M
Mathieu Gallart
Researcher at University of Strasbourg
Publications - 79
Citations - 1618
Mathieu Gallart is an academic researcher from University of Strasbourg. The author has contributed to research in topics: Quantum well & Exciton. The author has an hindex of 20, co-authored 78 publications receiving 1492 citations. Previous affiliations of Mathieu Gallart include Centre national de la recherche scientifique & University of Montpellier.
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High internal electric field in a graded-width InGaN/GaN quantum well: Accurate determination by time-resolved photoluminescence spectroscopy
Pierre Lefebvre,A Morel,Mathieu Gallart,Thierry Taliercio,Jacques Allègre,Bernard Gil,Henry Mathieu,Benjamin Damilano,Nicolas Grandjean,Jean Massies +9 more
TL;DR: In this paper, a graded-width InGaN/GaN quantum well was used to study a time-resolved photoluminescence (PL) at T = 8 K, where the well width continuously varies from ∼5.5 to 2.0 nm.
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All-Optical Trion Generation in Single-Walled Carbon Nanotubes
Silvia M. Santos,Bertrand Yuma,Stéphane Berciaud,Jonah Shaver,Mathieu Gallart,Pierre Gilliot,Laurent Cognet,Brahim Lounis +7 more
TL;DR: Luminescence data together with ultrafast pump-probe experiments on chirality-sorted bulk samples suggest that exciton-exciton annihilation processes generate dissociated carriers that allow for trion creation upon a subsequent photon absorption event.
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Biexciton, single carrier, and trion generation dynamics in single-walled carbon nanotubes
Bertrand Yuma,Stéphane Berciaud,Jean Besbas,Jonah Shaver,Silvia M. Santos,Saunab Ghosh,R. B. Weisman,Laurent Cognet,Mathieu Gallart,Marc Ziegler,Bernd Hönerlage,Brahim Lounis,Pierre Gilliot +12 more
TL;DR: In this paper, free carrier photo-generation and multi-carrier bound states, such as biexcitons and trions (ionized excitons), were studied in semiconducting single-walled carbon nanotubes.
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Luminescence of free-standing versus matrix-embedded oxide-passivated silicon nanocrystals: The role of matrix-induced strain
Kateřina Kůsová,Lukáš Ondič,Eva Klimešová,Kateřina Herynková,Ivan Pelant,Stanislav Daniš,Jan Valenta,Mathieu Gallart,Marc Ziegler,Bernd Hönerlage,Pierre Gilliot +10 more
TL;DR: In this article, a large number of experimental data from various sources was collected to demonstrate that free-standing (FS) oxide-passivated silicon nanocrystals (SiNCs) exhibit considerably blueshifted emission, by 200
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Structural and photoluminescence properties of ZnO thin films prepared by sol-gel process
Julien Petersen,Christelle Brimont,Mathieu Gallart,Olivier Crégut,Guy Schmerber,Pierre Gilliot,B. Hönerlage,Corinne Ulhaq-Bouillet,Jean-Luc Rehspringer,Cédric Leuvrey,Silviu Colis,H. Aubriet,Christiane Becker,David Ruch,Abdelilah Slaoui,Aziz Dinia +15 more
TL;DR: In this paper, the structural and optical properties of ZnO thin films fabricated by sol-gel process and spin coated onto Si (100) and quartz substrates were studied by photoluminescence (PL) and absorption spectroscopy at low and room temperatures.