3D Nanomagnetism in Low Density Interconnected Nanowire Networks
3D information storage
Condensed Matter - Materials Science
Condensed Matter - Mesoscale and Nanoscale Physics
Materials Science (cond-mat.mtrl-sci)
FOS: Physical sciences
02 engineering and technology
530
multistate magnetic configurations
3D nanomagnetism
cond-mat.mtrl-sci
620
Engineering
nanowire networks
cond-mat.mes-hall
Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
Nanotechnology
Nanoscience & Nanotechnology
0210 nano-technology
DOI:
10.1021/acs.nanolett.0c04366
Publication Date:
2020-12-11T18:53:00Z
AUTHORS (10)
ABSTRACT
Free-standing, interconnected metallic nanowire networks with density as low 40 mg/cm^{3} have been achieved over cm-scale areas, using electrodeposition into polycarbonate membranes that ion-tracked at multiple angles. Networks of magnetic nanowires further provide an exciting platform to explore 3-dimensional nanomagnetism, where their structure, topology and frustration may be used additional degrees freedom tailor the materials properties. New magnetization reversal mechanisms in cobalt are captured by first-order curve method, which demonstrate evolution from strong demagnetizing dipolar interactions intersections-mediated domain wall pinning propagation, eventually shape-anisotropy dominated reversal. These findings open up new possibilities for integrated devices memory, complex computation, neuromorphics.
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