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Open access
MDPI
Nanomaterials
,  volume 12 ,  issue 9 ,  pages 1506

Core–Shell GaAs-Fe Nanowire Arrays: Fabrication Using Electrochemical Etching and Deposition and Study of Their Magnetic Properties

Publication type: Journal Article
Publication date: 2022-04-28
MDPI
scimago Q1
wos Q2
SJR: 0.811
CiteScore: 9.2
Impact factor: 4.3
ISSN: 20794991
DOI:  10.3390/nano12091506
PubMed ID:  35564215
General Chemical Engineering
General Materials Science
Abstract

The preparation of GaAs nanowire templates with the cost-effective electrochemical etching of (001) and (111)B GaAs substrates in a 1 M HNO3 electrolyte is reported. The electrochemical etching resulted in the obtaining of GaAs nanowires with both perpendicular and parallel orientations with respect to the wafer surface. Core–shell GaAs-Fe nanowire arrays have been prepared by galvanostatic Fe deposition into these templates. The fabricated arrays have been investigated by means of scanning electron microscopy (SEM) and vibrating sample magnetometry (VSM). The magnetic properties of the polycrystalline Fe nanotubes constituting the shells of the cylindrical structures, such as the saturation and remanence moment, squareness ratio, and coercivity, were analyzed in relation to previously reported data on ferromagnetic nanowires and nanotubes.

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GOST |
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GOST Copy
Monaico E. et al. Core–Shell GaAs-Fe Nanowire Arrays: Fabrication Using Electrochemical Etching and Deposition and Study of Their Magnetic Properties // Nanomaterials. 2022. Vol. 12. No. 9. p. 1506.
GOST all authors (up to 50) Copy
Monaico E., Morari V., Ursaki V., Nielsch K., Tiginyanu I. Core–Shell GaAs-Fe Nanowire Arrays: Fabrication Using Electrochemical Etching and Deposition and Study of Their Magnetic Properties // Nanomaterials. 2022. Vol. 12. No. 9. p. 1506.
RIS |
Cite this
RIS Copy
TY - JOUR
DO - 10.3390/nano12091506
UR - https://doi.org/10.3390/nano12091506
TI - Core–Shell GaAs-Fe Nanowire Arrays: Fabrication Using Electrochemical Etching and Deposition and Study of Their Magnetic Properties
T2 - Nanomaterials
AU - Monaico, Eduard
AU - Morari, Vadim
AU - Ursaki, Veaceslav
AU - Nielsch, Kornelius
AU - Tiginyanu, Ion
PY - 2022
DA - 2022/04/28
PB - MDPI
SP - 1506
IS - 9
VL - 12
PMID - 35564215
SN - 2079-4991
ER -
BibTex |
Cite this
BibTex (up to 50 authors) Copy
@article{2022_Monaico,
author = {Eduard Monaico and Vadim Morari and Veaceslav Ursaki and Kornelius Nielsch and Ion Tiginyanu},
title = {Core–Shell GaAs-Fe Nanowire Arrays: Fabrication Using Electrochemical Etching and Deposition and Study of Their Magnetic Properties},
journal = {Nanomaterials},
year = {2022},
volume = {12},
publisher = {MDPI},
month = {apr},
url = {https://doi.org/10.3390/nano12091506},
number = {9},
pages = {1506},
doi = {10.3390/nano12091506}
}
MLA
Cite this
MLA Copy
Monaico, Eduard, et al. “Core–Shell GaAs-Fe Nanowire Arrays: Fabrication Using Electrochemical Etching and Deposition and Study of Their Magnetic Properties.” Nanomaterials, vol. 12, no. 9, Apr. 2022, p. 1506. https://doi.org/10.3390/nano12091506.