Recent advances in science and technology of materials : [proceedings]

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書誌事項

Recent advances in science and technology of materials : [proceedings]

Edited by Adli Bishay

Plenum Press, c1974

  • v. 1
  • v. 2
  • v. 3

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注記

The proceedings of the Second Cairo Solid State Conference held in Cairo, Egypt, April 21-26, 1973

Includes bibliographical references

Includes index

内容説明・目次

巻冊次

v. 1 ISBN 9780306376917

内容説明

If an ion in a crystal is replaced by an impurity ion with a different charge, compensation for the charge difference must be accomplished. This is usually done by an intrinsic defect, i. e. a lattice vacancy or interstitial host ion, in such a way to balance the excess or deficit of charge. The introduction of cation vacan- cies along with divalent cation impurities in alkali halides is a familiar example. If these crystals are carefully annealed, nearly all of the compensating defects migrate to the impurity ions to form impurity-defect complexes. It is the behavior of these complexes that are the principal concern in this paper. Almost invariably such complexes are dipolar in character, and when subjected to an electric or mechanical stress field, they will tend to realign to an orienta- tion of lower energy provided the thermal activation is sufficiently great. If the complex consists of an impurity-vacancy couple, re- orientation may occur either by the vacancy moving around the impu- rity or by an exchange of positions of the partners. In general the activation energy for these two distinct reorientation paths is different. If the complex consists of an impurity-interstitial couple, interchange of positions is unlikely and reorientation is considered to occur exclusively by the motion of the interstitial around the vacancy.

目次

of Volume 1.- Defects in Solids.- Kinetics of Defect Formation in Alkali Halides at Helium Temperatures.- Relaxation of Impurity-Defect Complexes in Fluorite Crystals.- Intrinsic Point Defects in Oxides with the Rutile Structure.- The Capture of Electrons by Negatively Charged Impurity Atoms in n-Type Germanium.- Radiation Defects in Heavily Irradiated GaAs.- Electrical Properties.- The Problem of Chemical Inhomogeneities in Electronic Materials.- A Review of the Electrical Properties and Microstructure of Vanadium Phosphate Glasses.- Electrical Switching in Calcium Phosphate Glasses Containing Iron.- Role of Iron and Electrical Conductivity in Iron Calcium Phosphate Glasses.- Properties of Simultaneously Sputtered Thin Metal Films.- Indirect Exciton with Degenerate Valence Band in the Two-Photon Absorption in Semiconductors.- Structure of Chalcogenide Glasses.- Effect of Heat Treatment on Electrical Properties and Structure of As-Te-Ge Chalcogenide Thin Films.- Application of Avrami's Equation to the Conductivity Changes of Amorphous Selenium.- Electrical Properties of Quenched Sn02 Films on Glass Substrates.- Physical Properties of Sputtered Amorphous Germanium Thin Films: The Role of Technological Parameters.- Magnetic Properties.- Some Recent Results on Paramagnetic Spin-Lattice Relaxation in Hydrated Paramagnetic Salts of the Iron Group.- ESR and Optical Studies of Induced Centres in Binary Silver and Alkali Borate Glasses.- ESR and Structural Studies on Pseudo-Alexandrite.- Magnetic and X-Ray Crystallographic Studies of a Series of Nitrosodisulphonates and Hydroxylamine-N, N-Disulphonates.- Radiation Effects.- Development of Materials for Energy-Related Applications.- Problem Areas in the First-Wall Materials of a Controlled Thermonuclear Reactor.- Simulation of 14-MeV Neutron Damage to Potential CTR Materials.- Deformation Luminescence of Irradiated CsI (Tl) Crystals.- A Bond-Type Criterion to Predict Bombardment-Induced Structure Changes in Non-Metallic Solids.- Chemistry.- Surface Area and Pore Structure of Low-Porosity Cement Pastes.- Adsorptive Behaviour of Alkali and Alkaline-Earth Cations onto Quartz.- Adsorption of Some Starches on Particles of Spar Minerals.- Sintering of Cobalt-Molybdenum Oxide Films on Alumina Supports.- Properties of Anodized Zinc in Alkaline Solutions.- of Volume 2.- of Volume 3.
巻冊次

v. 2 ISBN 9780306376924

内容説明

It is generally accepted that. fused BZ03 is composed of B0 3 triangles. These triangles are joined togetner randomly, forming l the glass network. I.R. studies and x-ray diffraction studies on pure BZ03 glass indicated clearly that these triangles are joined together forming boroxole groups. These groups are joined together forming the random network. It is also accepted that addition of alkali oxides to boron oxide results in a glassy network in \

目次

of Volume 2.- Polymers.- Environmental Crazing and Fracture of Polymers in Nitrogen, Argon, and Helium.- Electrical Behaviour of Irradiated Polymers.- The Effect of Polar Groups on the Post-Irradiation Conductivity of Polystyrene.- Glass.- Redox Reactions and the Colours of Ancient Glasses.- Some Materials Problems in the Design of Glass Fiber Optical Waveguides.- Optical Absorption Characteristics of Copper Ions in Some Binary Alkali Borate Glasses.- Optical Absorption Produced by Silver Particles in Glass and by Sodium Particles in a Sodium Chloride Matrix.- Structural Changes in Borate Glasses.- Some Properties of Photochromic Borosilicate Glass.- On the Interpretation of the Vibrational Spectra of Vitreous Silica and Alkali Silicates.- The Rheology of Alkali Borate Glasses.- The Influence of Microstructure on Glass Strength.- Mechanical Properties and Microstructure of Glass Ceramics and Phase Separated Glasses.- Static Fatigue in Glass.- Relief of Residual Stresses in Glasses by Application of Ultrasonic Energy.- Composites and Ceramics.- Anomalous Hall Effect in the Spinel System CuxNil-xFe2O4.- Some Physical and Mechanical Properties of Iron Calcium Borate-Aluminium Composites.- The Application of Composite Materials for Prosthetic Devices.- Thermally Induced Stresses in Laminated Fiber Composites.- Preparation and Mechanical Properties of Aluminium-Silicon Composites.- ?-Alumina Ceramics.- Metallurgy.- Lattice Defects and Their Role in the Pre-Precipitation Process in Al Alloys.- Effect of Large Undercooling on Alloy Properties.- Some Metallurgical Aspects of Phase Transformation Mechanism in Uranium-Ruthenium Alloys.- Measurement of the Thermal Expansivity of Ag and Some Ag-In Alloys by High Temperature X-Ray Diffraction Camera.- Corrosion of Molybdenum by Molten Antimony.- A Comparative Study of the Corrosion Behaviour of Steel in Neutral and Alkaline Media.- The Parametrization of the Fermi Surfaces of Certain b.c.c. Transition and Rare-Earth Metallic Elements.- Effects of the Friction Temperature on Steels During Sliding Tests.- The Effect of Composition and Temperature on the Mechanical Behaviour of Aluminium-Copper Alloys.- Effect of Fast Neutron Irradiation on the Mechanical Properties of Some Zirconium Alloys and Stainless Steels.- On the Final Size of G. P. Zones in Al-Zn 10% Alloy During Isothermal Ageing.- Crystalline Effects on the Total Thermal Neutron Cross Section of Chromium and Zirconium.- Neutron Diffraction Study of ErFe2.- of Volume 1.- of Volume 3.

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