Sub-harmonic resonant excitation of confined acoustic modes at GHz frequencies with a high-repetition-rate femtosecond laser

Autor: Bruchhausen, A., Gebs, R., Hudert, F., Issenmann, D., Klatt, G., Bartels, A., Schecker, O., Waitz, R., Erbe, A., Scheer, E., Huntzinger, J. -R., Mlayah, A., Dekorsy, T.

We propose sub-harmonic resonant optical excitation with femtosecond lasers as a new method for the characterization of phononic and nanomechanical systems in the gigahertz to terahertz frequency range. This method is applied for the investigation of

Externí odkaz: http://arxiv.org/abs/1012.1345

Ultrafast study of phonon transport in isotopically controlled semiconductor nanostructures

Autor: Issenmann, D, Eon, S, Bracht, H, Hettich, M, Dekorsy, T, Buth, G, Steininger, R, Baumbach, T, Lundsgaard Hansen, J, Nylandsted Larsen, A, Ager, JW, Haller, EE, Plech, A

Publikováno v: Physica Status Solidi (A) Applications and Materials Science, vol 213, iss 3
Issenmann, D, Eon, S, Bracht, H, Hettich, M, Dekorsy, T, Buth, G, Steininger, R, Baumbach, T, Hansen, J L, Larsen, A N, Ager, J W, Haller, E E & Plech, A 2016, ' Ultrafast study of phonon transport in isotopically controlled semiconductor nanostructures ', Physica Status Solidi. A: Applications and Materials Science (Online), vol. 213, no. 3, pp. 541-548 . https://doi.org/10.1002/pssa.201532462
physica status solidi (a) – applications and materials science, vol 213, iss 3
Issenmann, D; Eon, S; Bracht, H; Hettich, M; Dekorsy, T; Buth, G; et al.(2016). Ultrafast study of phonon transport in isotopically controlled semiconductor nanostructures. Physica Status Solidi (A) Applications and Materials Science, 213(3), 541-548. doi: 10.1002/pssa.201532462. Lawrence Berkeley National Laboratory: Retrieved from: http://www.escholarship.org/uc/item/0q8495dh

Isotopically modulated silicon and germanium multilayers are analyzed by means of femtosecond spectroscopy and pulsed X-ray scattering for determining thermal conductivity and phonon modes. Isotopic modulation decreases thermal conductivity stronger

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::5ac674e9506508476cf71d27181285a8
https://escholarship.org/uc/item/0q8495dh

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Lattice Dynamics of Laser Excited Ferroelectric BaTiO3.

Autor: Issenmann, D., Schleef, S., Ibrahimkutty, S., Buth, G., Baumbach, T., Plech, A., Beyer, M., Demsar, J.

Publikováno v: Acta Physica Polonica: A; Feb2012, Vol. 121 Issue 2, p319-323, 5p, 1 Diagram, 2 Graphs