Nanomaterials and nanocomposites, nanostructure surfaces, and their applications: selected proceedings of the 8th international conference nanotechnology and nanomaterials (nano2020), 26 - 29 august 2020, lviv, ukraine

This book highlights some of the latest advances in nanotechnology and nanomaterials from leading researchers in Ukraine, Europe and beyond. It features contributions presented at the 8th International Science and Practice Conference Nanotechnology and Nanomaterials (NANO2020), which was held on August 26–29, 2020 at Lviv Polytechnic National University, and was jointly 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). Internationally recognized experts from a wide range of universities and research institutions share their knowledge and key findings on material properties, behavior, and synthesis. This book’s companion volume also addresses topics such as nano-optics, energy storage, and biomedical applications. Preface Contents Contributors Nanomaterials and Nanocomposites Predicting the Stability of Orthoarsenates Lu1–xLnxAsO4, Ln = Sm–Yb, Sc, Y, and La1–xLnxAsO4, Ln = Ce, Pr, Nd Solid Solutions 1 Prospects for the Practical Use of Solid Solutions of LnI1–xLnIIxAsO4, Where LnI, LnII = REEs 2 Calculation Procedure and Initial Data 3 Calculation Results for Lu1–xLnxAsO4, Ln = Sm–Yb, Sc, and Y Solid Solutions with Zircon Structure 4 Calculation Results for La1–xLnxAsO4, Ln = Ce, Pr, and Nd Solid Solutions with Monazite Structure 5 Conclusions References Novel Silica-Based Material with Nano-functional Groups for Analytical Application 1 Introduction 2 Materials and Methods 2.1 Materials 2.2 Silanization Procedures 2.3 Methods 2.4 LC Instruments and Chromatographic Conditions 2.5 Adsorption Studies of SPE-Phases 2.6 Calibration Curves, Limits of Detection and Quantification 3 Results and Discussion 3.1 Immobilization of Surfactants 3.2 Fourier Transform Infrared (FTIR) Spectroscopy 3.3 Differential Thermal Analysis (DTA) 3.4 Elemental Analysis 3.5 Determination of Myo-Inositol in Medicago Sativa L. 4 Conclusion References FINEMET Micro-ribbons: The Experimental Identification of the Object 1 Introduction 2 Experimental Observations 2.1 Elemental Analysis. X-Ray Fluorescent Spectroscopy 2.2 Elemental Analysis. The Data from the Laser Mass Spectroscopy 2.3 The Cu Kα X-Ray Diffraction Patterns 2.4 The Magnetic Susceptibility as the Function of Temperature 2.5 The Ferromagnetic Resonance 2.6 The Behavior in the Surface Electromagnetic Wave Resonator 2.7 The Complex Impedance of the FINEMET Micro-samples as the Function of Frequency 2.8 Excited Transversal Mechanical Vibration of the Micro-ribbon with an Unfixed End 3 Discussion of the Experimental Data 4 Conclusions References Heavy Metals Removal Using Nanostructured Carbon-Based Composites in the Presence of Various Organic Compounds 1 Structure of Composites 2 Heavy Metal Removal Using Natural and Modified Sorbents 3 Carbon-Based Composites in Heavy Metal Removal 4 Carbon-Based Composites in Heavy Metal Removal from Solutions Containing Additional Substances 5 Conclusions References On the Crystallization Ability of 80GeSe2-20Ga2Se3 Glasses 1 Introduction 2 Sample Preparation and Experimental Setup 3 Results and Discussion 3.1 XRD Study at Crystallization of GeSe2–Ga2Se3 Glasses 4 Conclusions References Kinetics of ZnMoO4·0.8H2O and α-ZnMoO4 Formation at Ultrasonic Treatment of ZnO and MoO3 Mixture 1 Introduction 2 Experimental 3 Results and Discussion 4 Conclusion References Ti-Implanted Nanoscale Layers for the Chloramphenicol Photocatalytic Decomposition 1 Introduction 2 The Experimental Part 3 Results and Discussion 4 Conclusions References Impedance Spectroscopy of NaBi(MoO4)2:Gd3+ Nanocrystals in the Pores of an Opal Matrix 