Structural Studies of La 0.7 Sr 0.2 Ba 0.1 Mn 1-x Ni x O 3 (x = 0 and x = 0.1) perovskite manganite synthesized by sol-gel method

D. R. Munazat, B. Kurniawan

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La 0.7 Sr 0.2 Ba 0.1 Mn 1-x Ni x O 3 (x=0 and x=0.1) material has been successfully synthesized using sol-gel method. The XRD pattern shows the sample has a single phase without impurities. The result of refinement showed that both samples formed a rhombohedral structure with R-3c (167) space group. The addition of nickel ions with a concentration of 10% does not change the crystal structure, but causes a decrease in lattice parameters, unit cell volume, Mn-O-Mn Bond angle, and increase Mn-O Bond length. The unit cell volume of La 0.7 Sr 0.2 Ba 0.1 MnO 3 and La 0.7 Sr 0.2 Ba 0.1 Mn 0.9 Ni 0.1 O 3 are 353.382 Å 3 and 352.036 Å 3 . The MnO-Mn angle for both is 168.021° and 163.829°, while the Mn-O bond lengths are 1.9559 Å and 1.9624 Å respectively. Goldschmidt's tolerance factor was calculated to know the stability of the crystal structure. Tolerance factor calculation results confirm that the stable crystal structure is rhombohedral perovskite structure (0.97372 and 0.97154).

Original languageEnglish
Article number012051
JournalJournal of Physics: Conference Series
Issue number1
Publication statusPublished - 3 May 2019
EventUNNES Physics International Symposium 2018, UPIS2018 - Semarang, Central Java, Indonesia
Duration: 3 May 2018 → …

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