Coherence 2024

Session

Coherent Diffraction Imaging with X-rays

CDI 1

18 Jun 2024, 09:00

Clarion Hotel Sea U, Helsingborg

138. Chair

Filipe Maia (Uppsala University)

18/06/2024, 09:00

123. Ultrafast Polaronic Lattice Distortions using Time-resolved Coherent Diffraction Imaging

Hyunjung Kim (Sogang University)

18/06/2024, 09:05

Invited speaker

The recent advance of X-ray free electron laser (XFEL) opens the area of ultrafast structural dynamics with a few tens of femtoseconds time resolution due to its unique characteristics of X-rays. XFEL makes it possible to obtain critical information on the intermediate states or pathways during the phase transformation, which only measures the initial and final states with many existing...

5. Structured probes for BCDI: Toward the imaging of dynamic and distorted crystals

Irene Calvo (University of Zaragoza (Spain))

18/06/2024, 09:35

Oral

This work proposes speckle Bragg coherent diffraction imaging (spBCDI), a new approach to improve the time-resolution in BCDI microscopy. The method uses structured (or speckled) illumination to induce a convolution of the 3D frequency content associated with the nano-sized crystal with a broad kernel, acting partially along the rocking-curve (RC) direction. Such a convolution encodes 3D...

85. Time-resolved Bragg coherent diffraction imaging of Pd nanoparticles during in situ acetylene hydrogenation

Dr Michael Grimes (CEA Grenoble)

18/06/2024, 09:55

Oral

The study of nanoparticle (NP) assisted chemical reactions is important for the development of efficient catalyst materials for a wide range of environmental and energy applications [1]. Such studies are primarily focused on the role of surface sites - whether on particle facets or vertices. The rate and efficiency of heterogeneous catalysis is dependent on these distinct adsorption energies...

79. Single-Shot Imaging and Phase Retrieval of Void-Shockwave Dynamics in Extreme Conditions

Daniel S. Hodge (Brigham Young University (BYU))

18/06/2024, 10:15

Oral

The recent accomplishment of a 3.88 MJ yield in 2023 along with subsequent successes at the National Ignition Facility (NIF), indicates a transformative era in Inertial Fusion Energy (IFE) research. This milestone showcases nuclear fusion’s potential as a sustainable, safe, and virtually inexhaustive source of energy, positioning it as a promising solution to meet the world’s growing energy...