Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 7 of 7 for “"beam damage"”.
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Damage Detection Based on the Geometric Interpretation of the Eigenvalue Problem
A method that can be used to detect damage in structures is developed. This method is based on the convexity of the geometric interpretation of the eigenvalue problem for undamped positive definite systems. The damage detection scheme establishes various damage scenarios which are used as failure …
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Advanced Characterization for Studying Ni-rich Cathode Materials for Li-ion Batteries
… the phase segregation formation mechanism, a nanobeam approach was involved. An initial operando experiment by means of scanning x-ray diffraction microscopy was carried out to probe multiple single particles and follow the Li+ heterogenities upon cycling. However, the experiment faced challenges …
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A study of oxide superconductors by electron energy loss spectroscopy in STEM.
… at boundaries in both crushed and ion-beam thinned materials. In the case of the ion-beam thinned materials the problems associated with ion-beam damage during preparation are described with reference to the interpretation of the results. The crystal structure of YBCO is orthorhombic …
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Reconstruction of Rhodium Clusters During CO Oxidation and Consequences on The Reaction Mechanism
… present in this work. First, a high-flux X-ray beam can induce structural change that leads to a reduction of the metal and agglomeration of metal clusters. This finding is very important since X-ray beam damage is uncommon for heterogeneous catalysis as for homogeneous catalysts and biological …
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Probing small organic molecules at the angstrom-scale in the scanning transmission electron microscope
Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2023-12-01
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Exploring the Structural and Optical Response of Halide Perovskites Using High-Energy Electrons
… materials, using high-energy electron-beam microscopy techniques. This work addresses the stability challenge of PSCs from a material science perspective by understanding and controlling their complicated nanostructure. The unique macroscopic properties of lead halide perovskites are …