Zobrazeno 1 - 10
of 44
pro vyhledávání: '"Johannes Hagemann"'
Autor:
Alejandro Laso Garcia, Long Yang, Victorien Bouffetier, Karen Appel, Carsten Baehtz, Johannes Hagemann, Hauke Höppner, Oliver Humphries, Thomas Kluge, Mikhail Mishchenko, Motoaki Nakatsutsumi, Alexander Pelka, Thomas R. Preston, Lisa Randolph, Ulf Zastrau, Thomas E. Cowan, Lingen Huang, Toma Toncian
Publikováno v:
Nature Communications, Vol 15, Iss 1, Pp 1-8 (2024)
Abstract Equation of state measurements at Jovian or stellar conditions are currently conducted by dynamic shock compression driven by multi-kilojoule multi-beam nanosecond-duration lasers. These experiments require precise design of the target and s
Externí odkaz:
https://doaj.org/article/4cf8a683b11946e486d1e005a13966db
Publikováno v:
Journal of Synchrotron Radiation, Vol 31, Iss 4, Pp 916-922 (2024)
Nanotomography with hard X-rays is a widely used technique for high-resolution imaging, providing insights into the structure and composition of various materials. In recent years, tomographic approaches based on simultaneous illuminations of the sam
Externí odkaz:
https://doaj.org/article/0078be23a6de4f3da843e5cba65996f9
Autor:
Isac Lazar, Bharat Mehta, Vendulka Bertschová, Sri Bala Aditya Malladi, Zhe Ren, Srashtasrita Das, Johannes Hagemann, Gerald Falkenberg, Karin Frisk, Anders Mikkelsen, Lars Nyborg
Publikováno v:
European Journal of Materials, Vol 4, Iss 1 (2024)
AbstractAl-alloys incorporating Mn, Cr and Zr, tailored for powder bed fusion-laser beam processes with solubilities three times equilibrium have recently been developed that yield a high strength. Mn and Cr-enriched precipitates that form during pri
Externí odkaz:
https://doaj.org/article/060de5fdc02241d694fbaaeb01e823d7
Autor:
Christina Ossig, Christian Strelow, Jan Flügge, Svenja Patjens, Jan Garrevoet, Kathryn Spiers, Jackson L. Barp, Jr., Johannes Hagemann, Frank Seiboth, Michele De Bastiani, Erkan Aydin, Furkan H. Isikgor, Stefaan De Wolf, Gerald Falkenberg, Alf Mews, Christian G. Schroer, Tobias Kipp, Michael E. Stuckelberger
Publikováno v:
PRX Energy, Vol 3, Iss 2, p 023011 (2024)
Multimodal x-ray microscopy is key to assessing the property-functionality relationships of semiconductor devices with the utmost sensitivity and spatial resolution. Here, we report on a novel setup—the “Analyzer of X-ray excited Optical Luminesc
Externí odkaz:
https://doaj.org/article/aafdc750cc3f4c999cf9cafe66b008ea
Autor:
Giovanni Fevola, Christina Ossig, Mariana Verezhak, Jan Garrevoet, Harvey L. Guthrey, Martin Seyrich, Dennis Brückner, Johannes Hagemann, Frank Seiboth, Andreas Schropp, Gerald Falkenberg, Peter S. Jørgensen, Azat Slyamov, Zoltan I. Balogh, Christian Strelow, Tobias Kipp, Alf Mews, Christian G. Schroer, Shiro Nishiwaki, Romain Carron, Jens W. Andreasen, Michael E. Stuckelberger
Publikováno v:
Advanced Science, Vol 11, Iss 2, Pp n/a-n/a (2024)
Abstract Small voids in the absorber layer of thin‐film solar cells are generally suspected to impair photovoltaic performance. They have been studied on Cu(In,Ga)Se2 cells with conventional laboratory techniques, albeit limited to surface characte
Externí odkaz:
https://doaj.org/article/47a5b53e986041d0b480c3c5db3bebed
Autor:
Silja Flenner, Johannes Hagemann, Felix Wittwer, Elena Longo, Adam Kubec, André Rothkirch, Christian David, Martin Müller, Imke Greving
Publikováno v:
Journal of Synchrotron Radiation, Vol 30, Iss 2, Pp 390-399 (2023)
Full-field X-ray nanoimaging is a widely used tool in a broad range of scientific areas. In particular, for low-absorbing biological or medical samples, phase contrast methods have to be considered. Three well established phase contrast methods at th
Externí odkaz:
https://doaj.org/article/cc7c3aacece14572bbfb2f0d3362f8e0
Autor:
Hannes P Hoeppe, Markus Osterhoff, Atiyeh Aghel Maleki, Juan M Rosselló, Malte Vassholz, Johannes Hagemann, Thea Engler, Daniel Schwarz, Angel Rodriguez-Fernandez, Ulrike Boesenberg, Johannes Möller, Roman Shayduk, Jörg Hallmann, Anders Madsen, Robert Mettin, Tim Salditt
Publikováno v:
New Journal of Physics, Vol 26, Iss 3, p 033002 (2024)
Single bubble sonoluminescence (SBSL) is the phenomenon of synchronous light emission due to the violent collapse of a single spherical bubble in a liquid, driven by an ultrasonic field. During the bubble collapse, matter inside the bubble reaches ex
Externí odkaz:
https://doaj.org/article/9bb35900bebd452f880b6d1be6ad92b7
Autor:
Andreas Wolf, Bernhard Akstaller, Silvia Cipiccia, Silja Flenner, Johannes Hagemann, Veronika Ludwig, Pascal Meyer, Andreas Schropp, Max Schuster, Maria Seifert, Mareike Weule, Thilo Michel, Gisela Anton, Stefan Funk
Publikováno v:
Journal of Synchrotron Radiation, Vol 29, Iss 3, Pp 794-806 (2022)
The advent of hard X-ray free-electron lasers enables nanoscopic X-ray imaging with sub-picosecond temporal resolution. X-ray grating interferometry offers a phase-sensitive full-field imaging technique where the phase retrieval can be carried out fr
Externí odkaz:
https://doaj.org/article/e87bcab2570a416087b72aaee99cc35b
Autor:
Tim Koddenberg, Imke Greving, Johannes Hagemann, Silja Flenner, Andreas Krause, Daniel Laipple, Kim C. Klein, Uwe Schmitt, Max Schuster, Andreas Wolf, Maria Seifert, Veronika Ludwig, Stefan Funk, Holger Militz, Martin Nopens
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-7 (2021)
Abstract Detailed imaging of the three-dimensionally complex architecture of xylary plants is important for studying biological and mechanical functions of woody plants. Apart from common two-dimensional microscopy, X-ray micro-computed tomography ha
Externí odkaz:
https://doaj.org/article/e268ee8dcf3c4df0b472bae781c7475f
Autor:
Sebastian Meyer, Andreas Wolf, Daniela Sanders, Kamila Iskhakova, Hanna Ćwieka, Stefan Bruns, Silja Flenner, Imke Greving, Johannes Hagemann, Regine Willumeit-Römer, Björn Wiese, Berit Zeller-Plumhoff
Publikováno v:
Metals, Vol 11, Iss 9, p 1422 (2021)
Magnesium–silver alloys are of high interest for the use as temporary bone implants due to their antibacterial properties in addition to biocompatibility and biodegradability. Thin wires in particular can be used for scaffolding, but the determinat
Externí odkaz:
https://doaj.org/article/887ed80ed664425cb7e64c591ab71b86