Determination of fine magnetic structure of magnetic multilayer with quasi antiferromagnetic layer by using polarized neutron reflectivity analysis

Yongshi Zhong, Yuichiro Kurokawa, Gen Nagashima, Shu Horiike, Takayasu Hanashima, Daniel Schönke, Pascal Krautscheid, Robert M. Reeve, Mathias Kläui, Hiromi Yuasa

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

We carried out polarized neutron reflectivity (PNR) analysis to determine the fine magnetic structure of magnetic multilayers with quasi-antiferromagnetic (quasi-AFM) layers realized by 90-deg coupling using two Co90Fe10 layers, and quantitatively evaluated the magnetization of quasi-AFM layers. Two types of samples with different buffer layers, Ru buffer and a NiFeCr buffer, were investigated and the average angles between the respective magnetization of the two Co90Fe10 layers were estimated to be +/- 39 degrees and +/- 53 degrees. In addition, less roughness was found in the NiFeCr buffer sample resulting stronger 90-deg coupling. A perfect quasi-AFM is expected to be realized by a flat interface of the magnetic multilayer.

Original languageEnglish
Article number015323
JournalAIP Advances
Volume10
Issue number1
DOIs
Publication statusPublished - Jan 1 2020

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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