Effect of Different Nano-sized MgO Addition on YBa 2 Cu 3 O 7-δ Superconductor

A. Abdulhayi, A. V. Gholap, Roslan Abd. Shukor

Research output: Contribution to journalArticle

Abstract

The effect of nanoparticle with different size on a superconductor is interesting because the size of the coherence length, penetration depth, and the magnetic flux in a superconductor is in the nanometer range. In this paper, we report the effects of different nano-sized MgO (20, 40, and 100 nm) addition on YBa 2 Cu 3 O 7-δ (MgO) x for x = 0, 0.1, and 0.2 wt.%. X-ray diffraction patterns indicated a single YBa 2 Cu 3 O 7 (YBCO) phase where the peaks were shifted to larger angles in the 20- and 40-nm MgO-added samples indicating induced stress of first order in the structure. The electrical resistance versus temperature was measured using the four-probe method. The transition temperature, T c , for the pure YBCO showed T c = 90 K and was suppressed to 78–80 K for the 20- and 40-nm MgO-added samples. AC susceptibility (χ = χ′ + iχ″) measurements showed a shift in the peak temperature, T p , of the imaginary susceptibility χ″ towards lower temperatures for 20-nm MgO-added samples but increased with larger MgO (100 nm). This work showed that smaller nano-sized MgO suppressed the superconducting properties of YBCO more compared with the larger MgO.

Original languageEnglish
JournalJournal of Superconductivity and Novel Magnetism
DOIs
Publication statusPublished - 1 Jan 2019

Fingerprint

Superconducting materials
magnetic permeability
Acoustic impedance
Magnetic flux
electrical resistance
Temperature
Diffraction patterns
Superconducting transition temperature
magnetic flux
alternating current
diffraction patterns
penetration
transition temperature
Nanoparticles
X ray diffraction
nanoparticles
temperature
shift
barium copper yttrium oxide
x rays

Keywords

  • AC susceptibility
  • Critical current density
  • Nano-sized metal oxide
  • Transition temperature

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

Cite this

Effect of Different Nano-sized MgO Addition on YBa 2 Cu 3 O 7-δ Superconductor . / Abdulhayi, A.; Gholap, A. V.; Abd. Shukor, Roslan.

In: Journal of Superconductivity and Novel Magnetism, 01.01.2019.

Research output: Contribution to journalArticle

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