Cylindrical magnetization model for glass-coated microwires with circular anisotropy: Statics

Torrejón, Jacob; Thiaville, A.; Adenot-Engelvin, Anne-Lise; Vázquez, M.; Acher, O.

doi:10.1016/j.jmmm.2010.09.018

Cited by 17 publications

(3 citation statements)

References 20 publications

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“…The results of our first extensive systematic magneto-optical studies made it possible to identify two main types of these structures [51]. These results are fully consistent with the known model [52,53].…”

Section: Introductionsupporting

confidence: 84%

Review of Helical Magnetic Structures in Magnetic Microwires

et al. 2022

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We provide an overview of the helical magnetic structures in magnetic microwires. Having analyzed the experimental data describing the magnetic behavior of magnetic microwires since the 1990s, we found indirect evidence of the existence of various types of helical magnetic structures. Purposeful research has allowed us to discover the spiral magnetic structure as one of the most unusual helical structures. A comparison of the spiral structure with another type of helical structure—elliptical—was carried out. In the analysis, emphasis was placed on the length of the domain wall as one of the most important parameters. The difference in the dynamic properties of the spiral and elliptical domain walls has been demonstrated.

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Section: Introductionsupporting

confidence: 84%

Review of Helical Magnetic Structures in Magnetic Microwires

et al. 2022

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“…Local hysteresis loops along the microwire axis can be obtained by measuring the magnetic flux in short movable pick-up coils. This also allows the magnetization profile to be measured in order to assess the contribution of closure domains [ 15 , 27 , 46 , 47 ].…”

Section: Methodsmentioning

confidence: 99%

An Indirect Method of Micromagnetic Structure Estimation in Microwires

et al. 2021

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The tunable magnetic properties of amorphous ferromagnetic glass-coated microwires make them suitable for a wide range of applications. Accurate knowledge of the micromagnetic structure is highly desirable since it affects almost all magnetic properties. To select an appropriate wire-sample for a specific application, a deeper understanding of the magnetization reversal process is required, because it determines the measurable response (such as induced voltage waveform and its spectrum). However, the experimental observation of micromagnetic structure of micro-scale amorphous objects has strict size limitations. In this work we proposed a novel experimental technique for evaluating the microstructural characteristics of glass-coated microwires. The cross-sectional permeability distribution in the sample was obtained from impedance measurements at different frequencies. This distribution enables estimation of the prevailing anisotropy in the local region of the wire cross-section. The results obtained were compared with the findings of magnetostatic measurements and remanent state analysis. The advantages and limitations of the methods were discussed.

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“…In [2,3] the polarized neutron microbeam from planar waveguides was used for the investigation of a magnetic microwire with high spatial resolution. The amorphous magnetic wire had axial magnetic domains in a compact core and circular domains in a wide shell [4]. A nonmagnetic waveguide was mounted on neutron reflectometer providing polarization analysis [5].…”

Section: Introductionmentioning

confidence: 99%

Divergence of neutron microbeams from planar waveguides

Кожевников

Жакетов

Keller

et al. 2019

Nuclear Instruments and Methods in Physics Research Section A:

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Neutron planar waveguides are focusing devices generating a narrow neutron beam of submicron width. Such a neutron microbeam can be used for the investigation of local microstructures with high spatial resolution. The essential parameter of the microbeam is its angular width. The main contribution to the microbeam angular divergence is Fraunhofer diffraction on a narrow slit. We review and discuss various ways to characterize the angular divergence of the neutron microbeam using time-of-flight and fixed wavelength reflectometers.

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Cylindrical magnetization model for glass-coated microwires with circular anisotropy: Statics

Cited by 17 publications

References 20 publications

Review of Helical Magnetic Structures in Magnetic Microwires

Review of Helical Magnetic Structures in Magnetic Microwires

An Indirect Method of Micromagnetic Structure Estimation in Microwires

Divergence of neutron microbeams from planar waveguides

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