Recent Developments in Condensed Matter Physics

Conductor-Insulator Transition in Disordered Solids: A Mode-Coupling Theory.- 4. Amorphous Semiconductors.- Classification of Chemical Ordering in Amorphous and Liquid Semiconductors.- Properties of a Model Structure for Hydrogenated Amorphous Silicon.- Comparison of Irradiation Effects in Vitreous Silica Bombarded by Particles of Different Mass and Energy.- EXAFS of Silica and Silicate Glasses.- Dopant Configurations in a-Se and a-Si.- The Electronic Structure of Silicon Nitride.- Investigations of Hydrogenated Amorphous Silicon by High Resolution NMR of 29Si.- 5. Glasses.- Remanent Magnetization of an Insulating Spin Glass: Eu0.4Sr0.6s.- Electrical Resistivities of FexNi80-xB-18Si2 Alloys.- Thermoelectric Power of Amorphous FexNi80-xB-20 Alloys.- 6. Chalcogenides.- Light Absorption and Photocurrent Oscillations in a-GeSe2 Films.- Some Reflections on Energy Gaps in Amorphous As2Se3 and As2S3.- Electrical Properties of Semiconductors in Presence of Potential Fluctuations. I. High Temperature Range.- Electrical Properties of Semiconductors in Presence of Potential Fluctuations. II. High Electric Field Effect and Low Temperature Range.- Electron Relaxation in Eu3-xGdxS4 by Mössbauer Speccroscopy.- Magnetic Properties of Thalium Chromium Chalcogenides.- n~Type Conduction in Chalcogenide Glasses of the Ge-Se-Bi System.- 7. Surfaces and Interfaces.- Direct and Indirect LCAO Recursion Methods for Surfaces.- Core Level Shake up Structures of N~ Adsorbed on Nickel Surfaces: Cluster Models.- Low Energy Ion Scattering Studies of Sodium Segregation in ZnO.- Formation ofSb- and Bi-Clusters in He-Atmosphere.- SERS from Adsorbed Molecules on Metal Surfaces.- Consequences of Density Gradients on Surface Forces of Interfaces.- An Experimental and Theoretical Study of the Electronic Structure of the W (111) Surface.- High Frequency Response and Conduction Mechanism in Thick-Film (Cermet) Resistors.- Gold-Silicon Interface: Electron Energy Loss and Auger Spectroscopies versus Gold Coverage.- Surface and Interface Acoustic Phonons in Aluminium-Coated Silicon.- Optical Excitation of Quadrupole Plasma Oscillations in Ellipsoidal Particles.- 8. Molecular Crystals.- Factor Group Splitting and Multipole Interactions in Molecular Crystals.- Critical Slowing Down of Orientational Fluctuations and Single Molecule Reorientation Rate at an Order Disorder Transition of a Molecular Crystal.- Positron Annihilation Studies of Vacancies and Polyvacancies in Molecular Crystals.- Brillouin Scattering Study of the Phase Transition of Benzil.- Excitation and Radiative Properties of Surface Exciton States in Organic Molecular Crystal: Experimental Evidences and Quantum Mechanical Interpretation.- Author Index.