Fabrication, detection and operation of a three-dimensional nanomagnetic conduit

Abstract

Three-dimensional (3D) nanomagnetic devices such as the vertical racetrack memory have attracted a huge interest due to their potential for memory and logic applications. However, their implementation has not been realised due to great challenges regarding fabrication and characterisation of 3D nanostructures. Here, we show a 3D nanomagnetic system created by 3D nano-printing and physical vapour deposition, which acts a conduit for domain walls. Domains formed at the substrate level are injected into a 3D nanowire, where they are controllably trapped using vectorial magnetic fields. A dark-field magneto-optical method for parallel, independent measurement of different regions in individual 3D nanostructures is also demonstrated. This work opens a new route for the advanced study and exploitation of 3D nanomagnetic systems.

arXiv comment21 pages, 4 figures

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Cited by in corpus (11)

• Magnetization Dynamics of Nanoscale Magnetic Materials: A Perspective
• Layer-by-layer growth of complex-shaped three-dimensional nanostructures with focused electron beams
• Observation of Coherent Spin Waves in a Three-Dimensional Artificial Spin Ice Structure
• 3D Nanomagnetism in Low Density Interconnected Nanowire Networks
• Domain wall automotion in three-dimensional magnetic helical interconnectors
• Imaging three-dimensional magnetic systems with X-rays
• Non-planar geometrical effects on the magnetoelectrical signal in a three-dimensional nanomagnetic circuit
• Transmission XMCD-PEEM imaging of an engineered vertical FEBID cobalt nanowire with a domain wall
• Applications of Nanomagnets as Dynamical Systems
• Transmission of a single electron through a Berry's ring
• Magnetization reversal mechanism of double-helix nanowires probed by dark-field magneto-optical Kerr effect