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2026 Vol.36, Issue 3

Research Paper

Effect of Laser Radiation on the Structural, Electrical and Thermal Properties of the Bi1.9Sb0.1Ba1.9Y0.1Ca2Cu3O10+δ Superconducting Compound
Laheeb Ahmed Mohammed1
,
Kareem Ali Jasim1†
,
Nabaa Safaa Hamzah1
,
Alaa Kadhim Shwyyea2
1Department of Physics, College of Education for Pure Science (Ibn Al-Haitham), University of Baghdad, Baghdad 10001, Iraq
2Department of Physics, College of Science, University of Baghdad, Baghdad 10001, Iraq
†Corresponding author E-Mail : Kareem.a.j@ihcoedu.uobaghdad.edu.iq (K. A. Jasim, Univ. Baghdad)
27 March 2026. pp. 77-84
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Abstract

Laser can be used to precisely and locally modify the properties of superconductors. Their crystal structure and charge distribution can be altered by applying focused energy, thus affecting their microstructure and electrical properties. This technique enables the design and development of new materials with enhanced performance for various applications. This paper focuses on the effect of laser irradiation on the thermal, structural, and electrical properties of the Bi1.9Sb0.1Ba1.9Y0.1Ca2Cu3O10+δ superconducting compound. Samples were exposed to heat for 48 h at 900 °C at a heating rate of 10 °C/min. X-ray diffraction (XRD) studies were performed and the diffraction results showed that all samples had a regular orthorhombic crystalline structure and that the lattice constants (a, b, c) changed with irradiation compared to the unirradiated sample. A significant increase in the c/a axis, lattice size high-temperature phase (HTP) was also observed after irradiation. The content of the high-temperature phase increased to 81.47 %. The topographical nature of the samples was examined using scanning electron microscopy (SEM), and a change in the formation of nanosized grains was found in the samples. Using an energy-dispersive X-ray spectroscopy (EDX) device, elemental analysis was performed to detect the presence of different elements and determine their proportions in each sample. The critical temperature was also determined. The results showed that when the sample was exposed to radiation, the highest critical temperature was 114 K.

Keywords
superconducting
laser irradiation
electrical
thermal and structural properties
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Information
  • Publisher :Materials Research Society of Korea
  • Publisher(Ko) :한국재료학회
  • Journal Title :Korean Journal of Materials Research
  • Journal Title(Ko) :한국재료학회지
  • Volume : 36
  • No :3
  • Pages :77-84
  • Received Date : 2025-10-29
  • Revised Date : 2026-01-02
  • Accepted Date : 2026-02-06
  • DOI :https://doi.org/10.3740/MRSK.2026.36.3.77
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