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cond-mat.mtrl-sci2025
X-ray Strain and Stress Tensor Tomography
Peter Modregger, James. A. D. Ball, Felix Wittwer +2
The microscopic distribution of strain and stress plays a crucial role for the performance, safety, and lifetime of components in aeronautics, automotive and critical infrastructur…
cond-mat.mtrl-sci2024
Texture tomography with high angular resolution utilizing sparsity
Mads Carlsen, Florencia Malamud, Peter Modregger +5
We demonstrate a novel approach to the reconstruction of scanning probe x-ray diffraction tomography data with anisotropic poly crystalline samples. The method involves reconstruct…
cond-mat.mtrl-sci2024
Measurements of dislocations in 4H-SiC with rocking curve imaging
Ahmar Khaliq, Felix Wittwer, Niklas Pyrlik +9
4H Silicon Carbide (4H-SiC) combines many attractive properties such as a high carrier mobility, a wide bandgap, and a high thermal conductivity, making it an ideal candidate for h…