The Physics of Selenium and Tellurium

I. Bands and Bonds in Se and Te.- The Electronic Structure of Crystalline Phases of Se and Te.- Charge and Momentum Density, and Compton Profile of Se and Te.- Self-consistent Ground State of Trigonal Tellurium.- Mössbauer Study of Tellurium at High Pressure.- Electronic Structure of Trigonal and Amorphous Se and Te and the Non-Empirical Calculation of Structural Properties..- Dielectric Matrix Calculations in Helical Chain Semiconductors.- II. Lattice Dynamics of Trigonal Se and Te.- Homology of Phonons in Se and Te.- Lattice Dynamics of Trigonal Selenium and Tellurium - State of the Art..- Phonon Dispersion Calculations for Trigonal Selenium..- Comparison of the Phonon Density of States of Trigonal, Vitreous, and Red Amorphous Selenium..- Specific Heat and Thermal Conductivity of Trigonal and Vitreous Selenium in the Temperature Range 3-300 K..- Low Temperature Specific Heat and Elastic Constants of Trigonal Selenium..- Surface Lattice Dynamics of Trigonal Se and Te: Mean Square Displacement Spectra in the Long-Wavelength Limit..- III. Bandstrueture in the Neighbourhood of the Gap of Trigonal Se and Te.- Optical Activity, De Haas-Van Alphen-Oscillations and Conduction Band Parameters of Tellurium..- Optical Properties of Tellurium Under High Pressure.- Electron Cyclotron Resonance in Te at Very High Magnetic Fields.- Pressure Influence on the Intervalence Band Absorption in Te.- "Circular" Photogalvanic Effect in Optically Active Crystals.- Submillimeter Cyclotron Resonance in Uniaxially Stressed Tellurium.- Identification of the Indirect Transition in Trigonal Selenium.- IV. Imperfections and Impurities in Te.- Dislocations in Te-Influence on Galvanomagnetic Properties.- Pressure Effect on the Impurity State and Impurity Conduction in Tellurium..- SecondHarmonic Generation and Propagation of CO2 Laser Radiation in Strained and Unstrained Tellurium Crystals..- Impurity Spectroscopy on Tellurium..- V. Transport Phenomena in Trigonal Se and Te.- Two Types of Carriers in Tellurium..- Acoustoelectric Current Saturation on Trigonal Se and SexTe1-x Single Crystals..- Magnetoresistance of Trigonal Selenium..- Low-Frequency Coupled Photocurrent and Temperature Oscillation in Polycrystalline Selenium Samples..- VI. The Amorphous, Glassy, and Liquid State.- Selenium, the Amorphous and Liquid States.- Localized Electronic States in Glassy Se.- Bonding Coordination Defects in Selenium.- Raman Spectral Studies on the Crystallization Processes of Amorphous and Liquid States in Se and Te.- VII. Photoelectric and Transport Phenomena in Amorphous Systems.- Photoelectronic Behavior of a-Se and some a-Se:As Alloys in Their Glass Transition Regions..- Localized States in the Gap of Amorphous Selenium..- Influence of Wavelength on the Optical Quenching of Photoconductivity in Amorphous Selenium Films.- Electronic Transport Properties and Equation of State of Selenium at Temperatures up to 1900 K and Pressures up to 1800 bars.- VIII. Crystalline and Amorphous As2Se3.- Chemical Bonds and Electronic States in Monoclinic As2Se3.- Transient Electrical Transport in a-As2Se3, a-Se, a-Si, and a-SiO2.- IX. Preparation and Application.- Fabrication and Characteristics of Te-Se-Cd Structures.- The Application of Selenium and Its Alloys to Xerography..- Growth of Tellurium and Selenium-Tellurium Crystals by the Czochralski Method.- Photo-Crystallization of Amorphous Se1-xTex Films..- Time Evolution of Photovoltaic Effect at Tellurium-Metal Thin Film Contacts..- On Stress-Relief Appearance Conditions in Te-Ag and Te-Bi Thin Film Systems..- Index of Contributors.