Formation of Tl-1223 phase in Cr substituted (Tl1-xCr x)Ba2Ca2Cu3O9-δ (x=0.3 to 0.9) superconductor

M. G. Ranjbar, Roslan Abd. Shukor

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

The effect of Cr substitution on the formation of Tl-1223 type phase is reported. Samples with nominal starting composition (Tl1-xCr x)Ba2Ca2Cu3O9 (Tl-1223) for x=0.3-0.9 were prepared using the solid state reaction method. The samples were studied by powder X-ray diffraction method, electrical resistance versus temperature measurements and scanning electron microscopy (SEM). The x=0.3, 0.4 and 0.5 samples showed a mixed Tl-2212 and Tl-1223 phase. The samples with x=0.6, 0.7 and 0.8 showed a single Tl-1223 phase. The x=0.6 sample showed the highest onset temperature of 124 K and zero-resistance temperature of 116 K. Our results showed that the (Tl,Cr)-1223 phase can be stabilized with Cr substitutions without the use of Sr.

Original languageEnglish
Pages (from-to)13869-13872
Number of pages4
JournalCeramics International
Volume40
Issue number9 PART A
DOIs
Publication statusPublished - 2014

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Superconducting materials
Substitution reactions
Acoustic impedance
Solid state reactions
Temperature measurement
X ray powder diffraction
Temperature
Scanning electron microscopy
Chemical analysis

Keywords

  • A. Powders: solid state reaction
  • B. X-ray methods
  • C. Electrical properties
  • D. Oxide superconductors

ASJC Scopus subject areas

  • Ceramics and Composites
  • Process Chemistry and Technology
  • Electronic, Optical and Magnetic Materials
  • Surfaces, Coatings and Films
  • Materials Chemistry

Cite this

Formation of Tl-1223 phase in Cr substituted (Tl1-xCr x)Ba2Ca2Cu3O9-δ (x=0.3 to 0.9) superconductor. / Ranjbar, M. G.; Abd. Shukor, Roslan.

In: Ceramics International, Vol. 40, No. 9 PART A, 2014, p. 13869-13872.

Research output: Contribution to journalArticle

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abstract = "The effect of Cr substitution on the formation of Tl-1223 type phase is reported. Samples with nominal starting composition (Tl1-xCr x)Ba2Ca2Cu3O9 (Tl-1223) for x=0.3-0.9 were prepared using the solid state reaction method. The samples were studied by powder X-ray diffraction method, electrical resistance versus temperature measurements and scanning electron microscopy (SEM). The x=0.3, 0.4 and 0.5 samples showed a mixed Tl-2212 and Tl-1223 phase. The samples with x=0.6, 0.7 and 0.8 showed a single Tl-1223 phase. The x=0.6 sample showed the highest onset temperature of 124 K and zero-resistance temperature of 116 K. Our results showed that the (Tl,Cr)-1223 phase can be stabilized with Cr substitutions without the use of Sr.",
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AU - Abd. Shukor, Roslan

PY - 2014

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N2 - The effect of Cr substitution on the formation of Tl-1223 type phase is reported. Samples with nominal starting composition (Tl1-xCr x)Ba2Ca2Cu3O9 (Tl-1223) for x=0.3-0.9 were prepared using the solid state reaction method. The samples were studied by powder X-ray diffraction method, electrical resistance versus temperature measurements and scanning electron microscopy (SEM). The x=0.3, 0.4 and 0.5 samples showed a mixed Tl-2212 and Tl-1223 phase. The samples with x=0.6, 0.7 and 0.8 showed a single Tl-1223 phase. The x=0.6 sample showed the highest onset temperature of 124 K and zero-resistance temperature of 116 K. Our results showed that the (Tl,Cr)-1223 phase can be stabilized with Cr substitutions without the use of Sr.

AB - The effect of Cr substitution on the formation of Tl-1223 type phase is reported. Samples with nominal starting composition (Tl1-xCr x)Ba2Ca2Cu3O9 (Tl-1223) for x=0.3-0.9 were prepared using the solid state reaction method. The samples were studied by powder X-ray diffraction method, electrical resistance versus temperature measurements and scanning electron microscopy (SEM). The x=0.3, 0.4 and 0.5 samples showed a mixed Tl-2212 and Tl-1223 phase. The samples with x=0.6, 0.7 and 0.8 showed a single Tl-1223 phase. The x=0.6 sample showed the highest onset temperature of 124 K and zero-resistance temperature of 116 K. Our results showed that the (Tl,Cr)-1223 phase can be stabilized with Cr substitutions without the use of Sr.

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KW - D. Oxide superconductors

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