Nanoscience and nanotechnology have both been major research topics of interest over the past several decades. Nanomaterials, which have low-dimensional structures, contribute to developing those scientific fields. As a result, quantum mechanics and statistical mechanics become more important to understand those phenomena in such properties of low-dimensional nanomaterials as phase transition, chemical transformation, etc. The scientific and technological topic of low-dimensional structures and devices is a major new research and development field with enormous challenges, interest, and promise. This field originates in the world of quantum mechanics but it is already emerging to influence everyday life.

Various nanomaterials such as carbon nanotubes, graphene, zeolites, porous silica and alumina, metal organic frameworks, and metal nanoclusters are being utilized for nano-electronics, photonic devices, nano-machines, and sensors. Metal nanoparticles have zero-dimensional geometry and unique catalytic activities. Optical properties of metal nanoparticles strongly depend upon the particle size and shape.

Among the variety of properties of low-dimensional structures and nanoparticles, their optical properties are distinguished, which are used in both the macro and nanoworld: in solar energy, in aerospace applications, for transporting an elementary dose of a substance in medicine, biology and pharmacology, and for studying optical fields with a complex internal energy structure.

The optical properties of low-dimensional structures and nanoparticles are useful in measuring applications associated with measuring the roughness of surfaces, constructing their spatial relief, restoring the topological features of an optical inhomogeneous speckle field, followed by obtaining information about an object.

The purpose of this Research Topic is to demonstrate new trends in the development, creation, and use of low-dimensional structures, nanoparticles and their role in a variety of optical measurements.

Themes of interest include, but are not limited to, the following list:
• Nanostructures and nanotechnology
• Scanning Probe Microscopy
• Phononic crystals
• Monte Carlo (MC) kinetic approaches
• Practical applications

This Research Topic was launched in connection with the Correlation Optics 2021 conference (hosted by Chernivtsi National University), which took place between 13th – 16th September 2021.

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