Attosecond Photoemission from Surfaces and Interfaces: Time-resolved investigation of ultrafast electron dynamics in condensed matter with attosecond resolution

Attosecond Photoemission from Surfaces and Interfaces: Time-resolved investigation of ultrafast electron dynamics in condensed matter with attosecond resolution

von Stefan Neppl
Taschenbuch - 9783838133485
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Beschreibung

This work describes experiments aiming at the observation of ultrafast dynamics of photo-excited electrons in condensed matter that evolves on a sub-femtosecond time scale. The experimental scheme providing this unprecedented time resolution draws on the simultaneous illumination of a solid surface with the electric fields of two different light pulses: photoelectrons generated by an extreme-ultraviolet (XUV) pulse, with only a few hundred attoseconds in duration, are modulated in their final kinetic energy by a precisely synchronized, phase-controlled light field of a near-infrared femtosecond laser pulse. A detailed analysis of these modulations for electrons ejected from different electronic states of the solid allows access to relative time delays occurring during the photoemission process. The capability of this method for clocking electron emission from metal surfaces with a precision of only a few attoseconds is demonstrated. In the quest of exploring the origin of these temporal phenomena in solid-state photoemission, experiments on different single crystals and well-defined metal-adsorbate interfaces have been performed. These measurements emphasize the extreme sensitiv

Details

Verlag Südwestdeutscher Verlag für Hochschulschriften AG Co. KG
Ersterscheinung Juli 2015
Maße 220 mm x 150 mm x 10 mm
Gewicht 255 Gramm
Format Taschenbuch
ISBN-13 9783838133485
Auflage Nicht bekannt
Seiten 160

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