<p><p>Diffusion in solids at moderate temperatures is a well-known phenomenon. However, direct experimental evidence about the responsible atomic-scale mechanisms has been scarce, due to difficulties in probing the relevant length- and time-scales. The present thesis deals with the application of X-
Atomic Diffusion in Glasses Studied with Coherent X-Rays
โ Scribed by Manuel Ross (auth.)
- Publisher
- Springer International Publishing
- Year
- 2016
- Tongue
- English
- Leaves
- 124
- Series
- Springer Theses
- Edition
- 1
- Category
- Library
No coin nor oath required. For personal study only.
โฆ Synopsis
This thesis provides the first successful study of jump diffusion processes in glasses on the atomic scale, utilizing a novel coherent technique. This new method, called atomic-scale X-ray Photon Correlation Spectroscopy or aXPCS, has only recently been proven to be able to capture diffusion processes with atomic resolution in crystal systems.
With this new toolkit for studying atomic diffusion in amorphous systems, new insight into basic processes in a wide range of technically relevant materials, like fast ionic conductors, can be obtained.
โฆ Table of Contents
Front Matter....Pages i-xviii
Introduction....Pages 1-12
Theory....Pages 13-36
Experimental....Pages 37-54
Data Analysis....Pages 55-65
Proof of Concept: Direct Observation of Atomic Diffusion in Glasses....Pages 67-80
Practical Application: Tailoring Fast Ionic Diffusion....Pages 81-97
Conclusion....Pages 99-101
Back Matter....Pages 103-111
โฆ Subjects
Spectroscopy and Microscopy; Ceramics, Glass, Composites, Natural Methods; Condensed Matter Physics
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