A Comparison Study on Structural Properties in La_0.7Ca_0.2Sr_0.1MnO₃ Compound Synthesized by Solid-State, Sol-Gel, and Wet-Mixing Methods

Abstract:

In this research, we have tried to investigate the effects of the synthesis methods on structural properties in La_0.7Ca_0.2Sr_0.1MnO₃ compound synthesized using solid-state, sol-gel, and wet-mixing methods. All samples were measured with several measurements such as X-ray diffraction (XRD), scanning electron microscope-energy dispersive X-ray (SEM-EDX), and Fourier transform infrared spectroscopy (FTIR). Our XRD analysis reveals a single phase without impurity and confirms the presence of orthorhombic structures with Pnma space group. Additionally, the average crystal size of La_0.7Ca_0.2Sr_0.1MnO₃ compound by using solid-state, sol-gel, and wet-mixing methods exhibits values of 112.51, 91.33, and 88,75 nm. For the morphological structure analysis, we have carried out SEM analysis which shows a decreasing value of grain size average of 1.70, 0.91, and 0.81 μm for solid-state, sol-gel, and wet-mixing methods samples, respectively, which have a similar trend with values of the average crystal size. The FTIR measurement confirms the presence of the internal bending mode of MnO₆ and asymmetric stretching mode of MnO₆ at a band around 518.16 - 524.24 and 548.68 - 616.57cm^-1, respectively.

• Periodical: Materials Science Forum (Volume 1152)
• Pages: 45-54
• DOI: https://doi.org/10.4028/p-X4BrmP
• Online since: June 2025
• Authors: Phahul Zhemas Zul Nehan*, Okvarahireka Vitayaya, Dicky Rezky Munazat, Marzuki Naibaho, Maykel Manawan, Darminto Darminto, Budhy Kurniawan
• Keywords: Ceramic, Comparison Synthesis Method, Perovskite Manganite, X-Ray Diffraction

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