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Photonis SIGNED

Isotope Fractionation of Light Elements Upon Ionization: Cosmochemical and Geochemical Implications

Total Cost €


EC-Contrib. €






Project "Photonis" data sheet

The following table provides information about the project.


Organization address
address: COURS LEOPOLD 34
postcode: 54052

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country France [FR]
 Project website
 Total cost 2˙810˙229 €
 EC max contribution 2˙810˙229 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2015-AdG
 Funding Scheme ERC-ADG
 Starting year 2017
 Duration (year-month-day) from 2017-01-01   to  2021-12-31


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    UNIVERSITE DE LORRAINE FR (NANCY CEDEX) coordinator 2˙810˙229.00


 Project objective

Light elements such as hydrogen and nitrogen present large isotope variations among solar system objects and reservoirs (including planetary atmospheres) that remain unexplained at present. Works based on theoretical approaches are model-dependent and do not reach a consensus. Laboratory experiments are required in order to develop the underlying physical mechanisms. The aim of the project is to investigate the origins of and processes responsible for isotope variations of the light elements and noble gases in the Solar System through an experimental approach involving ionization of gaseous species. We will also investigate mechanisms and processes of isotope fractionation of atmophile elements in planetary atmospheres that have been irradiated by solar UV photons, with particular reference to Mars and the early Earth. Three pathways will be considered: (i) plasma ionisation of gas mixtures (H2-CO-N2-noble gases) in a custom-built reactor; (ii) photo-ionisation and photo-dissociation of the relevant gas species and mixtures using synchrotron light; and (iii) UV irradiation of ices containing the species of interest. The results of this study will shed light on the early Solar System evolution and on processes of planetary formation.


year authors and title journal last update
List of publications.
2018 David V. Bekaert, Michael W. Broadley, Frédéric Delarue, Guillaume Avice, Francois Robert, Bernard Marty
Archean kerogen as a new tracer of atmospheric evolution: Implications for dating the widespread nature of early life
published pages: eaar2091, ISSN: 2375-2548, DOI: 10.1126/sciadv.aar2091
Science Advances 4/2 2019-06-14
2017 David V. Bekaert, Guillaume Avice, Bernard Marty, Bryana Henderson, Murthy S. Gudipati
Stepwise heating of lunar anorthosites 60025, 60215, 65315 possibly reveals an indigenous noble gas component on the Moon
published pages: 114-131, ISSN: 0016-7037, DOI: 10.1016/j.gca.2017.08.041
Geochimica et Cosmochimica Acta 218 2019-06-13
2018 David V. Bekaert, Sylvie Derenne, Laurent Tissandier, Yves Marrocchi, Sebastien Charnoz, Christelle Anquetil, Bernard Marty
High-temperature Ionization-induced Synthesis of Biologically Relevant Molecules in the Protosolar Nebula
published pages: 142, ISSN: 1538-4357, DOI: 10.3847/1538-4357/aabe7a
The Astrophysical Journal 859/2 2019-06-13
2018 David V. Bekaert, Guillaume Avice, Bernard Marty
Origin and significance of cosmogenic signatures in vesicles of lunar basalt 15016
published pages: 1238-1251, ISSN: 1086-9379, DOI: 10.1111/maps.13069
Meteoritics & Planetary Science 53/6 2019-06-13

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