This volume contains the proceedings of the Fifth International Confer ence on Phonon Scattering in Condensed Matter held June 2-6, 1986 at the University of Illinois at Urbana-Champaign. The preceding confer ences were held at St. Maxime and Paris in 1972, at the University of Nottingham in 1975, at Brown University in 1979, and at the University of Stuttgart in 1983. The Illinois conference dealt with both traditional and newly developing topics in the area of phonon scattering. Papers were presented on phonon scattering in glassy and crystalline dielectrics, semi conductors, metals (both normal and superconducting), and in the areas of phonon imaging, large wave vector phonons, optical techniques and new experimental methods. The 12 invited papers and 100 contributed papers were presented by the 125 scientists from 14 countries. A citation was presented to Professor Paul Klemens of the University of Connecticut for his pioneering contributions to the physics of phonon scattering in solids. Paul Gustav Klemens Born - Vienna (1925) B. Sc. - Sydney (1946) D. Phil. - Oxford (1950) National Standards Lab., Sydney (1950-1959) Westinghouse Research Labs., Pittsburgh (1964-1969) Univ. of Connecticut (1967- ) Fellow: American Physical Society British Institute of Physics & Physical Society A long career dedicated to the understanding of thermal transport. Few papers are published on phonon thermal transport that do not reference his work.

InhaltsangabeI Glassy Materials and Two-Level Systems.- Phonon Scattering in Disordered Systems.- The Thermal Conductivity of Amorphous Insulators.- The Thermal Conductivity and Specific Heat of Glasses.- The Thermal Conductivity Plateau in Disordered Systems.- Thermal Properties of Silica Gels.- Phonon Scattering in a Sol-Gel Glass.- Normalized Thermal Conductivity of Amorphous Solids.- Thermal Properties of Amorphous Cross-Linked Polybutadiene.- Effect of Crosslinking on the Thermal Conductivity of cis-1,4 Polybutadiene.- Low-Temperature Thermal Diffusivity in Polyethylene.- The Thermal Conductivity of Several Fluoride Glasses.- Phonon Scattering by Low-Energy Excitations and Free Volume in Amorphous PdCuSi.- Heat Flow in Glasses on a Picosecond Timescale.- Acoustic Attenuation in Amorphous Pd30Zr70 and Cu30Zr70 in the Superconducting and the Normal State.- Evidence for Two Different Kinds of Two Level Systems in Lithium Borate Glasses.- Dielectric Rotary Echoes in Vitreous Silica.- Hypersonic Phonon Damping in Neutron Irradiated Quartz.- Ultrasonic Detection of an Energy Gap Change in the N/S Transition for Trapped H in Nb.- Fast-Time Heat Pulse Measurements in High- and Low-Diffusivity Materials.- Thermal Conductivity of Neutron Irradiated Quartz.- Additional Evidence for TLS in Electron-Irradiated Quartz from Ultrasonic Attenuation Measurements.- Measurements of the Low Temperature Sound Velocity at 9.3 GHz in Neutron-Irradiated Quartz Crystals.- Thermal Properties of Cordierite Glass.- TLS Spectral Density and Order-Disorder Transition Temperature in (KBr)1-x(KCN)x.- II Electron-Phonon Interactions and Superconductivity.- Phonon-Emission Spectroscopy of a Two-Dimensional Electron Gas.- Thermal Conductivity Resonances in Doped Semiconductors and Amorphous Materials.- Damping of Phonons by Metal Particles Embedded in an Insulating Matrix.- The Role of the Electron-Phonon Interaction in Phonon Anomalies in Transition Metals.- An Ultrasonic Study of e- Induced Defect Complexes in Dilute Al-Ag and Al-Si Alloys.- Influence of the Velocity Operator on Magnetoresistances in Nondegenerate Semiconductors.- Electron-Phonon Interaction Near the Metal-Insulator Transition of Granular Aluminum.- Ultrasonic Attenuation in Superconducting Aluminum Containing Dislocations.- Phonons and Thermal Nucleation of the Normal State in Superconducting Indium Granules.- III Phonons in Semiconductors.- Phonon-Induced Electrical Conductance in Semiconductors.- Phonon Scattering by Cr Ions in GaP and InP.- Shallow Impurity Levels in Chalcogen-Doped Silicon as Obtained from Phonon-Induced Electrical Conductivity.- Acoustic Losses Due to Vanadium in Gallium Arsenide.- Acoustic Properties of n-Type Ge with Donor Pairs.- Heat Pulse Attenuation and Magnetothermal Resistance in Li-doped Si.- Acoustic Paramagnetic Resonance of Ni in GaAs.- Ultrasonic Detection of Interstitial Aluminum in Silicon.- Phonon Spectroscopy of Iron Doped InP.- Ultrasonic Velocity and Electrical Conductivity in p-InSb at Low Temperatures and High Magnetic Fields.- Magnetic Field Dependence of Sound Velocity in Sb-doped Ge.- Ultrasonic Second-Harmonic Generation in n-Type Piezoelectric Semiconductors.- Phonon Stopbands in Amorphous Superlattices.- IV Thin Films, Surfaces and Thermalization.- Phonon Scattering at Crystal Surfaces by In Situ Deposited Gas Films.- Investigation of the Non-Equilibrium Distribution Function of Acoustic Phonons and Thermal Conductivity of Very Thin Ge Layers.- Mechanism of Nanosecond Heat Pulse Generation in Metallic Thin Films.- Phonon Spectroscopy of Adsorbed H2O Molecules.- Thermalization of Ballistic Phonon Pulses in Dielectric Crystals Below 1K Using Time-Resolved Thermometry.- How Specular are Polished Crystal Surfaces?.- Phonon Thermalization at Al2O3 Surfaces.- Investigation of the Sound Velocity of Very Thin Metal Films.- Surface Modes and Surface Reconstruction in Diamond-Type Crystal Lattices.- Measurements of Relaxation Time of Sodium Ions in Sputtered Thi