Effect of Ferrimagnetic Cr2S3 on AC Susceptibility and Superconducting Properties of YBa2Cu3O7−δ

A. C.A. Nur-Syazwani, Roslan Abd. Shukor

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Superconductivity and magnetism are mutually exclusive phenomena. This work was carried out to investigate the effect of ferrimagnetic Cr2S3 addition on YBa2Cu3O7−δ superconductor. The solid-state reaction method was used to prepare YBa2Cu3O7−δ (Cr2S3)x (x = 0 to 0.3 wt%). The samples were characterized by using the four-probe method to measure the electrical resistivity and AC susceptibility to measure the critical temperature, T and critical current density at the peak temperature Tp of the complex susceptibility, Jc(Tp). The x-ray diffraction (XRD) method was used to determine the phase and structure of the sample. Field emission electron microscopy (FESEM) was used to determine the microstructure. The x = 0.05 sample showed the highest onset transition temperature, Tc−onset (93 K), zero-resistance temperature, Tc−zero (89 K), T (93 K) and Tp (86 K). Addition of Cr2S3 did not affect the orthorhombic structure. However, the addition of Cr2S3 for x ≥ 0.10 showed some impurity peaks in the XRD patterns. The grain size decreased with Cr2S3 addition. Cr2S3 improved the intergrain coupling and flux pinning as indicated by the increase in Jc(Tp) and Tp. These results are compared with other magnetic and non-magnetic materials addition to YBa2Cu3O7−δ.

Original languageEnglish
Pages (from-to)1-6
Number of pages6
JournalJournal of Superconductivity and Novel Magnetism
DOIs
Publication statusAccepted/In press - 14 Jul 2018

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alternating current
magnetic permeability
Flux pinning
X rays
Magnetism
Superconductivity
Solid state reactions
x ray diffraction
Field emission
Temperature
Diffraction patterns
Electron microscopy
Superconducting materials
Superconducting transition temperature
Diffraction
Impurities
flux pinning
Microstructure
magnetic materials
field emission

Keywords

  • Critical current density
  • Electrical properties
  • Ferromagnetic
  • Microstructure
  • X-ray diffraction

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

Cite this

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abstract = "Superconductivity and magnetism are mutually exclusive phenomena. This work was carried out to investigate the effect of ferrimagnetic Cr2S3 addition on YBa2Cu3O7−δ superconductor. The solid-state reaction method was used to prepare YBa2Cu3O7−δ (Cr2S3)x (x = 0 to 0.3 wt{\%}). The samples were characterized by using the four-probe method to measure the electrical resistivity and AC susceptibility to measure the critical temperature, Tcχ and critical current density at the peak temperature Tp of the complex susceptibility, Jc(Tp). The x-ray diffraction (XRD) method was used to determine the phase and structure of the sample. Field emission electron microscopy (FESEM) was used to determine the microstructure. The x = 0.05 sample showed the highest onset transition temperature, Tc−onset (93 K), zero-resistance temperature, Tc−zero (89 K), Tcχ (93 K) and Tp (86 K). Addition of Cr2S3 did not affect the orthorhombic structure. However, the addition of Cr2S3 for x ≥ 0.10 showed some impurity peaks in the XRD patterns. The grain size decreased with Cr2S3 addition. Cr2S3 improved the intergrain coupling and flux pinning as indicated by the increase in Jc(Tp) and Tp. These results are compared with other magnetic and non-magnetic materials addition to YBa2Cu3O7−δ.",
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N2 - Superconductivity and magnetism are mutually exclusive phenomena. This work was carried out to investigate the effect of ferrimagnetic Cr2S3 addition on YBa2Cu3O7−δ superconductor. The solid-state reaction method was used to prepare YBa2Cu3O7−δ (Cr2S3)x (x = 0 to 0.3 wt%). The samples were characterized by using the four-probe method to measure the electrical resistivity and AC susceptibility to measure the critical temperature, Tcχ and critical current density at the peak temperature Tp of the complex susceptibility, Jc(Tp). The x-ray diffraction (XRD) method was used to determine the phase and structure of the sample. Field emission electron microscopy (FESEM) was used to determine the microstructure. The x = 0.05 sample showed the highest onset transition temperature, Tc−onset (93 K), zero-resistance temperature, Tc−zero (89 K), Tcχ (93 K) and Tp (86 K). Addition of Cr2S3 did not affect the orthorhombic structure. However, the addition of Cr2S3 for x ≥ 0.10 showed some impurity peaks in the XRD patterns. The grain size decreased with Cr2S3 addition. Cr2S3 improved the intergrain coupling and flux pinning as indicated by the increase in Jc(Tp) and Tp. These results are compared with other magnetic and non-magnetic materials addition to YBa2Cu3O7−δ.

AB - Superconductivity and magnetism are mutually exclusive phenomena. This work was carried out to investigate the effect of ferrimagnetic Cr2S3 addition on YBa2Cu3O7−δ superconductor. The solid-state reaction method was used to prepare YBa2Cu3O7−δ (Cr2S3)x (x = 0 to 0.3 wt%). The samples were characterized by using the four-probe method to measure the electrical resistivity and AC susceptibility to measure the critical temperature, Tcχ and critical current density at the peak temperature Tp of the complex susceptibility, Jc(Tp). The x-ray diffraction (XRD) method was used to determine the phase and structure of the sample. Field emission electron microscopy (FESEM) was used to determine the microstructure. The x = 0.05 sample showed the highest onset transition temperature, Tc−onset (93 K), zero-resistance temperature, Tc−zero (89 K), Tcχ (93 K) and Tp (86 K). Addition of Cr2S3 did not affect the orthorhombic structure. However, the addition of Cr2S3 for x ≥ 0.10 showed some impurity peaks in the XRD patterns. The grain size decreased with Cr2S3 addition. Cr2S3 improved the intergrain coupling and flux pinning as indicated by the increase in Jc(Tp) and Tp. These results are compared with other magnetic and non-magnetic materials addition to YBa2Cu3O7−δ.

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