This book highlights some of the latest advances in nanotechnology and nanomaterials from leading researchers in Ukraine, Europe, and beyond. It features contributions from participants of the 11th International Conference Nanotechnology and Nanomaterials (NANO-2023) in Bukovel, Ukraine on August 16-19, 2023 organized by the Institute of Physics of the National Academy of Sciences of Ukraine, University of Tartu (Estonia), University of Turin (Italy), and Pierre and Marie Curie University (France). Worldwide experts present scientific achievements in key topics such as nanophysics, nanophotonics, nanooptics, nanoplasmonics, nanoelectronics, and  nanobiotechnology. The book explores a significant branch of nanoscience and introduces new opportunities for synergistic research.              Specifically, it: •    presents new methods for the synthesis and characterization of nanomaterials, nanocomposites and various nanostructures •    presents microscopy, spectroscopy and laser imaging techniques for nanomaterials and nanocomposites •    presents novel advances in nanophysics, nanooptics, nanophotonics, and nanoplasmonics •    covers nanobiotechnology and nanochemistry, and their applications. This Book is essential reading for advanced undergraduate and graduate students, senior scientists, and industry representatives. It includes up-to-date results of investigations in nanotechnology and nanomaterials, along with promising its applications from nanophysics to nanomedicine.