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

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

doi:10.1143/JPSJ.55.2357

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

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

Collaborative Research Center on Energy Materials

Research output: Contribution to journal › Article › peer-review

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 language	English
Pages (from-to)	2357-2363
Number of pages	7
Journal	journal of the physical society of japan
Volume	55
Issue number	7
DOIs	https://doi.org/10.1143/JPSJ.55.2357
Publication status	Published - 1986 Jul

ASJC Scopus subject areas

Physics and Astronomy(all)

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title = "Interface Magnetism in Fe/Mn Artificial Metallic Superlattice Investigated by 55Mn NMR",

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 {\AA}) 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.",

author = "Kōki Takanashi and Hiroshi Yasuoka and Noriaki Nakayama and Tsutomu Katamoto and Teruya Shinjo",

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T1 - Interface Magnetism in Fe/Mn Artificial Metallic Superlattice Investigated by 55Mn NMR

AU - Takanashi, Kōki

AU - Yasuoka, Hiroshi

AU - Nakayama, Noriaki

AU - Katamoto, Tsutomu

AU - Shinjo, Teruya

PY - 1986/7

Y1 - 1986/7

N2 - 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.

AB - 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.

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

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