Electrical Properties of Li Substituted (Tl0.85Cr0.15)Sr2-xLixCaCu2O7 Superconductor

J. Nur-Akasyah, K. Muhammad Aizat, Nurul Raihan Mohd Suib, Roslan Abd. Shukor

Research output: Contribution to journalConference article

Abstract

The effects of Li substitution for Sr in (Tl0.85Cr0.15)Sr2-xLixCaCu2O7 (Tl-1212) with x = 0 - 0.10 were investigated. Tl-1212 superconductor pellets were prepared via solid-state reaction and precursor method. The samples were characterized by x-ray diffraction and four-point probe methods. The XRD patterns showed that all samples formed mixed phases of Tl-1212 and Ca0.3Sr0.7CuO2 (CSCO). The temperature-dependent resistance measurements showed metallic-behavior for all samples with onset transition temperature, Tc onset between 96 K and 105 K and zero resistance temperature, Tc zero between 85 K and 94 K. The transition-width, ΔTc of all samples was in the range of 4 K to 11 K. The x = 0.02 and 0.07 sample showed increase in Tc onset to 105 K and 102 K, respectively. This work showed that Li improved the transition temperature for x = 0.02 and 0.07 samples although the dominant phase was not Tl-1212.

Original languageEnglish
Article number012033
JournalJournal of Physics: Conference Series
Volume1083
Issue number1
DOIs
Publication statusPublished - 10 Sep 2018
Event6th International Conference of Solid State Science and Technology and Workshop on Advanced Materials Technology: Growth and Characterization, ICSSST AMTGC 2017 - Penang, Malaysia
Duration: 13 Nov 201716 Nov 2017

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electrical properties
transition temperature
pellets
x ray diffraction
substitutes
solid state
temperature

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Electrical Properties of Li Substituted (Tl0.85Cr0.15)Sr2-xLixCaCu2O7 Superconductor. / Nur-Akasyah, J.; Muhammad Aizat, K.; Mohd Suib, Nurul Raihan; Abd. Shukor, Roslan.

In: Journal of Physics: Conference Series, Vol. 1083, No. 1, 012033, 10.09.2018.

Research output: Contribution to journalConference article

Nur-Akasyah, J. ; Muhammad Aizat, K. ; Mohd Suib, Nurul Raihan ; Abd. Shukor, Roslan. / Electrical Properties of Li Substituted (Tl0.85Cr0.15)Sr2-xLixCaCu2O7 Superconductor. In: Journal of Physics: Conference Series. 2018 ; Vol. 1083, No. 1.
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N2 - The effects of Li substitution for Sr in (Tl0.85Cr0.15)Sr2-xLixCaCu2O7 (Tl-1212) with x = 0 - 0.10 were investigated. Tl-1212 superconductor pellets were prepared via solid-state reaction and precursor method. The samples were characterized by x-ray diffraction and four-point probe methods. The XRD patterns showed that all samples formed mixed phases of Tl-1212 and Ca0.3Sr0.7CuO2 (CSCO). The temperature-dependent resistance measurements showed metallic-behavior for all samples with onset transition temperature, Tc onset between 96 K and 105 K and zero resistance temperature, Tc zero between 85 K and 94 K. The transition-width, ΔTc of all samples was in the range of 4 K to 11 K. The x = 0.02 and 0.07 sample showed increase in Tc onset to 105 K and 102 K, respectively. This work showed that Li improved the transition temperature for x = 0.02 and 0.07 samples although the dominant phase was not Tl-1212.

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