Výsledky vyhledávání

Complex organic molecules in protoplanetary disks: X-ray photodesorption from methanol-containing ices. I. Pure methanol ices

Autor: Rémi Dupuy, Géraldine Féraud, J.-H. Fillion, Claire Romanzin, J. Michoud, X. Michaut, Laurent Philippe, A. Lafosse, M. Bertin, R. Basalgète, L. Amiaud

Publikováno v: Astronomy and Astrophysics-A&A
Astronomy and Astrophysics-A&A, EDP Sciences, 2021, ⟨10.1051/0004-6361/202039676⟩

Context.Astrophysical observations show complex organic molecules (COMs) in the gas phase of protoplanetary disks. X-rays emitted from the central young stellar object that irradiate interstellar ices in the disk, followed by the ejection of molecule

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a09d39e56259a00b047a177299110561
https://hal.archives-ouvertes.fr/hal-03158748

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Complex organic molecules in protoplanetary disks: X-ray photodesorption from methanol-containing ices. Part II -- Mixed methanol-CO and methanol-H2O ices

Autor: Géraldine Féraud, X. Michaut, L. Amiaud, A. Lafosse, Jean-Hugues Fillion, R. Basalgète, Mathieu Bertin, Laurent Philippe, Claire Romanzin, J. Michoud, R. Dupuy

Publikováno v: Astronomy and Astrophysics-A&A
Astronomy and Astrophysics-A&A, EDP Sciences, 2021, 647, pp.A36. ⟨10.1051/0004-6361/202040117⟩

Astrophysical observations show complex organic molecules (COMs) in the gas phase of protoplanetary disks. X-rays emitted from the central young stellar object (YSO) that irradiate interstellar ices in the disk, followed by the ejection of molecules

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::09033dceb28624dc9908d10521e6c658

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Response under low-energy electron irradiation of a thin film of a potential copper precursor for focused electron beam induced deposition (FEBID)

Autor: A. Lafosse, Iwona Szymańska, L. Amiaud, Céline Dablemont, Leo Sala

Publikováno v: Beilstein Journal of Nanotechnology, Vol 9, Iss 1, Pp 57-65 (2018)
Beilstein Journal of Nanotechnology

Background: Focused electron beam induced deposition (FEBID) allows for the deposition of free standing material within nanometre sizes. The improvement of the technique needs a combination of new precursors and optimized irradiation strategies to ac

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6ea49a8ae5f30f50f70f8e648b5705f1
https://doi.org/10.3762/bjnano.9.8

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Interfacial water on organic substrates at cryogenic temperatures: hydrogen bonding and quantification in the submonolayer regime

Autor: D. Houdoux, A. Lafosse, Justine Houplin, L. Amiaud, Céline Dablemont

Publikováno v: Physical Chemistry Chemical Physics. 19:2304-2312

Water molecules were used to probe the physical and chemical properties of a model hydrophilic organic organized layer. To this end, H2O adsorption on mercaptoundecanoic acid self-assembled monolayers (SAMs) was investigated at the molecular level un

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::19b6c3d7334a291435380e12d45a278d
https://doi.org/10.1039/c6cp03328h

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Design for a high resolution electron energy loss microscope

Autor: A. Lafosse, Marian Mankos, Gerd Schönhense, L. Amiaud, Daniel Comparat, Nicholas Barrett, Khashayar Shadman, Raphaël Hahn, Yan J. Picard, O. Fedchenko

Publikováno v: Ultramicroscopy
Ultramicroscopy, Elsevier, 2019, 207, pp.112848. ⟨10.1016/j.ultramic.2019.112848⟩
Ultramicroscopy, 2019, 207, pp.112848. ⟨10.1016/j.ultramic.2019.112848⟩

International audience; An electron optical column has been designed for High Resolution Electron Energy Loss Microscopy (HREELM). The column is composed of electron lenses and a beam separator that are placed between an electron source based on a la

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::01925922e8f154f1db2dd8f2e3301b58
https://pubmed.ncbi.nlm.nih.gov/31606484

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Ammonia ices under low-energy electron irradiation - Towards quantitative desorption rates and effective cross sections

Autor: A. Lafosse, L. Amiaud, Céline Dablemont, L. Sala

Publikováno v: Journal of Physics: Conference Series. 1412:202003

Synopsis Low-energy (< 20 eV) electron processing of NH3 multilayer films, systems of interest in astrochemistry, leads to significant NH3 desorption, fragmentation, and to a complex chemistry arising from recombination and secondary processes induce

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9ef9b309ede1bef59a5099bdbf20eef3
https://doi.org/10.1088/1742-6596/1412/20/202003

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DOS and electron attachment effects in the electron-induced vibrational excitation of terphenylthiol SAMs

Autor: A. Lafosse, L. Amiaud, Céline Dablemont, Justine Houplin

Publikováno v: Physical Chemistry Chemical Physics. 17:30721-30728

Low energy electron scattering on terphenylthiol (TPT, HS-(C6H4)2-C6H5) self-assembled monolayers (SAMs) deposited onto gold was investigated using high resolution electron energy loss spectroscopy (HREELS) by recording specular elastic and inelastic

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::63c678c1b78dda1b1014d15aba363c10
https://doi.org/10.1039/c5cp04067a

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