1 Introduction and Background 2 Sample Preparation and Experimental Techniques 2.1 Synthetic Opals and Nanocomposite Based on Them 2.2 X-ray Diffraction Patterns 2.3 Raman Spectra 2.4 Impedance Measurements 3 Characterization of the Opal-NaBi(MoO4)2:Gd3+ Nanocomposite 3.1 X-ray Diffractograms 3.2 Raman Spectra 4 Impedance Spectroscopy of Opal-NaBi(MoO4)2:Gd3+ Nanocomposite 5 Conclusions References The Practical and Industrial Significance of Magnetic Materials Based on NiFe2O4. A Review 1 Introduction to Nickel Ferrites 2 Brief Description of Nickel Ferrites and Methods of Their Obtaining 2.1 Sol–gel Method 2.2 Combustion Under the Influence of Microwave Radiation 2.3 Hydrothermal Method 2.4 Co-precipitation 3 Practical and Industrial Significance and Application of the Newest Materials Based on Nickel Ferrites 3.1 Energy 3.2 Nanocoating 3.3 Sensory 3.4 Microbiology 3.5 Catalysis 3.6 Medicine 3.7 Water and Water Treatment 4 Modern Trends in Nickel Ferrites Applications 5 Conclusions References Membranes Modified with Advanced Carbon Nanomaterials (Review) 1 Introduction 2 Membranes Modified with Carbon Nanotubes 3 Membranes Containing Fullerenes 4 Membranes Modified with Graphene 5 Inorganic Membranes Containing Carbon Nanoparticles 6 Conclusions References Dependence of the Nanocomposite Systems Resistance on the Initial Materials Dispersity 1 Introduction 2 Research Methods 3 Results and Discussion 4 Conclusion References Electrical Resistance of Modified Thermo-exfoliated Graphite 1 Introduction 2 Experimental 2.1 Preparation of Bulk Specimens of Modified Thermo-exfoliated Graphite 2.2 Measurement of Electrical Resistance 3 Results and Discussion 3.1 Resistivity of Modified TEG with Small Concentration of Modifier 3.2 The Temperature Dependence of Resistivity for Compacted Modified Thermo-Exfoliated Graphite 4 Conclusion References Methods for Controlling the Properties of Nanoporous Layers in Granules of Porous Ammonium Nitrate: Stage of Drying 1 Introduction 2 Calculation of Technological Parameters 3 Properties of Nanoporous Layers in Granules of PAN 4 Conclusions References Nanoporous Organo-Mineral Fertilizers Obtained by Using of Granule Shell Technology 1 Introduction 2 Materials and Methods 3 Results and Discussion 4 Conclusions References Influence of Changes in the Phase State of the Surface and External Factors of Laser Irradiation on the Nanocraters Formation 1 Introduction 2 Analytical Solution of the Gas Phase Dynamics Problem in the One-Dimensional Approximation 2.1 Influence of Radiation Absorption on Pressure Dynamics During Pulse Action 2.2 Influence of Resonant Absorption of Radiation on Dynamics of a Torch 3 Conclusion References Mechanisms of Magnetic Ordering in Quasi-2D BEDT-TTF Conductors 1 Introduction 2 Configurational Representation of the Model Hamiltonian 3 Effective Hamiltonian of BEDT-TTF Electron Subsystem 4 Conditions for Antiferromagnetic State Stabilization 5 Spin Wave Spectrum for a Narrow-Band Antiferromagnet 6 Conclusions References Theoretical Basics of Final Drying of Ammonium Nitrate with Nanoporous Structure in Gravitational Shelf Dryers 1 Introduction 2 Hydrodynamics of Flows Motion 3 Kinetics of Drying 4 Morphology of PAN Granule Structure 5 Conclusions References Influence of the Preparation Method and Magnesium Ions Substitution on the Structure and Magnetic Properties of Lithium-Iron Ferrites 1 Introduction 2 Experimental 3 Results and Discussion 3.1 Structure and Morphology of Magnesium-Substituted Lithium Ferrite 3.2 Mössbauer Studies of Mg-Substituted Lithium-Iron Spinels 3.3 Frequency Behavior of Conductive and Dielectric Properties of Mg-Substituted Li0.5Fe2.5O4 Spinels 4 Conclusions References All-Angled Perfect Transmission of the Ultra-relativistic