Zobrazeno 1 - 10
of 72
pro vyhledávání: '"renaud delaunay"'
Autor:
Cyril Léveillé, Kewin Desjardins, Horia Popescu, Boris Vondungbo, Marcel Hennes, Renaud Delaunay, Emmanuelle Jal, Dario De Angelis, Matteo Pancaldi, Emanuele Pedersoli, Flavio Capotondi, Nicolas Jaouen
Publikováno v:
Journal of Synchrotron Radiation, Vol 29, Iss 1, Pp 103-110 (2022)
The latest Complementary Metal Oxide Semiconductor (CMOS) 2D sensors now rival the performance of state-of-the-art photon detectors for optical application, combining a high-frame-rate speed with a wide dynamic range. While the advent of high-repetit
Externí odkaz:
https://doaj.org/article/f8ef0c29823949cda40370c0be7ac21a
Autor:
Valentin Chardonnet, Marcel Hennes, Romain Jarrier, Renaud Delaunay, Nicolas Jaouen, Marion Kuhlmann, Nagitha Ekanayake, Cyril Léveillé, Clemens von Korff Schmising, Daniel Schick, Kelvin Yao, Xuan Liu, Gheorghe S. Chiuzbăian, Jan Lüning, Boris Vodungbo, Emmanuelle Jal
Publikováno v:
Structural Dynamics, Vol 8, Iss 3, Pp 034305-034305-9 (2021)
During the last two decades, a variety of models have been developed to explain the ultrafast quenching of magnetization following femtosecond optical excitation. These models can be classified into two broad categories, relying either on a local or
Externí odkaz:
https://doaj.org/article/18a191b2aac9404ba2f9cf6c158371e4
Autor:
Xuan Liu, Emmanuelle Jal, Renaud Delaunay, Romain Jarrier, Gheorghe Sorin Chiuzbaian, Grégory Malinowski, Torsten Golz, Ekaterina Zapolnova, Rui Pan, Nikola Stojanovic, Jan Lüning, Boris Vodungbo
Publikováno v:
Applied Sciences, Vol 12, Iss 3, p 1323 (2022)
Coherent terahertz control of magnetization dynamics is an area of current interest due to its great potential for the realization of magnetization control on ultrafast timescales in commercial devices. Here we report on an experiment realized at the
Externí odkaz:
https://doaj.org/article/adb38af12ac34e08ae16a59c273e54ab
Autor:
Horia Popescu, Franck Fortuna, Renaud Delaunay, Nicolas Jaouen, Carlo Spezzani, Maurizio Sacchi
Publikováno v:
Photonics, Vol 8, Iss 12, p 569 (2021)
We report on the development and implementation of methodologies dedicated to soft X-ray imaging by coherent scattering in reflection mode. Two complementary approaches are tested, based on Fourier transform holography and on ptychography. A new meth
Externí odkaz:
https://doaj.org/article/81bf563e16774d75b168d162ef0a7678
Autor:
Marcel Hennes, Benedikt Rösner, Valentin Chardonnet, Gheorghe S. Chiuzbaian, Renaud Delaunay, Florian Döring, Vitaliy A. Guzenko, Michel Hehn, Romain Jarrier, Armin Kleibert, Maxime Lebugle, Jan Lüning, Gregory Malinowski, Aladine Merhe, Denys Naumenko, Ivaylo P. Nikolov, Ignacio Lopez-Quintas, Emanuele Pedersoli, Tatiana Savchenko, Benjamin Watts, Marco Zangrando, Christian David, Flavio Capotondi, Boris Vodungbo, Emmanuelle Jal
Publikováno v:
Applied Sciences, Vol 11, Iss 1, p 325 (2020)
Ultrashort optical pulses can trigger a variety of non-equilibrium processes in magnetic thin films affecting electrons and spins on femtosecond timescales. In order to probe the charge and magnetic degrees of freedom simultaneously, we developed an
Externí odkaz:
https://doaj.org/article/900350a1dc424752a280c68bc0c0151c
Autor:
Eugenio Ferrari, Carlo Spezzani, Franck Fortuna, Renaud Delaunay, Franck Vidal, Ivaylo Nikolov, Paolo Cinquegrana, Bruno Diviacco, David Gauthier, Giuseppe Penco, Primož Rebernik Ribič, Eleonore Roussel, Marco Trovò, Jean-Baptiste Moussy, Tommaso Pincelli, Lounès Lounis, Michele Manfredda, Emanuele Pedersoli, Flavio Capotondi, Cristian Svetina, Nicola Mahne, Marco Zangrando, Lorenzo Raimondi, Alexander Demidovich, Luca Giannessi, Giovanni De Ninno, Miltcho Boyanov Danailov, Enrico Allaria, Maurizio Sacchi
Publikováno v:
Nature Communications, Vol 7, Iss 1, Pp 1-8 (2016)
Two-colour X-ray free electron laser is a powerful tool for pump–probe measurements, but currently constrained by limited tunability. Here, Ferrari et al. develop a configuration that allows tuning both the pump and the probe to specific electronic
