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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1.080 Topics available

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977 Locations available

693.932 PEOPLE
693.932 People People

693.932 People

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Naji, M.
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Ferrari, M.

  • Google
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in Cooperation with on an Cooperation-Score of 37%

Topics

Publications (43/43 displayed)

  • 2024Characterization of Radiophotoluminescence Dosimeters Under X-Ray Irradiation at High Doses3citations
  • 2023Flexural Plate Wave Piezoelectric MEMS Transducer for Cell Alignment in Aqueous Solution1citations
  • 2023Optimization of an Impact-Based Frequency Up-Converted Piezoelectric Vibration Energy Harvester for Wearable Devices11citations
  • 2022Photon management in SiO2-SnO2:Yb3+ hybrid 1D microcavity3citations
  • 2022Piezoelectric MEMS Acoustic Transducer with Electrically-Tunable Resonant Frequency12citations
  • 2021Assessment of SnO2-nanocrystal-based luminescent glass-ceramic waveguides for integrated photonics20citations
  • 2021Sealing ability of a bioceramic sealer used in combination with cold and warm obturation techniquescitations
  • 2021High Transmittance Superhydrophobic Coatings with Durable Self-Cleaning Properties20citations
  • 2020Fresh emplacement of hydrated sodium chloride on Ceres from ascending salty fluids78citations
  • 2020Photonic Glass Ceramics Based on SnO2 Nanocrystals: Advances and Perspectives4citations
  • 2019Photonics Glass-ceramicscitations
  • 2019Comparison between glass and glass-ceramic silica-hafnia matrices on the down-conversion efficiency of Tb 3+ /Yb 3+ rare earth ions26citations
  • 2018Role of Ag multimers as broadband sensitizers in Tb3+/Yb3+co-doped glass-ceramics6citations
  • 2018Aging resistance, mechanical properties and translucency of different yttria-stabilized zirconia ceramics for monolithic dental crown applications273citations
  • 2018Ag nanoaggregates as efficient broadband sensitizers for Tb 3+ ions in silica-zirconia ion-exchanged sol-gel glasses and glass-ceramics16citations
  • 2017Glass and glass-ceramic photonic systems8citations
  • 2017Dysprosium-doped chalcogenide Master Oscillator Power Amplifier (MOPA) for Mid-IR emission72citations
  • 2017Sol–gel-derived glass-ceramic photorefractive films for photonic structures20citations
  • 2017Translucent zirconia in the ceramic scenario for monolithic restorations: A flexural strength and translucency comparison test131citations
  • 2016Design of an Efficient Pumping Scheme for Mid-IR Dy3+:Ga5Ge20Sb10S65 PCF Fiber Laser65citations
  • 2016SiO2-SnO2:Er3+ transparent glass-ceramics6citations
  • 2016Tb3+/Yb3+ codoped silica-hafnia glass and glass-ceramic waveguides to improve the efficiency of photovoltaic solar cells60citations
  • 2016Silver doping of silica-hafnia waveguides containing Tb3+/Yb3+ rare earths for downconversion in PV solar cells31citations
  • 2015Erbium-Doped Tin-Silicate Sol–Gel-Derived Glass-Ceramic Thin Films: Effect of Environment Segregation on the Er 3+ Emission19citations
  • 2015Design and fabrication of mechanochromic photonic crystals as strain sensor13citations
  • 2015Glass-ceramics: A class of nanostructured materials for photonics77citations
  • 2014Two refractory Wild 2 terminal particles from a carrot-shaped track characterized combining MIR/FIR/Raman microspectroscopy and FE-SEM/EDS analyses23citations
  • 2013Up- and down-conversion in Yb3+–Pr3+ co-doped fluoride glasses and glass ceramics43citations
  • 2012Controlled SnO 2 nanocrystal growth in SiO 2 -SnO 2 glass-ceramic monoliths22citations
  • 2011DOPING EFFECTS IN TITANIUM OXIDE FILMS: applications in photovoltaic solar cellscitations
  • 2011Novel multifunctional nanocomposites from titanate nanosheets and semiconductor quantum dots10citations
  • 2010Self-adhesive cement adhesion to zirconia ceramic : Effect of surface treatmentscitations
  • 2010Rare - earth - doped silicate glass - ceramic thin films for integrated optical devices1citations
  • 2010Tellurite glasses rare-earth doped optical fibre devices: Recent progress and prospects1citations
  • 2009Glass-Ceramics Coating of Silica Microspherescitations
  • 2009Controlled growth of SnO 2 nanocrystals in Eu 3+ -Doped SiO 2 -SnO 2 planar waveguides: a spectroscopic investigation30citations
  • 2008Development of new substrates for high-sensitive genotyping of minority mutated alleles10citations
  • 2007UV assisted local crystallization in Er3+ doped oxy-fluoride glass12citations
  • 2007Pulsed laser deposition of Er doped tellurite films on large area8citations
  • 2006UV assisted local crystallization in Er3+ doped oxy-fluoride glass12citations
  • 2006Fatigue resistance of the bond of a glass-infiltrated alumina ceramic to human dentincitations
  • 2004Spectroscopic assessment of silica–titania and silica–hafnia planar waveguides27citations
  • 2004Erbium-doped thin amorphous carbon films prepared by mixed CVD-sputtering18citations

