TY - JOUR A1 - Sokolowski-Tinten, Klaus A1 - Horn-von Hoegen, Michael A1 - von der Linde, D. A1 - Cavalleri, Andrea A1 - Siders, C. W. A1 - Brown, F. L. H. A1 - Tóth, Csaba A1 - Squier, Jeff A. A1 - Barty, C. P. J. A1 - Wilson, K. R. A1 - Kammler, Martin T1 - Time-resolved x-ray diffraction study of ultrafast acoustic phonon dynamics in Ge/Si-heterostructures JF - International Conference on Ultrafast Phenomena , 9 July 2000, Charleston N2 - Using time-resolved x-ray diffraction the ultafast strain dynamics in fs-laserexcited Ge/Si-heterostructures has been studied. A fluence dependent, anharmonic damping of the impulsively generated acoustic phonons and vibrational transport across the buried Ge/Si-interface are observed. KW - Acoustic Phonon KW - Acoustic Transmission KW - Carrier Diffusion KW - Homogenous Expansion KW - Lattice Anharmonicity Y1 - 2000 UR - https://opg.optica.org/abstract.cfm?uri=UP-2000-MF43 PB - Optica ER -