Search Results - "Kachel, T"

Ultrafast spin transport as key to femtosecond demagnetization by Eschenlohr, A., Battiato, M., Maldonado, P., Pontius, N., Kachel, T., Holldack, K., Mitzner, R., Föhlisch, A., Oppeneer, P. M., Stamm, C.

“…Irradiating a ferromagnet with a femtosecond laser pulse is known to induce an ultrafast demagnetization within a few hundred femtoseconds. Here we demonstrate…”
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Transient ferromagnetic-like state mediating ultrafast reversal of antiferromagnetically coupled spins by Radu, I., Vahaplar, K., Stamm, C., Kachel, T., Pontius, N., Dürr, H. A., Ostler, T. A., Barker, J., Evans, R. F. L., Chantrell, R. W., Tsukamoto, A., Itoh, A., Kirilyuk, A., Rasing, Th, Kimel, A. V.

“…Ferromagnetic surprise The dynamics of spin ordering in magnetic materials is of interest for both fundamental understanding and progress in…”
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Femtosecond modification of electron localization and transfer of angular momentum in nickel by Dürr, H. A, Stamm, C, Kachel, T, Pontius, N, Mitzner, R, Quast, T, Holldack, K, Khan, S, Lupulescu, C, Aziz, E. F, Wietstruk, M, Eberhardt, W

“…The rapidly increasing information density required of modern magnetic data storage devices raises the question of the fundamental limits in bit size and…”
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Two-color synchrotron X-ray spectroscopy based on transverse resonance island buckets by Holldack, K., Schüßler-Langeheine, C., Pontius, N., Kachel, T., Baumgärtel, P., Windsor, Y. W., Zahn, D., Goslawski, P., Koopmans, M., Ries, M.

“…We report on a novel multi-color method of X-ray spectroscopy at a Synchrotron radiation source that uses two simultaneously filled electron orbits in an…”
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Femtosecond undulator radiation from sliced electron bunches by Khan, S, Holldack, K, Kachel, T, Mitzner, R, Quast, T

“…At the 1.7-GeV electron storage ring BESSY II, a first source of synchrotron radiation with 100 fs pulse duration, variable (linear and circular) polarization,…”
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Speed limit of the insulator–metal transition in magnetite by de Jong, S., Kukreja, R., Trabant, C., Pontius, N., Chang, C. F., Kachel, T., Beye, M., Sorgenfrei, F., Back, C. H., Bräuer, B., Schlotter, W. F., Turner, J. J., Krupin, O., Doehler, M., Zhu, D., Hossain, M. A., Scherz, A. O., Fausti, D., Novelli, F., Esposito, M., Lee, W. S., Chuang, Y. D., Lu, D. H., Moore, R. G., Yi, M., Trigo, M., Kirchmann, P., Pathey, L., Golden, M. S., Buchholz, M., Metcalf, P., Parmigiani, F., Wurth, W., Föhlisch, A., Schüßler-Langeheine, C., Dürr, H. A.

“…The insulator-to-metal transition occurring in magnetite is known as the Verwey transition, and its precise mechanism has recently come under renewed…”
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Laser induced ultrafast Gd 4f spin dynamics in Co100-xGdx alloys by means of time-resolved XMCD by Ferté, T., Beens, M., Malinowski, G., Holldack, K., Abrudan, R., Radu, F., Kachel, T., Hehn, M., Boeglin, C., Koopmans, B., Bergeard, N.

“…We have studied the laser induced ultrafast quenching of Gd 4f magnetic order in ferrimagnetic Co 100-x Gd x alloys to highlight the role of the Co 3d–Gd 5d…”
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Laser-pump/X-ray-probe experiments with electrons ejected from a Cu(111) target: space-charge acceleration by Schiwietz, G., Kühn, D., Föhlisch, A., Holldack, K., Kachel, T., Pontius, N.

“…A comprehensive investigation of the emission characteristics for electrons induced by X‐rays of a few hundred eV at grazing‐incidence angles on an atomically…”
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Probing the non-equilibrium transient state in magnetite by a jitter-free two-color X-ray pump and X-ray probe experiment by Pontius, N., Beye, M., Trabant, C., Mitzner, R., Sorgenfrei, F., Kachel, T., Wöstmann, M., Roling, S., Zacharias, H., Ivanov, R., Treusch, R., Buchholz, M., Metcalf, P., Schüßler-Langeheine, C., Föhlisch, A.

