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Near room-temperature magnetocaloric effect in FeMnPBC metallic glasses with tunable Curie temperature

  • Huiyan Zhang
  • , Ran Li*
  • , Tao Xu
  • , Fanmao Liu
  • , Tao Zhang
  • *Corresponding author for this work
  • Beihang University

Research output: Contribution to journalArticlepeer-review

Abstract

The magnetic and magnetocaloric properties were investigated in Fe 80-xMnxP10B7C3 (x=13, 14, 15, 16, 18) metallic glasses. Tunable Curie temperature and magnetic entropy change are executed by controlling the content of Mn. The average magnetic moment per (Fe+Mn) atom correlates with the magnetic entropy change â̂†SM linearly, which can interpret the decreasing of â̂†SM with increasing Mn. Fe65Mn 15P10B7C3 alloy exhibits the highest refrigeration capacity of 147.09 J kg-1 and moderate peak magnetic entropy of 1.12 J kg-1 K-1 under maximum applied field of 2 T. This family of low-cost Fe-based alloys provides a candidate used as near room-temperature magnetic refrigerant.

Original languageEnglish
Pages (from-to)131-135
Number of pages5
JournalJournal of Magnetism and Magnetic Materials
Volume347
DOIs
StatePublished - 2013

Keywords

  • Fe-based amorphous alloy
  • Magnetic property
  • Magnetocaloric effect
  • Near room temperature

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