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2025-03-18
13:01
arXiv [PUBDB-2025-01084] Journal Article
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Texture tomography with high angular resolution utilizing sparsity
[arXiv:2407.11022]
We demonstrate a novel approach to the reconstruction of scanning probe x-ray diffraction tomography data with anisotropic poly crystalline samples. The method involves reconstructing a voxel map containing an orientation distribution function in each voxel of an extended 3D sample. [...]
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2025-03-17
19:38
[PUBDB-2025-01081] Journal Article
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Revealing the Mechanism and Kinetics of $Fe_5C_2$ Formation From Ferrous Oxalate under $CO_2$ Fischer‐Tropsch Conditions Using Time‐Resolved In Situ X‐Ray Absorption Spectroscopy
Chemistry methods 5, e202400058 () [10.1002/cmtd.202400058]  GO
The fundamentals of in situ formation of iron carbides are required for the tailored design of Fe-based catalysts for the efficient conversion of CO2 to higher hydrocarbons. Herein, time-resolved in situ X-ray absorption spectroscopy has been used to elucidate the mechanism of the formation of Fe5C2 from ferrous oxalate (FeC2O4) at 350 °C using a H2/CO=3 reaction feed. [...]
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2025-03-17
16:54
[PUBDB-2025-01079] Dissertation / PhD Thesis

Studies on ultrafast dynamics in correlated electron systems with time- and angle-resolved photoemission spectroscopy
Hamburg 102 pp. () = Dissertation, University of Hamburg, 2024  GO
Angle-resolved photoemission spectroscopy (ARPES) is a potent technique for studying the electronic band structure of condensed matter. The use of the pump-probe technique extends ARPES into the time domain, allowing the electron dynamics to be observed on an ultrafast timescale. [...]
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2025-03-17
14:07
arXiv [PUBDB-2025-01077] Journal Article
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Prospects for measurements of the longitudinal proton structure function FL at the Electron Ion Collider
[DESY-24-218; arXiv:2412.16123]
We explore the potential for extracting the longitudinal proton structure function FL at the future Electron Ion Collider (EIC) through a Rosenbluth separation method. The impacts of differing assumptions on sample sizes, systematic uncertainties, and beam energy scenarios are investigated. [...]
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2025-03-17
13:52
[PUBDB-2025-01076] Journal Article
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Heat treatment effect on microstructural evolution of cold spray additive manufacturing Ti6Al4V
Cold spray additive manufacturing (CSAM) has great industrial potential due toits high deposition rate and the possibility of building metallic alloys and compositeparts once the process is conducted in a solid state, preserving many rawmaterials properties. A material highly studied for CSAM is the Ti6Al4V alloy,which is used in medical implants and aeronautical structural components. [...]
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2025-03-17
09:32

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2025-03-17
09:28

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2025-03-17
09:20

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2025-03-17
09:19

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2025-03-15
10:33

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