MFM domain imaging of textured Ni-Mn-Ga/MgO(100) thin films

Volodymyr A. Chernenko, Ricardo Lopez Anton, Jose M. Barandiaran, Iñaki Orue, Stefano Besseghini, Makoto Ohtsuka, Andrea Gambardella

Research output: Contribution to journalArticlepeer-review

16 Citations (Scopus)

Abstract

Magnetic, micromagnetic, and texture properties of the martensitic thin films prepared by magnetron sputtering of Ni49.5 Mn 28Ga22.5 target on MgO(100) wafer are studied as a function of film thickness. The films exhibit 220-fiber texture. Moreover, in contrast to thick films, a considerable in-plane texture component is giving rise to the pronounced in-plane magnetic anisotropy found in the thin film. The texture features together with a large magnetocrystalline anisotropy lead to the particular domain structure and different magnetic anisotropy components of films depending on the film thickness and substrate nature.

Original languageEnglish
Pages (from-to)3040-3043
Number of pages4
JournalIEEE Transactions on Magnetics
Volume44
Issue number11 PART 2
DOIs
Publication statusPublished - 2008 Nov

Keywords

  • In-plane magnetic anisotropy
  • Magnetic force microscopy
  • Magnetization loop
  • Ni-mn-ga textured film

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

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