Influence of elastic anisotropy on measured sound velocities and elastic moduli of polycrystalline cubic solids

Autor: Andreas Zerr, Haijun Huang, Laurent Belliard, Bernard Perrin, Philippe Djemia, F. Xu

Publikováno v: Journal of Applied Physics
Journal of Applied Physics, American Institute of Physics, 2021, 130 (3), pp.035903. ⟨10.1063/5.0053372⟩

International audience; Cubic solids such as NaCl, crystalline argon, or H 2 O-ice VII exhibit significant elastic anisotropy strongly increasing upon compression. As earlier recognized for solid argon and H 2 O-ice (both exhibiting Zener ratio A>1),

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3c9b696f2fd4b6d948557b808052f6d3
https://hal.archives-ouvertes.fr/hal-03411770

Anharmonic coupling, thermal transport and acoustic wave attenuation in cubic semiconductors and bismuth

Autor: Bernard Perrin, Jelena Sjakste, Nathalie Vast, Maxime Markov, Lorenzo Paulatto

Publikováno v: Journal of Physics: Conference Series
Journal of Physics: Conference Series, IOP Publishing, 2020, 1461, pp.012165. ⟨10.1088/1742-6596/1461/1/012165⟩
Journal of Physics: Conference Series, 2020, 1461, pp.012165. ⟨10.1088/1742-6596/1461/1/012165⟩

International audience; In this work we present our recent results of the ab initio calculations of anharmonic coupling in cubic semiconductors and bismuth. Our results allow us to explain the anomalous behavior of the attenuation of the longitudinal

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::954480f137bc538aacef5ad7d7308b4d
https://hal.archives-ouvertes.fr/hal-03049261/file/Markov_2020_J._Phys.%3A_Conf._Ser._1461_012165-2.pdf

In depth characterization of Ge-Si core-shell nanowires using X-ray coherent diffraction and time resolved pump-probe spectroscopy

Autor: Laurent Belliard, Pascal Gentile, Cyril Jean, Olivier P. Thomas, Eric Charron, S. Fernandez, Marie-Ingrid Richard, Bernard Perrin

Publikováno v: Journal of Applied Physics
Journal of Applied Physics, American Institute of Physics, 2019, 126 (20), pp.204304. ⟨10.1063/1.5122263⟩
Journal of Applied Physics, 2019, 126 (20), pp.204304. ⟨10.1063/1.5122263⟩

International audience; We report on the ultrafast vibrational response of single Ge-Si core-shell nanowires obtained by epitaxial growth and investigated by femtosecond transient reflectivity and coherent x-ray diffraction measurements. The oscillat

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6a47a0d30bfdc4d994a97efcaeb6953e
https://hal.archives-ouvertes.fr/hal-02457440/document

Coherent generation and detection of acoustic phonons in topological nanocavities

Autor: Clivia M. Sotomayor-Torres, Pedro García, Omar E. Ortiz, Aristide Lemaître, Bernard Perrin, C. Gomez-Carbonell, Guillermo Arregui, O. Mauguin, Martin Esmann, Norberto D. Lanzillotti-Kimura

Publikováno v: Digital.CSIC. Repositorio Institucional del CSIC
instname
APL Photonics, Vol 4, Iss 3, Pp 030805-030805-6 (2019)
APL Photonics
APL Photonics, AIP Publishing LLC, 2019, 4 (3), pp.030805. ⟨10.1063/1.5082728⟩
Recercat: Dipósit de la Recerca de Catalunya
Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
Recercat. Dipósit de la Recerca de Catalunya
Dipòsit Digital de Documents de la UAB
Universitat Autònoma de Barcelona

Inspired by concepts developed for fermionic systems in the framework of condensed matter physics, topology and topological states are recently being explored also in bosonic systems. Recently, some of these concepts have been successfully applied to

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3ccb18bd8b4d2d39bdca13cca2de5182
http://hdl.handle.net/10261/200218

Predicting thermal performance of fired clay bricks lightened by adding organic matter: Improvement of brick geometry

Autor: Hervé Lemercier, Marie Coutand, Bernard Perrin, Laila Aouba

Publikováno v: Journal of Building Physics
Journal of Building Physics, SAGE Publications, 2015, 38 (6), pp.531--547. ⟨10.1177/1744259115571078⟩
Journal of Building Physics, 2015, 38 (6), pp.531--547. ⟨10.1177/1744259115571078⟩

WOS:000353215000004; International audience; Fired clay masonry bricks adapt to a variety of constraints during use. Through their mass, these products provide thermal inertia and thus a good indoor climate. Thanks to their thermal insulation propert

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6f4bf285d168e3c6b929aa9916914326
https://doi.org/10.1177/1744259115571078