Effects Related to Isotopic Disorder in Solids

  • Vladimir Plekhanov
Part of the Springer Series in Materials Science book series (SSMATERIALS, volume 162)


Interest in diffusion is as old as metallurgy or ceramics. The first measurement of diffusion in the solid state was made by Roberts-Austen [1]. Many measurements, especially of chemical diffusion in metals, were made in the 1930s; the field was reviewed by Jost [2] and Seith [3]. Diffusion research increased after World War II; the increase was motivated by the connection among diffusion, defects and radiation damage and helped by the availability of many artificial radiotracers. These researchers were the first to attempt to identify the basic underlying atomistics mechanisms responsible for mass transport through solids by a quantitative investigations and theoretical analysis of the activation energies required for diffusion by exchange, interstitial and vacancy mechanisms in solids. Prior to this time, there had been little concern with treating diffusional phenomena on a microscopic basis, and most research was concerned with fairly crude observation of overall bulk transfer processes at junctions between regions with strong compositional differences. It was at this time that suggestions on how to carry out high precision, highly reproducible diffusion experiments were first put forward [4, 5].


Heat Capacity Lattice Constant Diffusion Equation Thermal Expansion Coefficient Debye Temperature 
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  1. 1.Mathematics and Physics DepartmentComputer Science CollegeTallinnEstonia

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