(Invited) Shedding Light on the Growth Kinetics of Individual Carbon Nanotubes Using in Situ Optical Microscopy

Autor: Thierry Michel, Guillaume Prévot, Huy-Nam Tran, Rémy Vialla, Said Tahir, Vincent Jourdain, Léonard Monniello, Vladimir Pimonov

Publikováno v: ECS Meeting Abstracts. :610-610

Growing single-walled carbon nanotubes (SWCNTs) with high selectivity for specific chiralities is a matter of intense research activity with important implications in the fields of electronic and optoelectronic devices. However, a fundamental underst

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3b293fe571ca5cd6123255955a48eeb9
https://doi.org/10.1149/ma2021-0112610mtgabs

A comprehensive model of the optical spectra of carbon nanotubes on substrate by polarized microscopy

Autor: Rémy Vialla, Guillaume Prévot, Huy-Nam Tran, Thierry Michel, Léonard Monniello, Vincent Jourdain, Said Tahir

Publikováno v: Physical Review B: Condensed Matter and Materials Physics (1998-2015)
Physical Review B: Condensed Matter and Materials Physics (1998-2015), American Physical Society, 2019, 99 (11), pp.115431. ⟨10.1103/PhysRevB.99.115431⟩

Polarized optical microscopy and spectroscopy are progressively becoming key methods for the high-throughput characterization of individual carbon nanotubes (CNTs) and other one-dimensional nanostructures, on substrate and in devices. The optical res

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f045bd6d7709dfc2c0220af9f5a5bfb5

Third-order elastic constants determination in soda–lime–silica glass by Brillouin scattering

Autor: Rémy Vialla, René Vacher, Eric Le Bourhis, David Cavaillé, Claire Levelut

Publikováno v: Journal of Non-Crystalline Solids. 260:235-241

Brillouin light scattering allows the measurement of sound velocity and elastic moduli in transparent materials. The ability to select a small scattering volume and to use specific scattering configurations gives important information about the gradi

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https://doi.org/10.1016/s0022-3093(99)00582-7

Eliminating the broadening by finite aperture in Brillouin spectroscopy

Autor: René Vacher, Rémy Vialla, Benoit Ruffle, Guillaume Guimbretière

Publikováno v: Review of Scientific Instruments
Review of Scientific Instruments, American Institute of Physics, 2011, 82 (11), pp.113110. ⟨10.1063/1.3663072⟩

We present a new optical arrangement which allows to avoid the broadening by finite aperture in Brillouin spectroscopy. In this system, all the rays scattered at the same angle by the whole scattering volume are collected on a single pixel of the are

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a1255c4bff1b328e262ace4139105654
https://hal.archives-ouvertes.fr/hal-00647002/file/1109.3531.pdf

Dynamical origin of anomalous temperature hardening of elastic modulus in vitreous silica

Autor: Huy-Nam Tran, Jean-Claude Chervin, René Vacher, Marie Foret, Rémy Vialla, Benoit Ruffle, Alain Polian, P. Munsch, Simon Ayrinhac, Sébastien Clément

Publikováno v: Physical Review B: Condensed Matter and Materials Physics (1998-2015)
Physical Review B: Condensed Matter and Materials Physics (1998-2015), American Physical Society, 2011, 84, pp.024201. ⟨10.1103/PhysRevB.84.024201⟩
Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2011, 84, pp.024201. ⟨10.1103/PhysRevB.84.024201⟩

International audience; High-resolution Brillouin scattering experiments are performed under hydrostatic pressures ranging from 0 to 10 GPa in vitreous silica. The hypersound-attenuation coefficient exhibits a sharp maximum located at 2 GPa, which ap

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a5f68da6f7eb724332893d05471062e0
https://doi.org/10.1103/physrevb.84.024201