Linking Cause and Effect: Nanoscale Vibrational Spectroscopy of Space Weathering from Asteroid Ryugu

Autor: Sylvain Laforet, Corentin Le Guillou, Francisco de la Peña, Michael Walls, Luiz H. G. Tizei, Maya Marinova, Pierre Beck, Van T. H. Phan, Damien Jacob, Bahae-eddine Mouloud, Daniel Hallatt, Mario Pelaez-Fernandez, Jean-Christophe Viennet, David Troadec, Takaaki Noguchi, Toru Matsumoto, Akira Miyake, Hisayoshi Yurimoto, Hugues Leroux

Publikováno v: The Astrophysical Journal Letters, Vol 963, Iss 2, p L45 (2024)

Airless bodies are subjected to space-weathering effects that modify the first few microns of their surface. Therefore, understanding their impact on the optical properties of asteroids is key to the interpretation of their color variability and infr

Externí odkaz: https://doaj.org/article/94b187d971674c8bbda0840ec35cfb3d

Small grains from Ryugu: handling and analysis pipeline for infrared synchrotron microspectroscopy

Autor: Stefano Rubino, Zélia Dionnet, Alice Aléon-Toppani, Rosario Brunetto, Tomoki Nakamura, Donia Baklouti, Zahia Djouadi, Cateline Lantz, Obadias Mivumbi, Ferenc Borondics, Stephane Lefrançois, Christophe Sandt, Francesco Capitani, Eva Héripré, David Troadec, Megumi Matsumoto, Kana Amano, Tomoyo Morita, Hisayoshi Yurimoto, Takaaki Noguchi, Ryuji Okazaki, Hikaru Yabuta, Hiroshi Naraoka, Kanako Sakamoto, Shogo Tachibana, Seiichiro Watanabe, Yuichi Tsuda, the Hayabusa2-initial-analysis team

Publikováno v: Earth, Planets and Space, Vol 75, Iss 1, Pp 1-11 (2023)

Abstract Sample-return missions allow the study of materials collected directly from celestial bodies, unbiased by atmospheric entry effects and/or terrestrial alteration and contamination phenomena, using state-of-the-art techniques which are availa

Externí odkaz: https://doaj.org/article/24982528eb8b459abf2a08ec422ac875

V-Shaped InAs/Al0.5Ga0.5Sb Vertical Tunnel FET on GaAs (001) Substrate With I $_{\text {ON}}=\text {433}\,\,\mu$ A. $\mu$ m $^{-\text {1}}$ at V $_{\text {DS}}= \text {0.5}$ V

Autor: Vinay Kumar Chinni, Mohammed Zaknoune, Christophe Coinon, Laurence Morgenroth, David Troadec, Xavier Wallart, Ludovic Desplanque

Publikováno v: IEEE Journal of the Electron Devices Society, Vol 5, Iss 1, Pp 53-58 (2017)

We report on the fabrication of a near broken InAs/Al0.5Ga0.5Sb vertical TUNNEL field effect transistor (TFET). The epitaxial structure is grown on a GaAs (001) substrate thanks to large mismatch accommodation at the GaSb/GaAs interface. The fabricat

Externí odkaz: https://doaj.org/article/598af2ec20ee4785acb712283807732a

Engineering a Robust Flat Band in III–V Semiconductor Heterostructures

Autor: Xavier Wallart, Daniel Vanmaekelbergh, Gilles Patriarche, David Troadec, Guillaume Fleury, Bruno Grandidier, Christophe Delerue, Nathali Alexandra Franchina Vergel, Maxime Berthe, Ludovic Desplanque, C. Coinon, Yannick Lambert, Tao Xu, François Vaurette, Davide Sciacca, Dmitri A. Yarekha, L. Christiaan Post

Publikováno v: Nano Letters
Nano Letters, 2021, 21, pp.680. ⟨10.1021/acs.nanolett.0c04268⟩
Nano Letters, American Chemical Society, 2021, 21, pp.680. ⟨10.1021/acs.nanolett.0c04268⟩

Electron states in semiconductor materials can be modified by quantum confinement. Adding to semiconductor heterostructures the concept of lateral geometry offers the possibility to further tailor the electronic band structure with the creation of un

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::339c77b6b7eb75c687d4f7aeb84f382a
https://doi.org/10.1021/acs.nanolett.0c04268

Three-Dimensional TiO2 Film Deposited by ALD on Porous Metallic Scaffold for 3D Li-Ion Micro-Batteries: A Road towards Ultra-High Capacity Electrode

Autor: Maxime Hallot, Christophe Boyaval, David Troadec, Marielle Huvé, Lotfi Benali Karroubi, Sai Gourang Patnaik, Thierry Brousse, Pascal Roussel, David Pech, Christophe Lethien

Publikováno v: Journal of The Electrochemical Society
Journal of The Electrochemical Society, 2022, 169 (4), pp.040523. ⟨10.1149/1945-7111/ac6328⟩

To power the next generation of miniaturized electronic devices, the energy storage capability of Li-ion micro-batteries has to be significantly improved and the fabrication of high performance 3D electrodes is mandatory. Here we show how to carefull

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9e45c2ec791fb37768b9afecc1406394
https://hal.science/hal-03631330/document