Effects of Ag doping on the microstructural, morphological, and magnetic properties of a perovskite material, (La1-xAgx)0.8Ca0.2MnO3

S. D. Rosanti, B. Kurniawan

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1 Citation (Scopus)

Abstract

In this study, perovskite (La1-xAgx)0.8Ca0.2MnO3 material was synthesized using the solgel method with different Ag doping levels (x = 0.0.3 and 0.1). The precursors, La2O3, AgN3, Ca(NO3)2.4H2O, and Mn(NO3)2.4H2O were combined stoichiometrically and sintered at 900°C for 24 h. Energy dispersive X-ray spectroscopy was used to confirm the purity of each sample. Rietveld refinement of the X-ray diffraction pattern showed that the samples had a single phase and orthorhombic structure with the Pnma space group. Scanning electron microscopy revealed density, porosity, and granular morphology that affected the characteristics of the sample. The magnetic hysteresis curves indicate that the material was paramagnetic and material with x = 0.1 has a higher magnetic susceptibility than with x = 0.03.

Original languageEnglish
Article number012035
JournalIOP Conference Series: Materials Science and Engineering
Volume496
Issue number1
DOIs
Publication statusPublished - 22 Feb 2019
Event2nd International Conference on Current Progress in Functional Materials 2017, ISCPFM 2017 - Bali, Indonesia
Duration: 8 Nov 20179 Nov 2017

Keywords

  • Ag-doping
  • perovskite
  • sintering
  • sol-gel

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