Effect of te substitution on (Tl0.5Pb0.5)Sr 2(Ca1-xTex)Cu2O7 (x = 0.0 to 0.5) superconductor

Efil Yusrianto, Roslan Abd. Shukor

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

The (Tl0.5Pb0.5)Sr2(Ca 1-xTex)Cu2O7-δ (Tl-1212) superconductor for x = 0.0 to 0.5 has been prepared and studied by a powder X-ray diffraction method, electrical resistance and AC susceptibility measurements. Most of the samples showed Tl-1212 as the major phase and Tl-1201 as the minor phases. Small amounts of Te substitution (x ≤ 0.3) maintained the formation of the Tl-1212 phase but larger amounts led to the formation of 1201 and an unknown impurity phase. The resistance versus temperature curve showed metallic behavior for all samples. The resistance versus temperature curves showed onset transition temperature (Tc onset) between 92 and 97 K. Our results indicated the combined effects of Te substitution, heating temperature and heating time on the formation and optimization of the (Tl 0.5Pb0.5)Sr2(Ca1-xTe x)Cu2O7 superconductor.

Original languageEnglish
Pages (from-to)2265-2270
Number of pages6
JournalJournal of Superconductivity and Novel Magnetism
Volume25
Issue number7
DOIs
Publication statusPublished - Oct 2012

Fingerprint

Superconducting materials
Substitution reactions
substitutes
Heating
heating
Acoustic impedance
curves
electrical resistance
X ray powder diffraction
Temperature
Superconducting transition temperature
temperature
alternating current
transition temperature
Impurities
magnetic permeability
impurities
optimization
diffraction
x rays

Keywords

  • Heating time
  • Phase formation
  • Tl-1212 superconductor

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

Cite this

Effect of te substitution on (Tl0.5Pb0.5)Sr 2(Ca1-xTex)Cu2O7 (x = 0.0 to 0.5) superconductor. / Yusrianto, Efil; Abd. Shukor, Roslan.

In: Journal of Superconductivity and Novel Magnetism, Vol. 25, No. 7, 10.2012, p. 2265-2270.

Research output: Contribution to journalArticle

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N2 - The (Tl0.5Pb0.5)Sr2(Ca 1-xTex)Cu2O7-δ (Tl-1212) superconductor for x = 0.0 to 0.5 has been prepared and studied by a powder X-ray diffraction method, electrical resistance and AC susceptibility measurements. Most of the samples showed Tl-1212 as the major phase and Tl-1201 as the minor phases. Small amounts of Te substitution (x ≤ 0.3) maintained the formation of the Tl-1212 phase but larger amounts led to the formation of 1201 and an unknown impurity phase. The resistance versus temperature curve showed metallic behavior for all samples. The resistance versus temperature curves showed onset transition temperature (Tc onset) between 92 and 97 K. Our results indicated the combined effects of Te substitution, heating temperature and heating time on the formation and optimization of the (Tl 0.5Pb0.5)Sr2(Ca1-xTe x)Cu2O7 superconductor.

AB - The (Tl0.5Pb0.5)Sr2(Ca 1-xTex)Cu2O7-δ (Tl-1212) superconductor for x = 0.0 to 0.5 has been prepared and studied by a powder X-ray diffraction method, electrical resistance and AC susceptibility measurements. Most of the samples showed Tl-1212 as the major phase and Tl-1201 as the minor phases. Small amounts of Te substitution (x ≤ 0.3) maintained the formation of the Tl-1212 phase but larger amounts led to the formation of 1201 and an unknown impurity phase. The resistance versus temperature curve showed metallic behavior for all samples. The resistance versus temperature curves showed onset transition temperature (Tc onset) between 92 and 97 K. Our results indicated the combined effects of Te substitution, heating temperature and heating time on the formation and optimization of the (Tl 0.5Pb0.5)Sr2(Ca1-xTe x)Cu2O7 superconductor.

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