Note: Intro -- Positron and Positronium Chemistry -- Committees -- Preface -- Table of Contents -- Section 1. Fundamental Aspects of Positronium Chemistry and Symposium on Positronium Molecules -- Positronium Chemistry in Polymeric Membrane Systems -- Resonant Positron Annihilation on Molecules -- Prospects for Laser Spectroscopy of Ps2 -- Positronium Molecule Formation on Al (111)a -- Dipositronium and other Two-Positronium Compounds -- Ortho-Positronium Reemission Yield and Energy in Surfactant-Templated Mesoporous Silica Films -- Collisions Involving Positrons and Positronium -- Positronium Thermalization Process in Nanoporous Materials and its Influence on the Shape of PALS Spectrum -- S-Wave Resonances in Positron Scattering from Li and Na -- Positronium in Alkanes at High Pressure of Argon and Nitrogen -- Section 2. Polymer and Insulator -- A Phenomenological Description of the PALS Response in Glass - Forming Systems -- Momentum Distributions of Ortho-Positronium Dependent on Electronic State at Free Volume Walls in Insulators -- Free Volume and Oxygen Permeability in Polymers Related to Polymer Electrolyte Fuel Cells -- Effect of Oxygen on the Free Volume Property of Poly (Ether-Urethane) Irradiated by Neutron -- Seeking the Good Fitting Procedure of PALS Polymer Spectra -- Studying Polyamide Water Separation Film Using Slow Positron Beam -- Positron Annihilation Lifetime Study of Graft-Type Fluorinated Polymer Electrolyte Membranes -- Analysis of Radiation Induced Phenomena in a Polymer Electrolyte Membrane with Positron Annihilation Technique -- The Interface of Multi-Phase Polymer Systems Studied by Positron Annihilation -- The Effect of Anneal on PP and PA Blends Studied by Positron -- Investigation of Free Volume in Epoxy Resins Studied by PALS -- Positron Annihilation and Chemistry of Groups in Hyperbranched Polymers. , The Influence of Acrylic Acid Groups on the Microstructure of HDPE/PS/Clay System Studied by Positron Annihilation -- Influence of Free Volume on Damping Properties for CIIR and CIIR/PEA Investigated by Positron -- Section 3. Surface and Interface, Non-Metallic Solids -- Atomic Scale Study of Surface Structures and Phase Transitions with Reflection High-Energy Positron Diffraction -- Positron Beam Characterization of Silica Thin Films with Structurally Ordered Porosity -- Positron Beam Study of Co Doped ZnO Films Prepared by PLD -- Positron Implantation and Transmission Experiments on Free-Standing Nanometric Polymer Films -- Slow Positron Beam Probe for the ZnO/Silicone under Proton Irradiation -- Hydrogen- and Corrosion-Related Defect Characterization of Iron and Steels Using a Slow Positron Beam -- Disordered Structures of Adsorbed Hydrogens on Ni(111) Surface Studied by Slow Positron Beam and LEED -- Vacancy-Hydrogen Complexes in ZnO -- Positron Lifetime Study on Degradation of TiCrV Hydrogen Storage Alloy -- Structure and Positron Characteristics of Basic Open Volume Defects in Zirconia -- Luminescence and Defect Study of Ce3+-Doped Lu3Al5O12 Phosphors -- The Behavior of Oxygen and Defects in Si-Based Semiconductor Studied by Positron Annihilation Techniques -- Study of Compensation Defects and Electron Irradiation-Induced Defects in Undoped SI-InP by Positron Lifetime Spectroscopy -- Characterizing Native Point Defects in ZnO Bulk by Positron Annihilation Spectroscopy -- Defects in Electron Irradiation Te-Doped GaSb Studied by Positron Lifetime Spectroscopy -- Defect Study of As-Grown Single Crystal ZnO by Positron -- The Calculation of Positron Lifetime in Ni3Al Alloy -- Defects in Carbon Allotropes Studied by Positron Annihilation -- Positron Annihilation on the Surfaces of Single Crystals of Si, SiO2, Graphite and Cu. , Section 4. Porous Materials and Nanostructures -- Some Problems of the Free Volume Studies in Porous Polymers Using Positron Annihilation and Auxiliary Techniques -- Spontaneous Emission of Positronium Negative Ions from Tungsten (100) Surface -- Temperature and Pressure Measurements of PALS Spectra in Photonic Glasses -- Positron Lifetime Spectroscopy on Controlled Pore Glass Porosimetry and Pore Size Distribution -- Monitoring the Crystallization Stages of Silicalite by Positron Lifetime Spectroscopy -- Free Volumes in Polymer Nanocomposites -- n-Nonadecane Embedded in Mesopores -- Investigation of Interfacial Interaction and Microstructure for Epoxy/CNTs Nanocomposites by PALS -- Positron Study of Carbon Black Parameters: Structure and Surface Area -- Open-Nano Pores in Natural Minerals Studied by Positron Lifetime Spectroscopy -- Study of the Defect Formation of Helium in Nanocrystalline Titanium Films -- Tungsten Oxide Nanostructures Growth in HFCVD System by Slow Positron Beam -- Positron Annihilation in Carbon Nanotubes -- Formation of Ordered Pores Determined by Positronium Time of Flight Spectroscopy -- Influence of Sintering Temperature on Defects in Porous Silica Monoliths Studied by Positron Annihilation Techniques -- Porous Structure of Mesoporous Silica Studied by Positron Annihilation Lifetime Spectroscopy -- Temperature Dependence of Free Volume in Epoxy/Rectorite Nanocomposites by Positron Annihilation -- Section 5. Liquids and Bio-Application -- Influence of Temperature on Intratrack Processes and Ps Formation and Behaviour in Liquid Water -- Freezing of Nanodroplets: Phase Transition of Organic Liquids Confined in Nanopores Studied by Positron Annihilation Spectroscopy -- Positron Method for Diagnostics of Carcinogens -- Hydrogen Bonded Supra Molecular Structure as Studied by Positron Annihilation Spectroscopy. , Positronium Formation in Room Temperature Ionic Liquids -- Free Volume Seen by Positronium in Bulk and Confined Molecular Liquid -- Section 6. Advances in Experimental Methods -- Development of Positron Microbeam in AIST -- Development of the Positron Facility at the Argonne National Laboratory's 20 MeV Linac -- Interlaboratory Comparison of Positron Annihilation Lifetime Measurements -- Optimization of Positron Lifetime Spectrometer Using Monte-Carlo Simulation of the Detectors -- 4-Channel Digital Positron Lifetime Spectrometer for Studying Biological Samples -- Advanced Algorithms for PALS Analysis of Self-Assembled Amphiphiles -- A Novel Approach to the Interpretation of PAL Spectra in Glycerol -- Guiding of a Slow Positron Beam with a Glass Capillary -- Application of Positron Microprobe for Nuclear Materials -- Keywords Index -- Authors Index.