“…We present a general experimental concept for jitter-free pump and probe experiments at free electron lasers. By generating pump and probe pulse from one and…”
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Ultrafast dynamics of antiferromagnetic order studied by femtosecond resonant soft x-ray diffraction by Holldack, K., Pontius, N., Schierle, E., Kachel, T., Soltwisch, V., Mitzner, R., Quast, T., Springholz, G., Weschke, E.

“…Femtosecond (fs) soft x-ray diffraction at the Eu- M 5 resonance was employed to study the dynamics of antiferromagnetic (AFM) order in a thin film of the…”
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Reply to 'Optical excitation of thin magnetic layers in multilayer structures' by Eschenlohr, A., Battiato, M., Maldonado, P., Pontius, N., Kachel, T., Holldack, K., Mitzner, R., Föhlisch, A., Oppeneer, P. M., Stamm, C.

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Characterization of laser-electron interaction at the BESSY II femtoslicing source by Holldack, K., Kachel, T., Khan, S., Mitzner, R., Quast, T.

“…The energy modulation of 1.7-GeV electrons by femtosecond laser pulses was studied at the BESSY II “femtoslicing” source, a facility commissioned in 2004 for…”
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Formation of a ferromagnetic silicide at the Fe/Si(100) interface by Kläsges, R., Carbone, C., Eberhardt, W., Pampuch, C., Rader, O., Kachel, T., Gudat, W.

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Time and momentum resolved resonant magnetic x-ray diffraction on EuTe by Trabant, C., Pontius, N., Schierle, E., Weschke, E., Kachel, T., Springholz, G., Holldack, K., Föhlisch, A., Schüßler-Langeheine, C.

“…We used fs- and ps- resonant magnetic x-ray diffraction to probe the laser-induced changes to the magnetic profile In thin films of the antiferromagnetic netic…”
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Ultrafast Electron and Spin Dynamics in Nickel Probed With Femtosecond X-Ray Pulses by Durr, H.A., Stamm, C., Kachel, T., Pontius, N., Mitzner, R., Quast, T., Holldack, K., Khan, S., Lupulescu, C., Aziz, E.F., Wietstruk, M., Eberhardt, W.

“…We present the first X-ray absorption spectrum over an entire absorption edge using femtosecond pulses from a synchrotron-based slicing source. An ultrafast…”
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Antiferromagnetic-ferromagnetic phase transition in FeRh probed by x-ray magnetic circular dichroism by Stamm, C., Thiele, J.-U., Kachel, T., Radu, I., Ramm, P., Kosuth, M., Minár, J., Ebert, H., Dürr, H. A., Eberhardt, W., Back, C. H.

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Interaction of metals with an organic semiconductor: Ag and In on PTCDA by Park, S., Kampen, T.U., Kachel, T., Bressler, P., Braun, W., Zahn, D.R.T.

“…The interaction of Ag and In with a thin film of 3,4,9,10-perylenetetracarboxylic dianhydride (PTCDA) was studied by near-edge X-ray absorption fine structure…”
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Transient electronic and magnetic structures of nickel heated by ultrafast laser pulses by Kachel, T., Pontius, N., Stamm, C., Wietstruk, M., Aziz, E. F., Dürr, H. A., Eberhardt, W., de Groot, F. M. F.

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Surface magnetism and electronic structure of ultrathin fcc Fe films by Kläsges, R, Schmitz, D, Carbone, C, Eberhardt, W, Kachel, T

“…Spin- and angle-resolved photoemission show that a very similar development of the electronic structure occurs in fcc Fe films grown on Co(100) and on Cu(100)…”
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Ultrafast hot-electron induced quenching of Tb 4 f magnetic order by Ferté, Tom, Bergeard, Nicolas, Malinowski, G., Abrudan, R., Kachel, T., Holldack, K., Hehn, Michel, Boeglin, Christine

“…We have investigated ultrafast quenching of the Tb 4f magnetic order in Co 74 Tb 26 alloys, induced by femtosecond hot-electron pulses. The hot-electron pulses…”
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