Structural and superconducting aspects in REBa2Cu 3O7-δ (RE = Nd, Gd, Eu) superconductors prepared by wet-mixing method and varying sintering temperature

W. G. Suharta, S. Suasmoro, S. Pratapa, Darminto

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

6 Citations (Scopus)

Abstract

The rare-earth copper oxide superconductors of Nd1Ba 2Cu3O7-δ, Nd0.5Gd 0.5Ba2Cu3O7-δ and Nd 0.33Eu0.33Gd0.33Ba2Cu 3O7-δ have successfully been synthesized by introducing a wet-mixing method. Sintering was carried out at varying temperatures of 920, 940, 960 and 970°C for 10 hours in air. The effects of sintering temperature on the structural and crystallinity of the synthesized powders was studied using X-ray diffraction techniques. Rietveld analyses gave clearly separated diffraction (013) and (110) peaks at respectively 32.2° and 32.5°, decreasing Goodness-of-Fit, increasing average crystal size and increasing orthorhombicity with increasing sintering temperature from 920 to 970°C. In this research, the superconducting critical temperatures of Nd0.5Gd0.5Ba2Cu3O 7-δ and Nd0.33Eu0.33Gd 0.33Ba2Cu3O7-δ powders sintered at 970°C and measured using a SQUID magnetometer was obtained to be about 88-91 K.

Original languageEnglish
Title of host publicationInternational Conference on Theoretical and Applied Physics, ICTAP 2012
Pages62-66
Number of pages5
DOIs
Publication statusPublished - 2013
Event2nd International Conference on Theoretical and Applied Physics, ICTAP 2012 - Palangkaraya, Central of Kalimantan, Indonesia
Duration: 19 Oct 201220 Oct 2012

Publication series

NameAIP Conference Proceedings
Volume1555
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

Conference2nd International Conference on Theoretical and Applied Physics, ICTAP 2012
Country/TerritoryIndonesia
CityPalangkaraya, Central of Kalimantan
Period19/10/1220/10/12

Keywords

  • X-ray
  • dc-susceptibility
  • superconductor
  • wet-mixing method

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