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Your search keyword '"Secareanu, Radu-Costin"' showing total 7 results
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7 results on '"Secareanu, Radu-Costin"'

1. Light-induced Trpin/Metout Switching During BLUF Domain Activation in ATP-bound Photoactivatable Adenylate Cyclase OaPAC

Author

Chretien, Anaïs, Nagel, Marius F., Botha, Sabine, de Wijn, Raphaël, Brings, Lea, Dörner, Katerina, Han, Huijong, Koliyadu, Jayanath C.P., Letrun, Romain, Round, Adam, Sato, Tokushi, Schmidt, Christina, Secareanu, Radu-Costin, von Stetten, David, Vakili, Mohammad, Wrona, Agnieszka, Bean, Richard, Mancuso, Adrian, Schulz, Joachim, Pearson, Arwen R., Kottke, Tilman, Lorenzen, Kristina, and Schubert, Robin

Published
2024
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2. Light-induced Trpin/Metout switching during BLUF domain activation in ATP-bound photoactivatable adenylate cyclase OaPAC

Author

Chretien, Anaïs, primary, Nagel, Marius F., additional, Botha, Sabine, additional, de Wijn, Raphaël, additional, Brings, Lea, additional, Dörner, Katerina, additional, Han, Huijong, additional, Koliyadu, Jayanath C. P., additional, Letrun, Romain, additional, Round, Adam, additional, Sato, Tokushi, additional, Schmidt, Christina, additional, Secareanu, Radu-Costin, additional, von Stetten, David, additional, Vakili, Mohammad, additional, Wrona, Agnieszka, additional, Bean, Richard, additional, Mancuso, Adrian, additional, Schulz, Joachim, additional, Pearson, Arwen R., additional, Kottke, Tilman, additional, Lorenzen, Kristina, additional, and Schubert, Robin, additional

Published
2023
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3. Femtosecond x-ray diffraction study of multi-THz coherent phonons in SrTiO3

Author

Shayduk, Roman, Hallmann, Joerg, Rodriguez-Fernandez, Angel, Scholz, Markus, Lu, Wei, Boesenberg, Ulrike, Moeller, Johannes, Zozulya, Alexey, Jiang, Man, Wegner, Ulrike, Secareanu, Radu-Costin, Palmer, Guido, Emons, Moritz, Lederer, Max, Volkov, Sergey, Lindfors-Vrejoiu, Ionela, Schick, Daniel, Herzog, Marc, Bargheer, Matias, Madsen, Anders, Shayduk, Roman, Hallmann, Joerg, Rodriguez-Fernandez, Angel, Scholz, Markus, Lu, Wei, Boesenberg, Ulrike, Moeller, Johannes, Zozulya, Alexey, Jiang, Man, Wegner, Ulrike, Secareanu, Radu-Costin, Palmer, Guido, Emons, Moritz, Lederer, Max, Volkov, Sergey, Lindfors-Vrejoiu, Ionela, Schick, Daniel, Herzog, Marc, Bargheer, Matias, and Madsen, Anders

Abstract

We report generation of ultra-broadband longitudinal acoustic coherent phonon wavepackets in SrTiO3 (STO) with frequency components extending throughout the first Brillouin zone. The wavepackets are efficiently generated in STO using femtosecond infrared laser excitation of an atomically flat 1.6 nm-thick epitaxial SrRuO3 film. We use femtosecond x-ray diffraction at the European X-Ray Free Electron Laser Facility to study the dispersion and damping of phonon wavepackets. The experimentally determined damping constants for multi-THz frequency phonons compare favorably to the extrapolation of a simple ultrasound damping model over several orders of magnitude. (C) 2022 Author(s).

Published
2022

4. Femtosecond x-ray diffraction study of multi-THz coherent phonons in SrTiO3

Author

Shayduk, Roman, primary, Hallmann, Jörg, additional, Rodriguez-Fernandez, Angel, additional, Scholz, Markus, additional, Lu, Wei, additional, Bösenberg, Ulrike, additional, Möller, Johannes, additional, Zozulya, Alexey, additional, Jiang, Man, additional, Wegner, Ulrike, additional, Secareanu, Radu-Costin, additional, Palmer, Guido, additional, Emons, Moritz, additional, Lederer, Max, additional, Volkov, Sergey, additional, Lindfors-Vrejoiu, Ionela, additional, Schick, Daniel, additional, Herzog, Marc, additional, Bargheer, Matias, additional, and Madsen, Anders, additional

Published
2022
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6. Femtosecond x-ray diffraction study of multi-THz coherent phonons in SrTiO3.

Author

Shayduk, Roman, Hallmann, Jörg, Rodriguez-Fernandez, Angel, Scholz, Markus, Lu, Wei, Bösenberg, Ulrike, Möller, Johannes, Zozulya, Alexey, Jiang, Man, Wegner, Ulrike, Secareanu, Radu-Costin, Palmer, Guido, Emons, Moritz, Lederer, Max, Volkov, Sergey, Lindfors-Vrejoiu, Ionela, Schick, Daniel, Herzog, Marc, Bargheer, Matias, and Madsen, Anders

Subjects
FEMTOSECOND pulses, X-ray diffraction, PHONONS, FREE electron lasers, ACOUSTIC phonons, INFRARED lasers, WAVE packets
Abstract

We report generation of ultra-broadband longitudinal acoustic coherent phonon wavepackets in SrTiO3 (STO) with frequency components extending throughout the first Brillouin zone. The wavepackets are efficiently generated in STO using femtosecond infrared laser excitation of an atomically flat 1.6 nm-thick epitaxial SrRuO3 film. We use femtosecond x-ray diffraction at the European X-Ray Free Electron Laser Facility to study the dispersion and damping of phonon wavepackets. The experimentally determined damping constants for multi-THz frequency phonons compare favorably to the extrapolation of a simple ultrasound damping model over several orders of magnitude. [ABSTRACT FROM AUTHOR]

Published
2022
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7. Femtosecond x-ray diffraction study of multi-THz coherent phonons in SrTiO3.

Author

Shayduk, Roman, Hallmann, Jörg, Rodriguez-Fernandez, Angel, Scholz, Markus, Lu, Wei, Bösenberg, Ulrike, Möller, Johannes, Zozulya, Alexey, Jiang, Man, Wegner, Ulrike, Secareanu, Radu-Costin, Palmer, Guido, Emons, Moritz, Lederer, Max, Volkov, Sergey, Lindfors-Vrejoiu, Ionela, Schick, Daniel, Herzog, Marc, Bargheer, Matias, and Madsen, Anders

Subjects
*FEMTOSECOND pulses, *X-ray diffraction, *PHONONS, *FREE electron lasers, *ACOUSTIC phonons, *INFRARED lasers, *WAVE packets
Abstract

We report generation of ultra-broadband longitudinal acoustic coherent phonon wavepackets in SrTiO3 (STO) with frequency components extending throughout the first Brillouin zone. The wavepackets are efficiently generated in STO using femtosecond infrared laser excitation of an atomically flat 1.6 nm-thick epitaxial SrRuO3 film. We use femtosecond x-ray diffraction at the European X-Ray Free Electron Laser Facility to study the dispersion and damping of phonon wavepackets. The experimentally determined damping constants for multi-THz frequency phonons compare favorably to the extrapolation of a simple ultrasound damping model over several orders of magnitude. [ABSTRACT FROM AUTHOR]

Published
2022
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