Arrangement of self-assembled ZnO-NiO nanostructures using topographical templates towards oxide directed self-assembly

Arrangement of self-assembled ZnO-NiO nanostructures using topographical templates towards oxide directed self-assembly

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Self-assembled oxide composite biscoff spread woolworths nanostructures offer novel functionalities and three-dimensional architectures, such as vertical pillars and matrix structures.One of the challenges in this field is to precisely control the positional arrangement of oxide pillars embedded in a matrix.Here, we report on an early proof-of-concept demonstration for positioning and arranging self-assembled NiO pillars in a ZnO matrix.SrTiO3 templates with artificial line groove patterns were fabricated by nanoimprint lithography (NIL).High-density NiO pillars were observed on both sides of the template line edges as well as a single array of NiO pillars in the middle of each line groove for a 90 nm line width.

This simple technique provides a path towards the development of nanoscale design and applications for kt-swled45ps-4a-8csa-vdim-p memory devices.