Tuning exchange bias through zero field cooling from different remanent states above blocking temperature in Ni 50Mn 36Sb 14 alloy

R. L. Wang, L. S. Xu, Z. G. Sun, V. V. Marchenkov, H. B. Xiao, L. F. Xu, J. C.A. Huang, C. P. Yang

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

Changing remanent states above blocking temperature (T B) in Ni 50Mn 36Sb 14 alloy has been proven to be an effective way of tuning the value and sign of exchange bias (EB) field. The hysteresis loops at 5 K exhibit double shifted shape, indicating that there are two opposite EB signs resulting from an imprint of domain pattern of ferromagnetic (FM) regions into anti-ferromagetic (AFM) ones during cooling. All the results demonstrate that the interfacial spin configuration plays a crucial role on the origin of EB, while the high cooling field not only induces a single FM domain state above T B but also tunes the fractions of FM and AFM interactions through martensitic transition.

Original languageEnglish
Pages (from-to)448-450
Number of pages3
JournalPhysica Status Solidi - Rapid Research Letters
Volume6
Issue number11
DOIs
Publication statusPublished - 2012 Nov

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics

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