Spin dynamics triggered by sub-terahertz magnetic field pulses

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dc.creatorWang, Zhao
dc.creatorPietz, Matthäus
dc.creatorFörster, Arno
dc.creatorLepsa, Mihail I.
dc.creatorMünzenberg, Markus
dc.date2007-11-21
dc.date2008-04-11
dc.date.accessioned2026-07-07T12:08:27Z
dc.date.available2026-07-07T12:08:27Z
dc.descriptionCurrent pulses of up to 20 A and as short as 3 ps are generated by a low temperature grown GaAs (lt-GaAs) photoconductive switch and guided through a coplanar waveguide, resulting in a 0.6 Tesla terahertz (THz) magnetic field pulse. The pulse length is directly calibrated using photocurrent autocorrelation. Magnetic excitations in Fe microstructures are studied by time-resolved Kerr spectroscopy and compared with micromagnetic simulations. A response within less than 10 ps to the THz electromagnetic field pulse is found.
dc.description12 pages, 4 figures, submitted to J. Appl. Phys, changes made with regard to review process
dc.identifierhttps://arxiv.org/abs/0711.3427
dc.identifierhttp://arxiv.org/abs/0711.3427
dc.identifierJ. Appl. Phys. 103, 123905 (2008)
dc.identifierdoi:10.1063/1.2940734
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/209322
dc.subjectOther Condensed Matter
dc.titleSpin dynamics triggered by sub-terahertz magnetic field pulses
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