Interface Magnetism in Fe/Mn Artificial Metallic Superlattice Investigated by 55Mn NMR

Kōki Takanashi, Hiroshi Yasuoka, Noriaki Nakayama, Tsutomu Katamoto, Teruya Shinjo

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

A 55Mn NMR investigation has been made on the interface magnetism in Fe/Mn artificial metallic superlattice (AMS). The signal associated with the ferromagnetically ordered Mn sites was observed in a wide frequency range. The chemical composition profile was extracted from the distribution of 55Mn internal fields, and it is suggested that the compositional mixing occurs over a wide range (at least 15 Å) near the interface in Fe/Mn AMS. From this, the interface alloy region was found to be ferromagnetic even in the Mn dense region, which cannot be expected for FeMn alloys in the thermal equilibrium. Thus it is concluded that a new-type alloy is created near the interface in the Fe/Mn AMS by making multilayers.

Original languageEnglish
Pages (from-to)2357-2363
Number of pages7
Journaljournal of the physical society of japan
Volume55
Issue number7
DOIs
Publication statusPublished - 1986 Jul

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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