Uncompensated spin elements in ferromagnetic and antiferromagnetic bilayer with non-collinear spin structure

Chiharu Mitsumata; Akimasa Sakuma; Kazuaki Fukamichi; Masakiyo Tsunoda

doi:10.2320/matertrans.47.11

Uncompensated spin elements in ferromagnetic and antiferromagnetic bilayer with non-collinear spin structure

Chiharu Mitsumata, Akimasa Sakuma, Kazuaki Fukamichi, Masakiyo Tsunoda

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

3 Citations (Scopus)

Abstract

The exchange bias in a ferromagnetic (FM) and antiferromagnetic (AFM) bilayer with a γ-phase disordered structure has been investigated within a framework of Heisenberg model. The magnetic atoms in the AFM layer realize the triple Q structure due to geometrical spin frustrations. This non-collinear spin structure can bring about an exchange bias in the FM/AFM bilayer system. Under the influence of the exchange bias, the uncompensated spin element appears in the AFM layer, accompanied by a shifted loop in magnetization curves, in accord with the measured loop by X-ray magnetic circular dichroism spectroscopy for an AFM layer.

Original language	English
Pages (from-to)	11-14
Number of pages	4
Journal	Materials Transactions
Volume	47
Issue number	1
DOIs	https://doi.org/10.2320/matertrans.47.11
Publication status	Published - 2006 Jan

Keywords

Antiferromagnetic
Exchange bias
Exchange coupling
Heisenberg model
Non-collinear spin
Spin frustration
Spin structure

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

Access to Document

10.2320/matertrans.47.11

Cite this

@article{6bdcea4311434056b385f5e01d63eaba,

title = "Uncompensated spin elements in ferromagnetic and antiferromagnetic bilayer with non-collinear spin structure",

abstract = "The exchange bias in a ferromagnetic (FM) and antiferromagnetic (AFM) bilayer with a γ-phase disordered structure has been investigated within a framework of Heisenberg model. The magnetic atoms in the AFM layer realize the triple Q structure due to geometrical spin frustrations. This non-collinear spin structure can bring about an exchange bias in the FM/AFM bilayer system. Under the influence of the exchange bias, the uncompensated spin element appears in the AFM layer, accompanied by a shifted loop in magnetization curves, in accord with the measured loop by X-ray magnetic circular dichroism spectroscopy for an AFM layer.",

keywords = "Antiferromagnetic, Exchange bias, Exchange coupling, Heisenberg model, Non-collinear spin, Spin frustration, Spin structure",

author = "Chiharu Mitsumata and Akimasa Sakuma and Kazuaki Fukamichi and Masakiyo Tsunoda",

year = "2006",

month = jan,

doi = "10.2320/matertrans.47.11",

language = "English",

volume = "47",

pages = "11--14",

journal = "Materials Transactions",

issn = "1345-9678",

publisher = "Japan Institute of Metals (JIM)",

number = "1",

}

TY - JOUR

T1 - Uncompensated spin elements in ferromagnetic and antiferromagnetic bilayer with non-collinear spin structure

AU - Mitsumata, Chiharu

AU - Sakuma, Akimasa

AU - Fukamichi, Kazuaki

AU - Tsunoda, Masakiyo

PY - 2006/1

Y1 - 2006/1

N2 - The exchange bias in a ferromagnetic (FM) and antiferromagnetic (AFM) bilayer with a γ-phase disordered structure has been investigated within a framework of Heisenberg model. The magnetic atoms in the AFM layer realize the triple Q structure due to geometrical spin frustrations. This non-collinear spin structure can bring about an exchange bias in the FM/AFM bilayer system. Under the influence of the exchange bias, the uncompensated spin element appears in the AFM layer, accompanied by a shifted loop in magnetization curves, in accord with the measured loop by X-ray magnetic circular dichroism spectroscopy for an AFM layer.

AB - The exchange bias in a ferromagnetic (FM) and antiferromagnetic (AFM) bilayer with a γ-phase disordered structure has been investigated within a framework of Heisenberg model. The magnetic atoms in the AFM layer realize the triple Q structure due to geometrical spin frustrations. This non-collinear spin structure can bring about an exchange bias in the FM/AFM bilayer system. Under the influence of the exchange bias, the uncompensated spin element appears in the AFM layer, accompanied by a shifted loop in magnetization curves, in accord with the measured loop by X-ray magnetic circular dichroism spectroscopy for an AFM layer.

KW - Antiferromagnetic

KW - Exchange bias

KW - Exchange coupling

KW - Heisenberg model

KW - Non-collinear spin

KW - Spin frustration

KW - Spin structure

UR - http://www.scopus.com/inward/record.url?scp=33644790672&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=33644790672&partnerID=8YFLogxK

U2 - 10.2320/matertrans.47.11

DO - 10.2320/matertrans.47.11

M3 - Article

AN - SCOPUS:33644790672

SN - 1345-9678

VL - 47

SP - 11

EP - 14

JO - Materials Transactions

JF - Materials Transactions

IS - 1

ER -

Uncompensated spin elements in ferromagnetic and antiferromagnetic bilayer with non-collinear spin structure

Abstract

Keywords

ASJC Scopus subject areas

Access to Document

Other files and links

Fingerprint

Cite this