Please use this identifier to cite or link to this item: http://hdl.handle.net/10995/103131
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://hdl.handle.net/10995/103131
Access: info:eu-repo/semantics/openAccess
SCOPUS ID: 85099937428
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 Scientic and Technical Program “Nanotech” (task GBx no 20163522 and no. 2.34), Branch Scientic 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, проиндексированные в SCOPUS и WoS CC

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