Preparation of Tl-2212 Cr-Substituted (Tl2-xCrx)Ba2CaCu2O8-δ Superconductor

Syahrul Humaidi, Muhammad Razali, Roslan Abd. Shukor

Research output: Contribution to journalConference article

Abstract

We have prepared Tl2-xCrx)Ba2CaCu2O8-δ (Tl-2212) for x = 0.0-0.4 by standard solid state reaction with carbonate precursor and Cr2O3 as a source of Cr. The role of Cr substitute the Tl-sites in Tl-2212 superconductor system has been studied. The dc electrical resistance was determined using four point probe and the phase occurrence was studied by X-ray diffraction method. The transition temperature showed metallic normal state behavior for all samples. It was found that the addition of 0.2% mole Cr enhanced the Tc zero for 3.22%, whereas Tconset was enhanced up to 10.47%. The effectiveness substitution of Tl-sites by Cr was achieved in the series of x < 0.2%. Most of the samples were in 14/mmm space group.

Original languageEnglish
Article number032010
JournalJournal of Physics: Conference Series
Volume1116
Issue number3
DOIs
Publication statusPublished - 24 Dec 2018
Event1st SEMIRATA-International Conference on Science and Technology, SEMIRATA-ICST 2018 - Medan, Indonesia
Duration: 4 May 20186 May 2018

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substitutes
preparation
electrical resistance
carbonates
transition temperature
occurrences
solid state
probes
diffraction
x rays

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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Preparation of Tl-2212 Cr-Substituted (Tl2-xCrx)Ba2CaCu2O8-δ Superconductor. / Humaidi, Syahrul; Razali, Muhammad; Abd. Shukor, Roslan.

In: Journal of Physics: Conference Series, Vol. 1116, No. 3, 032010, 24.12.2018.

Research output: Contribution to journalConference article

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abstract = "We have prepared Tl2-xCrx)Ba2CaCu2O8-δ (Tl-2212) for x = 0.0-0.4 by standard solid state reaction with carbonate precursor and Cr2O3 as a source of Cr. The role of Cr substitute the Tl-sites in Tl-2212 superconductor system has been studied. The dc electrical resistance was determined using four point probe and the phase occurrence was studied by X-ray diffraction method. The transition temperature showed metallic normal state behavior for all samples. It was found that the addition of 0.2{\%} mole Cr enhanced the Tc zero for 3.22{\%}, whereas Tconset was enhanced up to 10.47{\%}. The effectiveness substitution of Tl-sites by Cr was achieved in the series of x < 0.2{\%}. Most of the samples were in 14/mmm space group.",
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