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Issue 8, 2018
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Electric field induced simultaneous change of transport and magnetic properties in multilayered NiOx/Pt nanowires

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Abstract

Nanoscale manipulation of the transport and magnetic properties of a material offers a distinguished possibility for the development of novel multifunctional devices with ultra-small dimensions, high densities and low power consumption. This is highly desirable for promising applications in nonvolatile data storage. Here, a novel device with multilayered NiOx/Pt (x < 1) nanowire arrays as the switching matrix was constructed by a simple electrodeposition method combining a partial oxidization process. The device exhibits bipolar resistive switching behavior with free-forming, low switching voltage, and stable endurance properties. More importantly, its magnetoresistance and magnetic properties including saturated magnetization and coercivity can be simultaneously tuned during the resistive switching process. Both the Ni-rich region constructed through electric field-induced oxygen ion migration and the pre-existence of Ni nanoparticles in NiOx segments are responsible for the resistive switching and the corresponding modulation of the magnetoresistance and magnetic properties. This work provides a simple yet effective approach for the modulation of resistance and magnetization through electrical and magnetic control, which can provide a new way of designing a multifunctional magnetoelectric device.

Graphical abstract: Electric field induced simultaneous change of transport and magnetic properties in multilayered NiOx/Pt nanowires

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Publication details

The article was received on 10 Oct 2017, accepted on 28 Jan 2018 and first published on 29 Jan 2018


Article type: Paper
DOI: 10.1039/C7TC04620K
Citation: J. Mater. Chem. C, 2018,6, 1996-2003
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    Electric field induced simultaneous change of transport and magnetic properties in multilayered NiOx/Pt nanowires

    L. Wang, X. Li, W. Xue, Z. Quan, X. Qin, F. Wang and X. Xu, J. Mater. Chem. C, 2018, 6, 1996
    DOI: 10.1039/C7TC04620K

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