Enhancements of magnetocaloric effects in La(Fe0.90Si 0.10)13 and its hydride by partial substitution of Ce for La

Shun Fujieda, Asaya Fujita, Kazuaki Fukamichi

Research output: Contribution to journalArticlepeer-review

39 Citations (Scopus)

Abstract

Magnetocaloric effects due to the itinerant-electron metamagnetic transition for La(Fe0.90Si0.10)13 compounds promising as refrigerants are enhanced by a partial substitution of Ce for La. The values of the isothermal magnetic entropy change ΔSm and the adiabatic temperature change ΔTud for La 1-zCez(Fe0.90Si0.10]13 compound with z = 0.1 are -32 J/kgK and 12.8K, respectively, just above the Curie temperature in the magnetic field change from 0 to 4T. Such large magnetocaloric effects can also be obtained in the vicinity of room temperature by hydrogen absorption. Annealing at 1373 K for 20 days makes it possible to substitute up to z = 0.2.

Original languageEnglish
Pages (from-to)3228-3231
Number of pages4
JournalMaterials Transactions
Volume45
Issue number11
DOIs
Publication statusPublished - 2004 Nov

Keywords

  • Hydride
  • Itinerant-electron metamagnetic transition
  • Magnetic refrigerant
  • Magnetic refrigeration

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

Fingerprint

Dive into the research topics of 'Enhancements of magnetocaloric effects in La(Fe<sub>0.90</sub>Si <sub>0.10</sub>)<sub>13</sub> and its hydride by partial substitution of Ce for La'. Together they form a unique fingerprint.

Cite this