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Femtosecond x-ray measurement of ultrafast melting and large acoustic transients - art. no. 225701

Authors

Sokolowski-Tinten, K Blome, C Dietrich, C Tarasevitch, A von Hoegen, MH von der Linde, D Cavalleri, A Squier, J Kammler, M

Citation

K. Sokolowski-tinten et al., Femtosecond x-ray measurement of ultrafast melting and large acoustic transients - art. no. 225701, PHYS REV L, 8722(22), 2001, pp. 5701

Citations number

Categorie Soggetti

Physics

Journal title

PHYSICAL REVIEW LETTERS

ISSN journal

00319007 → ACNP

Volume

8722

Issue

Year of publication

2001

Database

ISI

SICI code

0031-9007(20011126)8722:22<5701:FXMOUM>2.0.ZU;2-R

Abstract

Time-resolved x-ray diffraction with ultrashort (approximate to 300 fs), mu lti-keV x-ray pulses has been used to study the femtosecond laser-induced s olid-to-liquid phase transition in a thin crystalline layer of germanium. N onthermal melting is observed to take place within 300-500 fs. Following ul trafast melting we observe strong acoustic perturbations evolving on a pico second time scale.