Materials Map

Discover the materials research landscape. Find experts, partners, networks.

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The Materials Map is an open tool for improving networking and interdisciplinary exchange within materials research. It enables cross-database search for cooperation and network partners and discovering of the research landscape.

The dashboard provides detailed information about the selected scientist, e.g. publications. The dashboard can be filtered and shows the relationship to co-authors in different diagrams. In addition, a link is provided to find contact information.

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Materials Map under construction

The Materials Map is still under development. In its current state, it is only based on one single data source and, thus, incomplete and contains duplicates. We are working on incorporating new open data sources like ORCID to improve the quality and the timeliness of our data. We will update Materials Map as soon as possible and kindly ask for your patience.

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Ciarletti, V.

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in Cooperation with on an Cooperation-Score of 37%

Topics

Publications (5/5 displayed)

  • 2019The Thermal, Mechanical, Structural, and Dielectric Properties of Cometary Nuclei After Rosetta91citations
  • 2019WISDOM Calibration Methodology and Instrument Transfer Function Impact on Surface Permittivity Measurements and Depth Resolutioncitations
  • 2017Subsurface characterization by the ground penetrating radar WISDOM/ExoMars 2020citations
  • 2016A porosity gradient in 67P/C-G nucleus suggested from CONSERT and SESAME-PP results: an interpretation based on new laboratory permittivity measurements of porous icy analogues33citations
  • 2011Dielectric and Hardness Measurements of Martian Analog Rocks in Support of the WISDOM Radar on ExoMarscitations

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Chart of shared publication
Tosi, F.
1 / 5 shared
Skorov, Y.
1 / 1 shared
Filacchione, G.
1 / 3 shared
Pelivan, I.
1 / 1 shared
Marshall, D.
1 / 1 shared
Knollenberg, J.
1 / 1 shared
Knapmeyer, M.
1 / 1 shared
Gundlach, B.
1 / 1 shared
Fischer, H.-H.
1 / 1 shared
Davidsson, B.
1 / 1 shared
Brouet, Y.
2 / 5 shared
Attree, N.
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Leyrat, C.
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Groussin, O.
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Kokotanekova, Rosita
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Kührt, E.
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Spohn, T.
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Statz, C.
1 / 4 shared
Benedix, W. S.
1 / 1 shared
Hegler, S.
1 / 2 shared
Plettemeier, D.
1 / 9 shared
Lu, Y.
1 / 27 shared
Corbel, C.
1 / 8 shared
Le Gall, A. A.
2 / 2 shared
Hervé, Y.
2 / 3 shared
Oudart, Nicolas
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Hamran, S. E.
1 / 2 shared
Guiffaut, C.
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Loizeau, D.
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Szopa, C.
1 / 1 shared
Poch, O.
1 / 3 shared
Levasseur-Regourd, A. C.
1 / 3 shared
Lethuillier, A.
1 / 1 shared
Hérique, A.
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Encrenaz, P.
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Carrasco, N.
1 / 2 shared
Le Gall, A.
1 / 1 shared
Pommerol, Antoine
1 / 6 shared
Kofman, W.
1 / 3 shared
Neves, L.
1 / 3 shared
Sabouroux, P.
1 / 6 shared
Thomas, N.
1 / 8 shared
Clifford, S. M.
1 / 2 shared
Elshafie, A.
1 / 2 shared
Chart of publication period
2019
2017
2016
2011

Co-Authors (by relevance)

  • Tosi, F.
  • Skorov, Y.
  • Filacchione, G.
  • Pelivan, I.
  • Marshall, D.
  • Knollenberg, J.
  • Knapmeyer, M.
  • Gundlach, B.
  • Fischer, H.-H.
  • Davidsson, B.
  • Brouet, Y.
  • Attree, N.
  • Leyrat, C.
  • Groussin, O.
  • Snodgrass, Colin
  • Kokotanekova, Rosita
  • Kührt, E.
  • Spohn, T.
  • Statz, C.
  • Benedix, W. S.
  • Hegler, S.
  • Plettemeier, D.
  • Lu, Y.
  • Corbel, C.
  • Le Gall, A. A.
  • Hervé, Y.
  • Oudart, Nicolas
  • Hamran, S. E.
  • Guiffaut, C.
  • Loizeau, D.
  • Dorizon, S.
  • Szopa, C.
  • Poch, O.
  • Levasseur-Regourd, A. C.
  • Lethuillier, A.
  • Hérique, A.
  • Encrenaz, P.
  • Carrasco, N.
  • Le Gall, A.
  • Pommerol, Antoine
  • Kofman, W.
  • Neves, L.
  • Sabouroux, P.
  • Thomas, N.
  • Clifford, S. M.
  • Elshafie, A.
OrganizationsLocationPeople

article

A porosity gradient in 67P/C-G nucleus suggested from CONSERT and SESAME-PP results: an interpretation based on new laboratory permittivity measurements of porous icy analogues

  • Ciarletti, V.
  • Szopa, C.
  • Poch, O.
  • Levasseur-Regourd, A. C.
  • Lethuillier, A.
  • Hérique, A.
  • Encrenaz, P.
  • Carrasco, N.
  • Brouet, Y.
  • Le Gall, A.
  • Pommerol, Antoine
  • Kofman, W.
  • Neves, L.
  • Sabouroux, P.
  • Thomas, N.
Abstract

The Rosetta spacecraft made a rendezvous with comet 67P/Churyumov-Gerasimenko (67P) in 2014 August, soon after the Philae module landed on the small lobe of the nucleus on 2014 November 12. The CONSERT instrument, onboard Rosetta and Philae, sounded the upper part of the interior of 67P with radiowaves at 90 MHz and determined an average of the real part of the permittivity (hereafter ɛ<SUP>΄</SUP>) equal to about 1.27. The SESAME-PP instrument, onboard Philae, sounded the near-surface of the small lobe in the 400-800 Hz range and determined a lower limit of ɛ<SUP>΄</SUP> equal to 2.45. We use a semi-empirical formula obtained from measurements of ɛ<SUP>΄</SUP> performed in the laboratory at 243 K on water ice and ice-basaltic dust mixtures, with a controlled porosity in the 31-91 per cent range and a dust-to-ice volumetric ratio in the 0.1-2.8 range, to interpret the results of the two instruments, taking into account the temperature and frequency dependences. A graphical method is proposed to derive ranges of porosity and dust-mass fraction from a value of ɛ<SUP>΄</SUP> derived from observations. The non-dispersive behaviour of ɛ<SUP>΄</SUP> below 175 K, allows us to compare the values of ɛ<SUP>΄</SUP> obtained by CONSERT and SESAME-PP. We show that the porosity of the small lobe of 67P increases with depth. Based on new measurements of analogues of complex extraterrestrial organic matter, the so-called tholins, we also suggest that, for the dust component in the cometary material, the presence of silicates has more effect on ɛ<SUP>΄</SUP> than organic materials....

Topics
  • porous
  • impedance spectroscopy
  • surface
  • porosity