Research output: Contribution to journal › Article › peer-review
Magnetic properties of ordered arrays of iron nanowires : The impact of the length. / Elmekawy, A. H.A.; Dubitskiy, I.; Sotnichuk, S.; Bozhev, I.; Napolskii, K.; Menzel, D.; Mistonov, A.
In: Journal of Magnetism and Magnetic Materials, Vol. 532, 167951, 01.08.2021.Research output: Contribution to journal › Article › peer-review
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TY - JOUR
T1 - Magnetic properties of ordered arrays of iron nanowires
T2 - The impact of the length
AU - Elmekawy, A. H.A.
AU - Dubitskiy, I.
AU - Sotnichuk, S.
AU - Bozhev, I.
AU - Napolskii, K.
AU - Menzel, D.
AU - Mistonov, A.
N1 - Publisher Copyright: © 2021 Elsevier B.V. Copyright: Copyright 2021 Elsevier B.V., All rights reserved.
PY - 2021/8/1
Y1 - 2021/8/1
N2 - The present study is focused on the investigation of the magnetic properties of hexagonally ordered iron nanowire arrays electrodeposited into anodic alumina templates. A series of 9 arrays of nanowires with a diameter of 52 nm, an interwire distance of 100 nm, and a length varying from 3.6 to 21.2μm is analyzed. Scanning electron microscopy, X-ray diffraction, SQUID magnetometry, and first-order reversal curves (FORC) analysis are used for the characterization of the nanowire arrays. The increase in coercivity with nanowire length is well described by a model of interacting wires, which are magnetized likely by a vortex domain wall mechanism. According to the width of distribution observed in the FORC diagrams, interaction fields decrease with increasing length, which supports the proposed model.
AB - The present study is focused on the investigation of the magnetic properties of hexagonally ordered iron nanowire arrays electrodeposited into anodic alumina templates. A series of 9 arrays of nanowires with a diameter of 52 nm, an interwire distance of 100 nm, and a length varying from 3.6 to 21.2μm is analyzed. Scanning electron microscopy, X-ray diffraction, SQUID magnetometry, and first-order reversal curves (FORC) analysis are used for the characterization of the nanowire arrays. The increase in coercivity with nanowire length is well described by a model of interacting wires, which are magnetized likely by a vortex domain wall mechanism. According to the width of distribution observed in the FORC diagrams, interaction fields decrease with increasing length, which supports the proposed model.
KW - Anodic alumina
KW - Ferromagnetic nanowire arrays
KW - First-order reversal curve
KW - Iron nanowires
KW - SQUID-magnetometry
KW - VARYING LENGTH
KW - ANISOTROPY
KW - ALUMINA
KW - MAGNETOSTATIC INTERACTIONS
KW - ALLOYS
KW - HEXAGONAL-ARRAYS
KW - GROWTH
KW - REVERSAL MODES
KW - FORC DIAGRAMS
KW - ELECTRODEPOSITION
UR - http://www.scopus.com/inward/record.url?scp=85104306695&partnerID=8YFLogxK
U2 - 10.1016/j.jmmm.2021.167951
DO - 10.1016/j.jmmm.2021.167951
M3 - Article
AN - SCOPUS:85104306695
VL - 532
JO - Journal of Magnetism and Magnetic Materials
JF - Journal of Magnetism and Magnetic Materials
SN - 0304-8853
M1 - 167951
ER -
ID: 76333553