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Title: | The influence of the synthesis conditions on the magnetic behaviour of the densely packed arrays of Ni nanowires in porous anodic alumina membranes |
Authors: | Vorobjova, A. Tishkevich, D. Shimanovich, D. Zubar, T. Astapovich, K. Kozlovskiy, A. Zdorovets, M. Zhaludkevich, A. Lyakhov, D. Michels, D. Vinnik, D. Fedosyuk, V. Trukhanov, A. |
Issue Date: | 2021 |
Publisher: | Royal Society of Chemistry |
Citation: | The influence of the synthesis conditions on the magnetic behaviour of the densely packed arrays of Ni nanowires in porous anodic alumina membranes / A. Vorobjova, D. Tishkevich, D. Shimanovich, et al. — DOI 10.1039/d0ra07529a // RSC Advances. — 2021. — Vol. 11. — Iss. 7. — P. 3952-3962. |
Abstract: | The densely packed arrays of Ni nanowires of 70 nm diameter and 6-12 μm length were obtained via electrodeposition into porous alumina membranes (PAAMs) of 55-75 μm thickness. The morphology, microstructure and magnetic properties between the room and liquid-helium temperature of Ni nanowires in PAAMs have been investigated using scanning electron microscopy, X-ray diffraction and vibrating sample magnetometry. The crystal structure of the Ni nanowires is fcc with (220) preferred orientation. The magnetic characteristics of the Ni nanowires in PAAMs were compared with the same characteristics of bulk Ni and with other researchers' data. The effect of the porous alumina membrane and the Ni nanowires synthesis conditions on the magnetic characteristics of Ni nanowire arrays has been studied. The coercivity reached more than 750 kOe and the squareness ratio up to 0.65 under the proposed optimal synthesis conditions for Ni nanowires. Magnetic parameters of the densely packed arrays of Ni nanowires allow using them in magnetic recording media, hard disk drives, storage systems and sensors. In addition, such structures are of considerable interest for basic research on nanomagnetism which is significantly different from the magnetic properties of bulk and thin films materials. © The Royal Society of Chemistry. |
Keywords: | ALUMINA ALUMINUM OXIDE CRYSTAL ORIENTATION FILMS HARD DISK STORAGE LIQUEFIED GASES MAGNETIC PROPERTIES MAGNETIC STORAGE MAGNETISM MORPHOLOGY NANOWIRES SCANNING ELECTRON MICROSCOPY SUPERFLUID HELIUM LIQUID HELIUM TEMPERATURE MAGNETIC CHARACTERISTIC MAGNETIC RECORDING MEDIA POROUS ALUMINA MEMBRANES POROUS ANODIC ALUMINA MEMBRANES PREFERRED ORIENTATIONS SYNTHESIS CONDITIONS VIBRATING SAMPLE MAGNETOMETRY NICKEL METALLOGRAPHY |
URI: | http://elar.urfu.ru/handle/10995/103131 |
Access: | info:eu-repo/semantics/openAccess |
RSCI ID: | 44983939 |
SCOPUS ID: | 85099937428 |
WOS ID: | 000615282100019 |
PURE ID: | 20892659 6195941f-63f0-423e-b65a-ff64fbd8fb9c |
ISSN: | 20462069 |
DOI: | 10.1039/d0ra07529a |
metadata.dc.description.sponsorship: | The work was performed with support of State Scientic and Technical Program “Nanotech” (task GBx no 20163522 and no. 2.34), Branch Scientic and Technical Program “Nanotechnology and Nanomaterials” (task no. 1), Act 211 of Government of Russian Federation (contract No. 02.A03.21.0011). Dmitry Lyakhov and Dominik Michels are partially supported by KAUST (baseline funding). |
Appears in Collections: | Научные публикации ученых УрФУ, проиндексированные в SCOPUS и WoS CC |
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2-s2.0-85099937428.pdf | 1,12 MB | Adobe PDF | View/Open |
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