Fe-Co-Ni-Cu high entropy magnetic nanoparticles with high magnetothermal properties

Mengyun Jia, Dingliang Liang, Qing Du, Hui Wang, Yuan Wu, Suihe Jiang, Xiaobin Zhang, Haihui Ruan, Xiongjun Liu, Zhaoping Lu

Research output: Journal article publicationJournal articleAcademic researchpeer-review

2 Citations (Scopus)

Abstract

Magnetothermal therapy (MT) is a noninvasive cancer treatment that has shown great promise in recent years. However, the low magnetothermal efficiency of the existing magnetic nanoparticles used in MT has been an obstacle to their widespread applications. In this work, we report a new class of Fe-Co-Ni-Cu high-entropy magnetic nanoparticles (HEMNPs) with exceptional magnetothermal properties synthesized by a thermal decomposition method. The fabricated HEMNPs, having an average diameter of 60–70 nm, exhibited a saturation magnetization of 42.4 emu/g and coercivity of 129.5 Oe. The hyperthermia measurement reveals that the HEMNPs have a maximum specific loss power of 202 W/g at the concentration of 2 mg/ml under an alternating magnetic field with an intensity of 46 Oe and a frequency of 266 kHz, demonstrating the great potential for MT applications. Our results demonstrate that the high-entropy concept can be extended to develop high-performance magnetic nanoparticles for MT applications.

Original languageEnglish
Article number116119
JournalScripta Materialia
Volume247
DOIs
Publication statusPublished - 1 Jul 2024

Keywords

  • High-entropy magnetic nanoparticles
  • Magnetic hyperthermia
  • Magnetothermal properties
  • Specific loss power

ASJC Scopus subject areas

  • General Materials Science
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys

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