Zobrazeno 1 - 10
of 111
pro vyhledávání: '"Grübel S"'
Autor:
Schlotter B., Rajkovic I., Radcliffe P., Quevedo W., Odelius M., Nordlund D., Meyer M., Mazza T., Leitner T., Kunnus K., Kennedy B., Josefsson I., Hennies F., Hartsock R., Grübel S., Gaffney K., Düsterer S., de Groot F., Beye M., Wernet Ph., Scholz M., Schreck S., Suljoti E., Techert S., Turner J., Weniger C., Zhang W., Föhlisch A.
Publikováno v:
EPJ Web of Conferences, Vol 41, p 05025 (2013)
We determine the pathways in the photo-dissociation reactions of Fe(CO)5 both in the gas phase and in solution by mapping the valence electronic structure of the reaction intermediates with femtosecond X-ray laser spectroscopy.
Externí odkaz:
https://doaj.org/article/f35907438d504ff286e4d5a7e61bd4a2
Autor:
Neugebauer, M. J., Huber, T., Savoini, M., Abreu, E., Esposito, V., Kubli, M., Rettig, L., Bothschafter, E., Grübel, S., Kubacka, T., Rittmann, J., Ingold, G., Beaud, P., Dominko, D., Demsar, J., Johnson, S. L.
Publikováno v:
Phys. Rev. B 99, 220302 (2019)
Femtosecond time-resolved x-ray diffraction is employed to study the dynamics of the periodic lattice distortion (PLD) associated with the charge-density-wave (CDW) in K0.3MoO3. Using a multi-pulse scheme we show the ability to extend the lifetime of
Externí odkaz:
http://arxiv.org/abs/1902.00388
Autor:
Porer, M., Fechner, M., Bothschafter, E., Rettig, L., Savoini, M., Esposito, V., Rittmann, J., Kubli, M., Neugebauer, M. J., Abreu, E., Kubacka, T., Huber, T., Lantz, G., Parchenko, S., Grübel, S., Paarmann, A., Noack, J., Beaud, P., Ingold, G., Aschauer, U., Johnson, S. L., Staub, U.
Publikováno v:
Phys. Rev. Lett. 121, 055701 (2018)
The ultrafast dynamics of the octahedral rotation in Ca:SrTiO3 is studied by time resolved x-ray diffraction after photo excitation over the band gap. By monitoring the diffraction intensity of a superlattice reflection that is directly related to th
Externí odkaz:
http://arxiv.org/abs/1805.00580
Autor:
Laulhé, C., Huber, T., Lantz, G., Ferrer, A., Mariager, S. O., Grübel, S., Rittmann, J., Johnson, J. A., Esposito, V., Lübcke, A., Huber, L., Kubli, M., Savoini, M., Jacques, V. L. R., Cario, L., Corraze, B., Janod, E., Ingold, G., Beaud, P., Johnson, S. L., Ravy, S.
Publikováno v:
Phys. Rev. Lett. 118, 247401 (2017)
Femtosecond time-resolved X-ray diffraction is used to study a photo-induced phase transition between two charge density wave (CDW) states in 1T-TaS$_2$, namely the nearly commensurate (NC) and the incommensurate (I) CDW states. Structural modulation
Externí odkaz:
http://arxiv.org/abs/1703.07465
Autor:
Grübel, S., Johnson, J. A., Beaud, P., Dornes, C., Ferrer, A., Haborets, V., Huber, L., Huber, T., Kohutych, A., Kubacka, T., Kubli, M., Mariager, S. O., Rittmann, J., Saari, J. I., Vysochanskii, Y., Ingold, G., Johnson, S. L.
Intense, few-cycle pulses in the terahertz frequency range have strong potential for schemes of control over vibrational modes in solid-state materials in the electronic ground-state. Here we report an experiment using single cycle terahertz pulses t
Externí odkaz:
http://arxiv.org/abs/1602.05435
Autor:
Johnson, Jeremy A., Kubacka, T., Hoffmann, M. C., Vicario, C., de Jong, S., Beaud, P., Gruebel, S., Huang, S. -W., Huber, L., Windsor, Y. W., Bothschafter, E. M., Rettig, L., Ramakrishnan, M., Alberca, A., Patthey, L., Chuang, Y. -D., Turner, J. J., Dakovski, G. L., Lee, W. -S., Minitti, M. P., Schlotter, W., Moore, R. G., Hauri, C. P., Koohpayeh, S. M., Scagnoli, V., Ingold, G., Johnson, S. L., Staub, U.
Publikováno v:
Physical Review B 92, 184429 (2015)
We performed ultrafast time-resolved near-infrared pump, resonant soft X-ray diffraction probe measurements to investigate the coupling between the photoexcited electronic system and the spin cycloid magnetic order in multiferroic TbMnO3 at low tempe
Externí odkaz:
http://arxiv.org/abs/1507.06628
Autor:
Rettig, L., Mariager, S. O., Ferrer, A., Grübel, S., Johnson, J. A., Rittmann, J., Wolf, T., Johnson, S. L., Ingold, G., Beaud, P., Staub, U.
Publikováno v:
Phys. Rev. Lett. 114, 067402 (2015)
Using femtosecond time-resolved x-ray diffraction we investigate the structural dynamics of the coherently excited A1g phonon mode in the Fe-pnictide parent compound BaFe2As2. The fluence dependent intensity oscillations of two specific Bragg reflect
Externí odkaz:
http://arxiv.org/abs/1411.0718
Autor:
Mariager, S. O., Dornes, C., Johnson, J. A., Ferrer, A., Grübel, S., Huber, T., Caviezel, A., Johnson, S. L., Eichhorn, T., Jakob, G., Elmers, H. J., Beaud, P., Quitmann, C., Ingold, G.
Magnetic shape memory Heusler alloys are multiferroics stabilized by the correlations between electronic, magnetic and structural order. To study these correlations we use time resolved x-ray diffraction and magneto-optical Kerr effect experiments to
Externí odkaz:
http://arxiv.org/abs/1405.6534
Autor:
Mansart, B., Cottet, M. J. G., Mancini, G. F., Jarlborg, T., Dugdale, S. B., Johnson, S. L., Mariager, S. O., Milne, C. J., Beaud, P., Grübel, S., Johnson, J. A., Kubacka, T., Ingold, G., Prsa, K., Rønnow, H. M., Conder, K., Pomjakushina, E., Chergui, M., Carbone, F.
Publikováno v:
Physical Review B 88, 054507 (2013)
The strength of the electron-phonon coupling parameter and its evolution throughout a solid's phase diagram often determines phenomena such as superconductivity, charge- and spin-density waves. Its experimental determination relies on the ability to
Externí odkaz:
http://arxiv.org/abs/1401.4072
Autor:
Laulhé, C., Cario, L., Corraze, B., Janod, E., Huber, T., Lantz, G., Boulfaat, S., Ferrer, A., Mariager, S.O., Johnson, J.A., Grübel, S., Lübcke, A., Ingold, G., Beaud, P., Johnson, S.L., Ravy, S.
Publikováno v:
In Physica B: Physics of Condensed Matter 1 March 2015 460:100-104