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Large-scale 3-D interconnected Ni nanotube networks with controlled structural and magnetic properties.


ABSTRACT: Large-scale, electrically interconnected three-dimensional (3-D) Ni crossed nanotube networks have been fabricated using an electrochemical dealloying method within the crossed nanopores of polymer host membranes. This method paves the way for the easy and cost-effective fabrication of 3-D magnetic NT networks with precise spatial arrangement and diameter and wall thickness of 10-100?nm controlled individually. The excellent control over geometrical parameters and morphological features of the Ni crossed nanotube networks leads to tunable magnetic and magneto-transport properties. Particularly, the low field magneto-transport behavior is consistent with the expected vortex-like states formed in different segments of the nanotube scaffold, whereas nucleation of domain walls at the intersection of the nanowire segments play a dominant role in the solid crossed nanowire networks counterpart. The present 3-D networks of nanomagnets are of special interest due to their potential for memory devices, computing architectures, sensing and biomedical applications.

SUBMITTER: de la Torre Medina J 

PROVIDER: S-EPMC6162309 | biostudies-literature | 2018 Sep

REPOSITORIES: biostudies-literature

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Large-scale 3-D interconnected Ni nanotube networks with controlled structural and magnetic properties.

de la Torre Medina Joaquín J   da Câmara Santa Clara Gomes Tristan T   Velázquez Galván Yenni G YG   Piraux Luc L  

Scientific reports 20180928 1


Large-scale, electrically interconnected three-dimensional (3-D) Ni crossed nanotube networks have been fabricated using an electrochemical dealloying method within the crossed nanopores of polymer host membranes. This method paves the way for the easy and cost-effective fabrication of 3-D magnetic NT networks with precise spatial arrangement and diameter and wall thickness of 10-100 nm controlled individually. The excellent control over geometrical parameters and morphological features of the N  ...[more]

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