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Magnetic Properties of the Densely Packed Ultra-Long Ni Nanowires Encapsulated in Alumina Membrane

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dc.contributor.author Tishkevich, Daria
dc.contributor.author Vorobjova, Alla
dc.contributor.author Shimanovich, Dmitry
dc.contributor.author Kaniukov, Egor
dc.contributor.author Kozlovskiy, Artem
dc.contributor.author Zdorovets, Maxim
dc.contributor.author Vinnik, Denis
dc.contributor.author Turutin, Andrei
dc.contributor.author Kubasov, Ilya
dc.contributor.author Kislyuk, Alexander
dc.contributor.author Dong, Mengge
dc.contributor.author Sayyed, M. I.
dc.contributor.author Zubar, Tatiana
dc.contributor.author Trukhanov, Alex
dc.date.accessioned 2024-09-17T05:35:00Z
dc.date.available 2024-09-17T05:35:00Z
dc.date.issued 2021
dc.identifier.citation Tishkevich, D.; Vorobjova, A.; Shimanovich, D.; Kaniukov, E.; Kozlovskiy, A.; Zdorovets, M.; Vinnik, D.; Turutin, A.; Kubasov, I.; Kislyuk, A.; et al. Magnetic Properties of the Densely Packed Ultra-Long Ni Nanowires Encapsulated in Alumina Membrane. Nanomaterials 2021, 11, 1775. https://doi.org/10.3390/ nano11071775 ru
dc.identifier.issn 2079-4991
dc.identifier.other doi.org/10.3390/nano11071775
dc.identifier.uri http://rep.enu.kz/handle/enu/16436
dc.description.abstract High-quality and compact arrays of Ni nanowires with a high ratio (up to 700) were obtained by DC electrochemical deposition into porous anodic alumina membranes with a distance between pores equal to 105 nm. The nanowire arrays were examined using scanning electron microscopy, X-ray diffraction analysis and vibration magnetometry at 300 K and 4.2 K. Microscopic and X-ray diffraction results showed that Ni nanowires are homogeneous, with smooth walls and mostly single-crystalline materials with a 220-oriented growth direction. The magnetic properties of the samples (coercivity and squareness) depend more on the length of the nanowires and the packing factor (the volume fraction of the nanowires in the membrane). It is shown that the dipolar interaction changes the demagnetizing field during a reversal magnetization of the Ni nanowires, and the general effective field of magnetostatic uniaxial shape anisotropy. The effect of magnetostatic interaction between ultra-long nanowires (with an aspect ratio of >500) in samples with a packing factor of ≥37% leads to a reversal magnetization state, in which a “curling”-type model of nanowire behavior is realized. ru
dc.language.iso en ru
dc.publisher Nanomaterials ru
dc.relation.ispartofseries Volume 11;Issue 7
dc.subject porous anodic alumina ru
dc.subject template synthesis ru
dc.subject nickel ru
dc.subject nanowire arrays ru
dc.subject anodizing ru
dc.subject electrodeposition ru
dc.subject magnetic properties ru
dc.subject magnetic anisotropy ru
dc.title Magnetic Properties of the Densely Packed Ultra-Long Ni Nanowires Encapsulated in Alumina Membrane ru
dc.type Article ru


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