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ScanningVolume 2018, 2018, Article number 8308460

Magnetic Domain Patterns in Bilayered Ribbons Studied by Magnetic Force Microscopy and Magneto-Optical Kerr Microscopy(Article)(Open Access)

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  • aDepartment of Physics, VŠB-Technical University of Ostrava, 17 Listopadu 15/2172, Poruba, Ostrava, 708 33, Czech Republic
  • bBoris Yeltsin Ural Federal University, Ekaterinburg, 620002, Russian Federation
  • cVarroc Lighting Systems, S.r.o., Suvorovova 195, Šenovu Nového Jičína, 742 42, Czech Republic
  • dIT4Innovations Centre of Excellence, VŠB-Technical University of Ostrava, 17 Listopadu 15/2172, Poruba, Ostrava, 708 33, Czech Republic
  • eNanotechnology Centre, VŠB-Technical University of Ostrava, 17 Listopadu 15/2172, Poruba, Ostrava, 708 33, Czech Republic

Abstract

The magnetic domain patterns of amorphous bilayered FeSiB/FeNbSiB and FeNbCuSiB/CoSiB ribbons are observed and analysed using the magneto-optical Kerr microscopy (MOKM) and magnetic force microscopy (MFM). Both microscopic techniques are highly sensitive to the sample surface; possibility of Kerr microscopy to visualize the domains separately in both layers is achieved by focusing the laser spot on the ribbon cross section. Wide curved domains as well as fine fingerprint domains were detected at the surface of ribbons due to presence of local stresses coming from the preparation process. With respect to high lateral resolution of MFM and its out-of-plane magnetization sensitivity, the perpendicularly magnetized crossed stripe domain patterns can be selected as well. Coiling of the ribbons on the half-round-end sample holder is often used to induce and control the magnetic anisotropy of these alloys. Changes in the magnetic domain structure at the outer-coiled surface and its dependence on the sign of magnetostriction coefficient are discussed in detail. Finally, the MFM images in the presence of external in-plane magnetic field up to ±40 kA/m are shown. © 2018 Jana Trojková et al.

Indexed keywords

Engineering controlled terms:Magnetic anisotropyMagnetic fieldsMagnetic force microscopyMagnetization
Engineering uncontrolled termsFingerprint domainHigh-lateral resolutionIn-plane magnetic fieldsMagnetic domain patternsMagnetic force microscopies (MFM)Magnetostriction coefficientMicroscopic techniquesPreparation process
Engineering main heading:Magnetic domains
EMTREE medical terms:anisotropyArticlehysteresismagnetic fieldmagnetic force microscopymagneto optical kerr microscopymicroscopypolarization microscopypriority journalroom temperaturescanning probe microscopysurface propertyX ray diffraction
PaperChem Variable:Cross SectionForceMagnetic FieldsMicroscopyPatternsPreparationSensitivitySurfaces

Funding details

  • 1

    The authors thank Dr. D. Janicˇkovicˇ (Institute of Physics, SAS Bratislava, SK) for sample production. This work was supported by the IT4Innovations Excellence in Science (Reg. no. LQ1602), by Projects SP 2017/42 and SP 2018/43, and by the scientific researchers of higher education institutions within the State Task of the Russian Federation no. 2014/236.

  • ISSN: 01610457
  • CODEN: SCNND
  • Source Type: Journal
  • Original language: English
  • DOI: 10.1155/2018/8308460
  • PubMed ID: 29780438
  • Document Type: Article
  • Publisher: Hindawi Limited

  Životský, O.; Department of Physics, VŠB-Technical University of Ostrava, 17 Listopadu 15/2172, Poruba, Ostrava, Czech Republic;
© Copyright 2018 Elsevier B.V., All rights reserved.

Cited by 2 documents

Thuc, V.N. , Tam, H.A. , Giang, D.T.H.
Hierarchical geometric designs for Fe-based amorphous materials with tunable soft magnetic properties
(2022) Journal of Alloys and Compounds
Öztürk, S. , İcin, K. , Gençtürk, M.
Surface and structural characterization of amorphous Fe,Co-based melt-spun ribbons subjected to heat treatment processes
(2019) Journal of Non-Crystalline Solids
View details of all 2 citations
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