Formation of (Tl1-x Crx)Sr2CaCu2O7-δ (Tl-1212) superconducting phase using Cr2S3

Annas Al-Sharabi, Roslan Abd. Shukor

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

The use of Cr2S3 to prepare the (Tl1-x Crx)Sr2CaCu2O7-δ (Tl-1212) superconductor phase is discussed. Samples with nominal starting composition (Tl1-x Crx)Sr2CaCu2O7-δ (Tl-1212) for x = 0.05, 0.10, 0.15, 0.20, 0.25 and 0.30 were prepared by the solid state reaction method. Cr2S3 with lower melting point than the normally used Cr2O3 was employed for the Cr source. The samples were studied by powder X-ray diffraction method and electrical resistance versus temperature measurements. The samples with x = 0.05 and 0.10 showed a single Tl-1212 phase. A higher amount of Cr (x > 0.10) showed the Tl-1201 as a minor phase. The onset transition temperature (Tc onset) was between 90 K and 105 K. Sample with x = 0.15 showed the highest Tc onset (105 K) and the lowest normal state electrical resistivity although it contained the Tl-1201 impurity phase. Our results showed that Cr2S3 could be effectively used to prepare a high purity and high quality Tl-1212 superconducting phase.

Original languageEnglish
Pages (from-to)7825-7830
Number of pages6
JournalInternational Journal of Electrochemical Science
Volume8
Issue number6
Publication statusPublished - Jun 2013

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Acoustic impedance
Solid state reactions
Temperature measurement
X ray powder diffraction
Superconducting materials
Superconducting transition temperature
Melting point
Impurities
Chemical analysis
5-demethylbupranolol

Keywords

  • CrS
  • Electrical properties
  • Superconductors
  • Thallium-based

ASJC Scopus subject areas

  • Electrochemistry

Cite this

Formation of (Tl1-x Crx)Sr2CaCu2O7-δ (Tl-1212) superconducting phase using Cr2S3 . / Al-Sharabi, Annas; Abd. Shukor, Roslan.

In: International Journal of Electrochemical Science, Vol. 8, No. 6, 06.2013, p. 7825-7830.

Research output: Contribution to journalArticle

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