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<p>This study investigates the magnetic properties of a ferrimagnetic triangular core-shell nanowire composed of mixed spins (1, 3/2), where the core and shell exhibit spin-1 and spin-3/2 configurations, respectively. The system is modeled using the Blume-Capel Hamiltonian and solved within the framework of the Mean-Field Approximation. Our numerical investigation focuses on the effects of single-ion anisotropy on magnetization profiles, hysteresis behaviors, and compensation phenomena. The results reveal the presence of first-order phase transitions in the absence of an external magnetic field, along with the occurrence of compensation temperatures for various crystal field values. Notably, the system exhibits multiple types of compensation behavior, including P-, Q-, R-, and N-type. It demonstrates multi-hysteresis loop structures that are strongly influenced by temperature and single-ion anisotropy.</p>

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Effects of the single-ion anisotropy on magnetic and thermodynamic properties of a ferrimagnetic mixed spin-(1, 3/2) triangular core-shell nanowire

  • 期刊论文

  • 发表日期：

    2025年9月8日

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  • Ali Ismael Al-brihy,
  • Anouar Elidrysy,
  • Mounirou Karimou

摘要

This study investigates the magnetic properties of a ferrimagnetic triangular core-shell nanowire composed of mixed spins (1, 3/2), where the core and shell exhibit spin-1 and spin-3/2 configurations, respectively. The system is modeled using the Blume-Capel Hamiltonian and solved within the framework of the Mean-Field Approximation. Our numerical investigation focuses on the effects of single-ion anisotropy on magnetization profiles, hysteresis behaviors, and compensation phenomena. The results reveal the presence of first-order phase transitions in the absence of an external magnetic field, along with the occurrence of compensation temperatures for various crystal field values. Notably, the system exhibits multiple types of compensation behavior, including P-, Q-, R-, and N-type. It demonstrates multi-hysteresis loop structures that are strongly influenced by temperature and single-ion anisotropy.