Morphological and Structural Analysis of Nd₁(Fe)_0.2Ba_1.8Cu₃O_7-δ Oxide Material

Abstract:

Nd₁(Fe)_0.2Ba_1.8Cu₃O_7-δ oxide material have been successfully synthesized by solid-state reaction with modified heat treatment process to improve the heat time efficiency, calcination at 950°C for six hours, sintering at 975°C fo six hours, and annealing at 450°C for six hours, respectively. The X-ray diffraction pattern shows that a single-phase form of Nd₁(Fe)_0.2Ba_1.8Cu₃O_7-δ is an orthorhombic (Pmmm) structure. The Rietveld refinement analysis found, the lattice parameter are a = 3.8758Å, b = 3.9101Å, and c = 11.7190Å with χ² = 1.394%. The SEM-EDAX image shows that the samples are form clusters with size estimates of 10 - 40μm, and the elemental composition of the oxide materials is Ba rich.

• Periodical: Key Engineering Materials (Volume 855)
• Pages: 117-122
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.855.117
• Online since: July 2020
• Authors: Eko Hadi Sujiono*, Nurul Fitriyah Mahendi, Abdul Haris, M. Yusriadi Dahlan, Bunga Dara Amin, Samnur Samnur, Dirfan Zabrian
• Keywords: Heat Treatment, Nd₁(Fe)_0.2Ba_1.8Cu₃O_7-δ System, Rietveld Refinement, Solid-State Reaction

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