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Femtosecond x-ray measurement of ultrafast melting and large acoustic transients

  • Time-resolved x-ray diffraction with ultrashort ( approximately 300 fs), multi-keV x-ray pulses has been used to study the femtosecond laser-induced solid-to-liquid phase transition in a thin crystalline layer of germanium. Nonthermal melting is observed to take place within 300-500 fs. Following ultrafast melting we observe strong acoustic perturbations evolving on a picosecond time scale.

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Metadaten
Author:Klaus Sokolowski-Tinten, Christian Blome, Clemens Dietrich, A. Tarasevitch, Michael Horn-von Hoegen, D. von der Linde, Andrea Cavalleri, Jeff A. Squier, Martin KammlerORCiDGND
DOI:https://doi.org/10.1103/PhysRevLett.87.225701
Parent Title (English):Physical review letters
Publisher:APS
Document Type:Article
Language:English
Year of first Publication:2001
Release Date:2022/11/24
Volume:87
Institutes:Fakultät Angewandte Natur- und Kulturwissenschaften
Fakultät Angewandte Natur- und Kulturwissenschaften / Labor Nanoanalytik und Halbleiterchemie (Nanochem)
Publication:Externe Publikationen
research focus:Produktion und Systeme
Licence (German):Keine Lizenz - Es gilt das deutsche Urheberrecht: § 53 UrhG