Magnetic Tunnel Junctions with a Nearly Zero Moment Manganese Nanolayer with Perpendicular Magnetic Anisotropy

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5 Citations (Scopus)

Abstract

A magnetic nanolayer with a perpendicular magnetic easy axis and negligible magnetization is demonstrated. Even though a manganese metal is antiferromagnetic in bulk form, a few manganese monolayers grown on a paramagnetic ordered alloy template and capped by an oxide layer exhibit a strong perpendicular magnetic anisotropy field exceeding 19 T as well as a negligible magnetization of 25 kA/m. The nanolayer shows tunnel magnetoresistance. Moreover, the perpendicular magnetic anisotropy for the nanolayer can be reduced by applying an electric voltage. These findings will provide new insight into a creation of new nanolayer magnets.

Original languageEnglish
Pages (from-to)43305-43310
Number of pages6
JournalACS Applied Materials and Interfaces
Volume10
Issue number50
DOIs
Publication statusPublished - 2018 Dec 19

Keywords

  • ferrimagnets
  • magnetic tunnel junction
  • perpendicular anisotropy
  • tunnel magnetoresistance
  • voltage control

ASJC Scopus subject areas

  • Materials Science(all)

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