Structural and magnetic transition temperatures of full Heusler Ni-Mn-Sn alloys determined by Van der Pauw method

Tomoya Takenaga, Kei Hayashi, Tsuyoshi Kajitani

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

We have measured the electrical resistivity of full Heusler Ni2Mn2-xSnx (0.52 ≤ × ≤ 0.6) by a Van der Pauw method to determine a first-order structural transition temperature, MS, and a second-order magnetic transition temperature, TC, MS and TC are respectively decreasing and increasing linearly with the increasing Sn content x. Although the MS and TC become closer, two phase transitions, i.e., the magnetic and martensitic phase transitions, do not undergo simultaneously in the range bf 0.52 ≤ × ≤ 0.6.

Original languageEnglish
Pages (from-to)1328-1329
Number of pages2
JournalJOURNAL of CHEMICAL ENGINEERING of JAPAN
Volume40
Issue number13
DOIs
Publication statusPublished - 2007 Dec 27

Keywords

  • Electrical resistivity
  • Full Heusler
  • Magnetic cooling
  • Magnetocaloric effect
  • Ni-Mn-Sn alloys
  • Van der Pauw method

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)

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