Superconducting properties of (Tl1-x Pb x Sr2CaCu2O7-δ (x = 0.1 - 0.7) prepared using nano-sized PbO

Hanan Saleh Elmasroub, Roslan Abd. Shukor

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

The effect of Pb substitution on Tl-1212 high Tc superconductor with nominal starting composition (Tl1-xPbx)Sr2CaCu2O7-δ (x = 0.1 - 0.7) has been investigated. Nano-sized PbO (10-30 nm) was used as a starting component. The samples were synthesized using the solid-state reaction technique and studied by powder X-ray diffraction method, electrical resistance measurements and scanning electron microscopy. The resistance-temperature curves showed metallic behavior for all samples. Samples with x = 0.6 showed the highest Tc onset (89 K) and Tc zero (78 K). This sample also showed the highest peak temperature for the derivative of the resistivity (ρ) versus temperature (T) curve, dρ/dT = 85 K. The X-ray diffraction patterns showed a major Tl-1212 phase with few weak diffraction lines of the Tl-1201. The deviation of electrical resistivity from linear behavior near the transition temperature was explained in terms of excess conductivity associated with Cooper pair formation. This work showed that nano-sized PbO could be used to enhance the formation of the superconducting Tl-1212 phase.

Original languageEnglish
Title of host publication1st UKM-ISESCO-COMSATS International Workshop on Nanotechnology for Young Scientists, IWYS 2016
PublisherAmerican Institute of Physics Inc.
Volume1838
ISBN (Electronic)9780735415089
DOIs
Publication statusPublished - 5 May 2017
Event1st UKM-ISESCO-COMSATS International Workshop on Nanotechnology for Young Scientists, IWYS 2016 - Selangor, Malaysia
Duration: 28 Nov 201630 Nov 2016

Other

Other1st UKM-ISESCO-COMSATS International Workshop on Nanotechnology for Young Scientists, IWYS 2016
CountryMalaysia
CitySelangor
Period28/11/1630/11/16

Fingerprint

electrical resistivity
curves
electrical resistance
diffraction
temperature
x rays
diffraction patterns
transition temperature
substitutes
solid state
deviation
conductivity
scanning electron microscopy

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Elmasroub, H. S., & Abd. Shukor, R. (2017). Superconducting properties of (Tl1-x Pb x Sr2CaCu2O7-δ (x = 0.1 - 0.7) prepared using nano-sized PbO. In 1st UKM-ISESCO-COMSATS International Workshop on Nanotechnology for Young Scientists, IWYS 2016 (Vol. 1838). [020014] American Institute of Physics Inc.. https://doi.org/10.1063/1.4982186

Superconducting properties of (Tl1-x Pb x Sr2CaCu2O7-δ (x = 0.1 - 0.7) prepared using nano-sized PbO. / Elmasroub, Hanan Saleh; Abd. Shukor, Roslan.

1st UKM-ISESCO-COMSATS International Workshop on Nanotechnology for Young Scientists, IWYS 2016. Vol. 1838 American Institute of Physics Inc., 2017. 020014.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Elmasroub, HS & Abd. Shukor, R 2017, Superconducting properties of (Tl1-x Pb x Sr2CaCu2O7-δ (x = 0.1 - 0.7) prepared using nano-sized PbO. in 1st UKM-ISESCO-COMSATS International Workshop on Nanotechnology for Young Scientists, IWYS 2016. vol. 1838, 020014, American Institute of Physics Inc., 1st UKM-ISESCO-COMSATS International Workshop on Nanotechnology for Young Scientists, IWYS 2016, Selangor, Malaysia, 28/11/16. https://doi.org/10.1063/1.4982186
Elmasroub HS, Abd. Shukor R. Superconducting properties of (Tl1-x Pb x Sr2CaCu2O7-δ (x = 0.1 - 0.7) prepared using nano-sized PbO. In 1st UKM-ISESCO-COMSATS International Workshop on Nanotechnology for Young Scientists, IWYS 2016. Vol. 1838. American Institute of Physics Inc. 2017. 020014 https://doi.org/10.1063/1.4982186
Elmasroub, Hanan Saleh ; Abd. Shukor, Roslan. / Superconducting properties of (Tl1-x Pb x Sr2CaCu2O7-δ (x = 0.1 - 0.7) prepared using nano-sized PbO. 1st UKM-ISESCO-COMSATS International Workshop on Nanotechnology for Young Scientists, IWYS 2016. Vol. 1838 American Institute of Physics Inc., 2017.
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N2 - The effect of Pb substitution on Tl-1212 high Tc superconductor with nominal starting composition (Tl1-xPbx)Sr2CaCu2O7-δ (x = 0.1 - 0.7) has been investigated. Nano-sized PbO (10-30 nm) was used as a starting component. The samples were synthesized using the solid-state reaction technique and studied by powder X-ray diffraction method, electrical resistance measurements and scanning electron microscopy. The resistance-temperature curves showed metallic behavior for all samples. Samples with x = 0.6 showed the highest Tc onset (89 K) and Tc zero (78 K). This sample also showed the highest peak temperature for the derivative of the resistivity (ρ) versus temperature (T) curve, dρ/dT = 85 K. The X-ray diffraction patterns showed a major Tl-1212 phase with few weak diffraction lines of the Tl-1201. The deviation of electrical resistivity from linear behavior near the transition temperature was explained in terms of excess conductivity associated with Cooper pair formation. This work showed that nano-sized PbO could be used to enhance the formation of the superconducting Tl-1212 phase.

AB - The effect of Pb substitution on Tl-1212 high Tc superconductor with nominal starting composition (Tl1-xPbx)Sr2CaCu2O7-δ (x = 0.1 - 0.7) has been investigated. Nano-sized PbO (10-30 nm) was used as a starting component. The samples were synthesized using the solid-state reaction technique and studied by powder X-ray diffraction method, electrical resistance measurements and scanning electron microscopy. The resistance-temperature curves showed metallic behavior for all samples. Samples with x = 0.6 showed the highest Tc onset (89 K) and Tc zero (78 K). This sample also showed the highest peak temperature for the derivative of the resistivity (ρ) versus temperature (T) curve, dρ/dT = 85 K. The X-ray diffraction patterns showed a major Tl-1212 phase with few weak diffraction lines of the Tl-1201. The deviation of electrical resistivity from linear behavior near the transition temperature was explained in terms of excess conductivity associated with Cooper pair formation. This work showed that nano-sized PbO could be used to enhance the formation of the superconducting Tl-1212 phase.

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