Quasiparticles Through the Graphene Quantum Well 1 Introduction 2 Model and Formulae 3 Results and Discussion 4 Conclusion References Structure, Thermophysical Properties and Thermodynamics of Formation of Nanocomposites Based on Epoxy Resin and Carbon Nanotubes 1 Introduction 2 Experimental 3 Results and Discussions 4 Conclusions 5 Funding 6 Conflict of Interest References Nanostructure Surfaces Dispersion Kinetics of Thin Double Niobium-Nickel Films Deposited onto Oxide Ceramic Materials and Annealed in Vacuum 1 Introduction 2 Materials and Experimental Methods 3 Results and Discussion 4 Conclusions References Stripping Voltammetry of Nanoscale Films of Cu–Zn, Cu–Sn, Zn–Ni Alloys 1 Introduction 2 Experimental 3 Experimental Results and Discussion 4 Conclusions References The Stability Analysis of Stationary Modes of the Ice Surface Softening During the Friction Process 1 Introduction 2 Theoretical Model of the Ice Melting Process 3 Main Equations 4 Steady States of the System 5 Phase Portraits 6 Conclusion References PALS Approach to Study of Water–Adsorption Processes in Nanostructured MgAl2O3 Ceramics: From Three- to Four-Component Fitting Procedures 1 Introduction 2 Sample Preparation and Experimental 3 Results and Discussion 3.1 Water–adsorption Processes in Nanostructured MgAl2O3 Ceramics Studied by Three-Component Fitting Procedure 3.2 Water–Adsorption Processes in Nanostructured MgAl2O3 Ceramics Studied by Three-Component Fitting Procedure with Fixation of the Lifetimes 3.3 Water–Adsorption Processes in Nanostructured MgAl2O3 Ceramics Studied by Four-Component Fitting Procedure 4 Conclusions References Thin Films of La1-xSmxVO4:Ca Luminescent Vanadate Nanoparticles Deposited with Various Methods on Glass Substrates 1 Introduction 2 Methods of the Vanadate Nanoparticles Synthesis and Their Deposition 2.1 Synthesis of the Nanoparticles 2.2 Solution Evaporation Method 2.3 Spin-Coating Deposition of the Films 2.4 Pulsed Laser Deposition 3 Crystal Structure and Morphology of the Initial Nanoparticles 4 Morphology of the Films Obtained by Different Methods 4.1 Morphology of the SE Films 4.2 Morphology of the SC Films 4.3 Morphology of the PLD Films 5 Optical Metrology of the Films 6 Optical Spectroscopy 7 Luminescence 8 Conclusions References Carbon Solid Acids Prepared from the Surface-Brominated Nanoporous Activated Carbons 1 Introduction 2 Experimental 2.1 Materials 2.2 Modification 2.3 Methods 3 Results and Discussion 4 Concluding Remarks References The Conductivity Mechanisms of ZnO Thin Films Structured Using Polyvinyl Alcohol 1 Introduction 2 Methods 3 Results and Discussion 4 Conclusions References Deposition and Growth of the AlCoCuFeNi High-Entropy Alloy Thin Film: Molecular Dynamics Simulation 1 Introduction 2 Simulation Model and Methods 3 Results and Discussion 4 Conclusions References Semiconductor Magnetosensitive Structure Two-Dimensional Model Representation 1 Introduction 2 Modeling Principles and Mathematical Problem Formulation 3 Conclusions References Thermodynamic States and Transitions Diagrams in Surface Engineering for the Material Degradation Prevention 1 Introduction 2 Materials and Experimental Methods 3 Results and Discussion 3.1 Theoretical Background 3.2 Thermodynamic States and Transitions Diagrams 3.3 Inhibitive Mechanism Aliasing Effects 4 Conclusions References The Investigation of Morphology, Topography, and Surface Fractality of Heterooxide Composite Coatings 1 Experimental 1.1 The Obtaining Composites Fe–Co–MoOx 1.2 The Obtaining Heterooxide Coatings Al2O3·MOx(M–Co, Mn) 1.3 The Research Methods 2 The Research of the Morphology and Surface Topography of Fe–Co–MoOx Coatings 3 Research of Plasma-Electrolyte Coatings Al2O3 · CoOx(MnOy) 4 Conclusions References