Externí odkaz:
https://doaj.org/article/043673d374094409866091252501fdeb
Autor:
Eugenio Ferrari, Carlo Spezzani, Franck Fortuna, Renaud Delaunay, Franck Vidal, Ivaylo Nikolov, Paolo Cinquegrana, Bruno Diviacco, David Gauthier, Giuseppe Penco, Primož Rebernik Ribič, Eléonore Roussel, Mauro Trovò, Jean-Baptiste Moussy, Tommaso Pincelli, Lounès Lounis, Cristian Svetina, Marco Zangrando, Nicola Mahne, Lorenzo Raimondi, Michele Manfredda, Emanuele Pedersoli, Flavio Capotondi, Alexander Demidovich, Luca Giannessi, Maya Kiskinova, Giovanni De Ninno, Miltcho Boyanov Danailov, Enrico Allaria, Maurizio Sacchi
Publikováno v:
Photonics, Vol 4, Iss 1, p 6 (2017)
The potential of the two-color mode implemented at the FERMI free-electron laser (FEL) source for pumping and probing selectively different atomic species has been demonstrated by time-resolved scattering experiments with permalloy (FeNi alloy) and N
Externí odkaz:
https://doaj.org/article/dc41589ca4134c3ea70ec4f40227d43b
Autor:
Hina Verma, Renaud Delaunay, Jean-Pascal Rueff, Vita Ilakovac, Philippe Jonnard, Karine Le Guen, I. Ismail, Yunlin Jacques Zheng
Publikováno v:
Surface and Interface Analysis
Surface and Interface Analysis, Wiley-Blackwell, 2021, 53 (12), pp.1043-1047. ⟨10.1002/sia.7005⟩
Surface and Interface Analysis, Wiley-Blackwell, 2021, 53 (12), pp.1043-1047. ⟨10.1002/sia.7005⟩
International audience; Hard x-ray emission spectroscopy (XES) has been used to study buried layers and interfaces in a Fe/Si periodic multilayer. Until now, buried layers could be studied using the XES in the soft x-ray range. Here we extend the met
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9615800857e31344e73c674be397d1bd
https://hal.sorbonne-universite.fr/hal-03428877/document
https://hal.sorbonne-universite.fr/hal-03428877/document
Autor:
Emmanuelle Jal, Marcel Hennes, Cyril Léveillé, Nicolas Jaouen, Boris Vodungbo, Renaud Delaunay, Marion Kuhlmann, Gheorghe S. Chiuzbaian, Xuan Liu, Valentin Chardonnet, Daniel Schick, Nagitha Ekanayake, J. Luning, Romain Jarrier, Kelvin Yao, Clemens von Korff Schmising
Publikováno v:
Structural Dynamics
Structural Dynamics, AIP Publishing, 2021, 8 (3), pp.034305. ⟨10.1063/4.0000109⟩
Structural Dynamics, Vol 8, Iss 3, Pp 034305-034305-9 (2021)
Structural dynamics 8(3), 034305 (1-9) (2021). doi:10.1063/4.0000109
Structural Dynamics, AIP Publishing, 2021, 8 (3), pp.034305. ⟨10.1063/4.0000109⟩
Structural Dynamics, Vol 8, Iss 3, Pp 034305-034305-9 (2021)
Structural dynamics 8(3), 034305 (1-9) (2021). doi:10.1063/4.0000109
Structural dynamics 8(3), 034305 (1-9) (2021). doi:10.1063/4.0000109
During the last two decades, a variety of models have been developed to explain the ultrafast quenching of magnetization following femtosecond optical excitation. These models
During the last two decades, a variety of models have been developed to explain the ultrafast quenching of magnetization following femtosecond optical excitation. These models
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::51cc983da6df4456618e034b8c7e120f
https://hal.sorbonne-universite.fr/hal-03407519/document
https://hal.sorbonne-universite.fr/hal-03407519/document
Autor:
B. Pilette, Jonathan Perron, Kewin Desjardins, Franck Fortuna, N. Jaouen, R. Gaudemer, V. Pinty, Renaud Delaunay, R. Vacheresse, Maurizio Sacchi, Horia Popescu, Kadda Medjoubi, Jan Lüning
Publikováno v:
Journal of Synchrotron Radiation
Journal of Synchrotron Radiation, International Union of Crystallography, 2019, 26 (1), pp.280-290. ⟨10.1107/S1600577518016612⟩
Journal of Synchrotron Radiation, International Union of Crystallography, 2019, 26 (1), pp.280-290. ⟨10.1107/S1600577518016612⟩
A new instrument named COMET for COherent Magnetic scattering Experiments in Transmission using polarized soft X-rays has been designed and built. This high-vacuum setup is placed at the intermediate focal point of the elastic branch of the SEXTANTS
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::536bbffd95d890a6838e0c0a546b0719
https://doi.org/10.1107/s1600577518016612
https://doi.org/10.1107/s1600577518016612