstract:   (1199 Views)
In this research, lead-free piezoelectric Sodium potassium niobate nanopowders (K0.5Na0.5)NbO3 were synthesized using a modified sol–gel method. Nitrate sodium, nitrate potassium, and ammonium niobate oxalate were used as starting materials. Gelatin which is natural polymer was used as polymerization agent and distilled water was used as solvent. The crystal structure of the prepared powders is characterized using X-ray diffraction (XRD) and crystallite size, lattice strain and stress were estimated using Scherrer formula, Williamson-Hall (W-H), and Size-strain Plot (SSP) methods. TEM images showed that the morphology of the prepared particles is cubic, with the average size of about 100 to 200 nm. Selected area electron diffraction (SEAD) image of the samples were confirmed that the prepared particles have good crystallinity.
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Type of Study: Research | Subject: Special
Received: 2017/08/29 | Accepted: 2017/08/29 | Published: 2017/08/29

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