This book presents an innovative approach to the synthesis and mechanical characterization of hydroxyapatite (HA)-based nanocomposites for biotechnological applications. By integrating advanced X-ray diffraction (XRD) techniques with ultrasonic pulse-echo testing, it provides a high-precision method for determining nanocrystal size, stress-strain behavior, and elastic modulus. The book investigates the effects of doping HA with silver and copper iodide, enhancing structural integrity and bioactivity, and offering new perspectives for optimizing HA-based materials in biomedical applications.

The book explores the investigation of nanocrystal size of natural HA using X-ray diffraction, as well as the evaluation of an innovative technique for measuring the modulus of elasticity related to the atomic density of planes in unit cell and super cells of crystal lattices. It also examines the relationship between Young's modulus and planar density in unit cells, super cells (2×2×2), and symmetry cells of cubic crystal lattices. Furthermore, the book explores the effect of calcination temperature on the mechanical and photophysical properties of CuI-doped HA, providing a deeper understanding of material stability under varying conditions.

By linking fundamental materials science with applied biomedical engineering, this book establishes a robust framework for the development of next-generation biomaterials. The combination of innovative synthesis techniques and advanced mechanical characterization offers practical insights to improve the longevity and performance of HA-based implants and scaffolds.

This book will be a valuable resource for researchers, engineers, and professionals in materials science, nanotechnology, and biomedical engineering. It will particularly benefit those working with bioactive materials, implant development, and mechanical characterization, as it provides cutting-edge methods for optimizing HA composites for clinical use.

With its systematic presentation of theory, experimental methods, and practical case studies, this book is well suited as a textbook for advanced graduate and PhD courses in materials science, microsystems engineering, nanotechnology, and biomaterials engineering.

Autorentext

Dr. Marzieh Rabiei is a postdoctoral researcher specializing in mechano-optoelectronics. She has an impressive record of publications, citations, and successful research projects, particularly at Kaunas University of Technology (KTU), Lithuania. Dr. Rabiei has contributed significantly to the synthesis of organic emitters, density functional theory (DFT) calculations, and the study of photophysical, mechanochromic, electrochemical, and electroluminescent properties. Her work includes the fabrication of advanced optical devices, and her findings have been published in leading Q1 journals. Notably, she authored a high-impact paper in the Chemical Engineering Journal on thermally activated delayed fluorescence dyes in OLEDs. Dr. Rabiei is also well-versed in materials characterization and has published a book on crystallite structures. Prof. habil. Dr. Arvydas Palevicius is a professor at the Department of Mechanical Engineering, Kaunas University of Technology (KTU), Lithuania. His research focuses on microsystems engineering, including biomechanical systems for biomedical applications. He explores biologically adaptive multifunctional nanocomposites, their synthesis, and the integration of periodic microstructures for optical sensors in medical and pharmaceutical technologies. A prolific scholar, Prof. Palevicius has authored over 100 scientific papers and co-authored two books published by Springer. He has supervised more than 10 successful Ph.D. dissertations and was awarded the Lithuanian Science Prize in 2018 for his contributions to micromechanical systems. Dr. Sohrab Nasiri is a chief researcher at Kaunas University of Technology (KTU), Lithuania. His expertise spans the synthesis of organic emitters, DFT modeling, mechanochromic luminescence, and the development of electrochemical and electroluminescent materials. During his Ph.D. at KTU, which he completed in just three years, Dr. Nasiri led two successful research projects and published several high-impact papers. His postdoctoral research expanded on these achievements, including a widely cited article in the Chemical Engineering Journal (IF 13.3) as corresponding author. He is experienced in device fabrication techniques such as solution processing and physical vapor deposition (PVD) and has made key contributions to the design of emitter layers for optoelectronic devices. Prof. Dr. Giedrius Janusas holds an M.Sc. in applied mathematics and a Ph.D. in mechanical engineering. For over 15 years, he has worked in the areas of composite material mechanics, microsystem dynamics, and statistical data analysis. His expertise also includes the application of holographic interferometry in micromechanical system diagnostics. Prof. Janusas has co-authored more than 100 scientific publications and is a recipient of the Lithuanian Science Prize (2018) for his work on micromechanical systems. He serves on the Doctoral Committee for Mechanical Engineering at KTU, is a part of the mechanics conference organizing team, and is a member of the editorial board of the journal Mechanika.