Výsledky vyhledávání - "Mikako Makita"

Akademický článek

Comparing single-shot damage thresholds of boron carbide and silicon at the European XFEL

Autor: Marziyeh Tavakkoly, Jaromir Chalupsky, Vera Hajkova, Wolfgang Hillert, Simon Jelinek, Libor Juha, Mikako Makita, Tommaso Mazza, Michael Meyer, Jacobo Montano, Harald Sinn, Vojtech Vozda, Maurizio Vannoni

Publikováno v: Journal of Synchrotron Radiation, Vol 31, Iss 5, Pp 1067-1070 (2024)

Xray free-electron lasers (XFELs) enable experiments that would have been impractical or impossible at conventional X-ray laser facilities. Indeed, more XFEL facilities are being built and planned, with their aim to deliver larger pulse energies and

Externí odkaz: https://doaj.org/article/6bad286d34f34c92a4fe1eba765553c6

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Akademický článek

(Sub-)Picosecond Surface Correlations of Femtosecond Laser Excited Al-Coated Multilayers Observed by Grazing-Incidence X-ray Scattering

Publikováno v: Nanomaterials, Vol 14, Iss 12, p 1050 (2024)

Femtosecond high-intensity laser pulses at intensities surpassing 1014 W/cm2 can generate a diverse range of functional surface nanostructures. Achieving precise control over the production of these functional structures necessitates a thorough under

Externí odkaz: https://doaj.org/article/3dfb9b6f4d7a4c90931d36c3e823ca0c

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Akademický článek

Ion emission from warm dense matter produced by irradiation with a soft x-ray free-electron laser

Publikováno v: Matter and Radiation at Extremes, Vol 9, Iss 1, Pp 016602-016602-14 (2024)

We report on an experiment performed at the FLASH2 free-electron laser (FEL) aimed at producing warm dense matter via soft x-ray isochoric heating. In the experiment, we focus on study of the ions emitted during the soft x-ray ablation process using

Externí odkaz: https://doaj.org/article/e22751757963401395f172acdd53d731

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Akademický článek

Direct LiF imaging diagnostics on refractive X-ray focusing at the EuXFEL High Energy Density instrument

Publikováno v: Journal of Synchrotron Radiation, Vol 30, Iss 1, Pp 208-216 (2023)

The application of fluorescent crystal media in wide-range X-ray detectors provides an opportunity to directly image the spatial distribution of ultra-intense X-ray beams including investigation of the focal spot of free-electron lasers. Here the cap

Externí odkaz: https://doaj.org/article/7d3a0719c0d44555bdab063732328c14

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Akademický článek

Structural and electron spin state changes in an x-ray heated iron carbonate system at the Earth's lower mantle pressures

Publikováno v: Physical Review Research, Vol 4, Iss 3, p 033042 (2022)

The determination of the spin state of iron-bearing compounds at high pressure and temperature is crucial for our understanding of chemical and physical properties of the deep Earth. Studies on the relationship between the coordination of iron and it

Externí odkaz: https://doaj.org/article/124778482b2146ca923747c86b8d4890

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Akademický článek

Nanoscale subsurface dynamics of solids upon high-intensity femtosecond laser irradiation observed by grazing-incidence x-ray scattering

Publikováno v: Physical Review Research, Vol 4, Iss 3, p 033038 (2022)

Observing ultrafast laser-induced structural changes in nanoscale systems is essential for understanding the dynamics of intense light-matter interactions. For laser intensities on the order of 10^{14}W/cm^{2}, highly collisional plasmas are generate

Externí odkaz: https://doaj.org/article/7608e9a8c2a54acfa105aa6da5865677

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Akademický článek

Limitations of Structural Insight into Ultrafast Melting of Solid Materials with X-ray Diffraction Imaging

Autor: Victor Tkachenko, Malik M. Abdullah, Zoltan Jurek, Nikita Medvedev, Vladimir Lipp, Mikako Makita, Beata Ziaja

Publikováno v: Applied Sciences, Vol 11, Iss 11, p 5157 (2021)

In this work, we analyze the application of X-ray diffraction imaging techniques to follow ultrafast structural transitions in solid materials using the example of an X-ray pump–X-ray probe experiment with a single-crystal silicon performed at a Li

Externí odkaz: https://doaj.org/article/e9d7f588cc364413bc8e418848ac9826

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Akademický článek

Single-shot Monitoring of Ultrafast Processes via X-ray Streaking at a Free Electron Laser

Autor: Michele Buzzi, Mikako Makita, Ludovic Howald, Armin Kleibert, Boris Vodungbo, Pablo Maldonado, Jörg Raabe, Nicolas Jaouen, Harald Redlin, Kai Tiedtke, Peter M. Oppeneer, Christian David, Frithjof Nolting, Jan Lüning

Publikováno v: Scientific Reports, Vol 7, Iss 1, Pp 1-8 (2017)

Abstract The advent of x-ray free electron lasers has extended the unique capabilities of resonant x-ray spectroscopy techniques to ultrafast time scales. Here, we report on a novel experimental method that allows retrieving with a single x-ray pulse

Externí odkaz: https://doaj.org/article/808baa3f823841bd96697911e838a496

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Akademický článek

Demonstration of femtosecond X-ray pump X-ray probe diffraction on protein crystals

Publikováno v: Structural Dynamics, Vol 5, Iss 5, Pp 054303-054303-15 (2018)

The development of X-ray free-electron lasers (XFELs) has opened the possibility to investigate the ultrafast dynamics of biomacromolecules using X-ray diffraction. Whereas an increasing number of structures solved by means of serial femtosecond crys

Externí odkaz: https://doaj.org/article/037cf6dcdaae40e097c2329944107884

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