Places of action

Chart of shared publication
Alãa, R. Garcãa
1 / 1 shared
Alem, A. K.
1 / 1 shared
Girard, S.
1 / 13 shared
Pagano, D.
1 / 1 shared
Sostero, L.
1 / 1 shared
Hasan, A.
1 / 1 shared
Aguiar, Y. Q.
1 / 1 shared
Donzella, A.
1 / 2 shared
Zenoni, A.
1 / 2 shared
Bau, M.
2 / 2 shared
Ferrari, V.
3 / 4 shared
Nastro, A.
3 / 4 shared
Basrour, S.
2 / 2 shared
Rufer, L.
2 / 2 shared
Aceti, P.
1 / 1 shared
Ardito, R.
1 / 1 shared
Rouvala, M.
1 / 1 shared
Rosso, M.
1 / 7 shared
Pienazza, N.
1 / 1 shared
Corigliano, A.
1 / 2 shared
Szczurek, A.
1 / 2 shared
Bollani, M.
2 / 16 shared
Bursi, O.
1 / 1 shared
Gluchowski, P.
3 / 4 shared
N., Conti G.
2 / 2 shared
Scotognella, F.
3 / 9 shared
Lukowiak, A.
10 / 12 shared
Zonta, D.
5 / 5 shared
Varas, S.
6 / 7 shared
Fernandez, J.
2 / 12 shared
Carlotto, A.
1 / 1 shared
Cian, A.
1 / 5 shared
Balda, R.
2 / 11 shared
L., Tran T. N.
3 / 3 shared
Iacob, E.
2 / 4 shared
Ischia, G.
3 / 7 shared
Chiasera, A.
9 / 11 shared
C., Righini G.
4 / 8 shared
Berneschi, S.
6 / 11 shared
Sayginer, O.
1 / 1 shared
Chiappini, A.
5 / 12 shared
Armellini, C.
10 / 16 shared
Carpentiero, A.
3 / 4 shared
Pontoriero, D. I. K.
1 / 1 shared
Benedicenti, S.
1 / 2 shared
Vanagolli, V.
1 / 1 shared
Madaro, G.
1 / 1 shared
Verniani, Giulia
1 / 1 shared
Cagidiaco, E. Ferrari
1 / 1 shared
Grandini, S.
1 / 2 shared
Cirisano, F.
1 / 1 shared
Vernet, J.
1 / 2 shared
Piccardo, P.
1 / 31 shared
Tosi, F.
1 / 5 shared
De Sanctis, M. C.
1 / 3 shared
Ciarniello, M.
1 / 5 shared
Zambon, F.
1 / 3 shared
Ammannito, E.
1 / 3 shared
Rousseau, B.
1 / 5 shared
Raponi, A.
1 / 2 shared
Russell, C. T.
1 / 3 shared
Raymond, C. A.
1 / 3 shared
Carrozzo, F. G.
1 / 2 shared
Formisano, M.
1 / 2 shared
Frigeri, Alessandro
1 / 7 shared
Massella, D.
3 / 3 shared
Ramponi, R.
2 / 4 shared
Zur, L.
9 / 9 shared
Gates, J.
2 / 2 shared
Dorosz, D.
3 / 3 shared
Boulard, B.
5 / 8 shared
C., Falconi M.
3 / 4 shared
Prudenzano, F.
3 / 13 shared
Nunzi Conti, G.
2 / 2 shared
Rossi, B.
2 / 35 shared
Righini, Giancarlo C.
3 / 41 shared
Blanc, Wilfried
1 / 31 shared
Chiasera, Alessandro
4 / 35 shared
Chiappini, Andrea
1 / 33 shared
Prudenzano, Francesco
1 / 23 shared
Sazio, P.
1 / 2 shared
Conti, G., Nunzi
1 / 1 shared
Tran, T.
1 / 5 shared
Righini, G. C.
7 / 13 shared
Gonella, F.
3 / 5 shared
Cattaruzza, E.
3 / 15 shared
Vomiero, Alberto
1 / 26 shared
Coccetti, F.
2 / 3 shared
Enrichi, F.
3 / 12 shared
Trave, E.
3 / 10 shared
Belmokhtar, S.
4 / 4 shared
Bouajaj, A.
4 / 4 shared
Ottini, Riccardo
1 / 2 shared
Vomiero, A.
2 / 31 shared
Martucci, A.
4 / 22 shared
Riello, P.
2 / 13 shared
Camposilvan, E.
1 / 1 shared
Gremillard, L.
1 / 6 shared
Leone, R.
1 / 1 shared
Chevalier, J.
1 / 22 shared
Sorrentino, R.
1 / 9 shared
Zarone, F.
1 / 4 shared
Ottini, R.
1 / 1 shared
Ghamgosar, P.
1 / 2 shared
Benedetti, A.
1 / 24 shared
You, S.
1 / 5 shared
Colusso, E.
1 / 3 shared
Karlsson, M.
1 / 5 shared
Tran, L. T. N.
2 / 2 shared
Pelli, S.
4 / 9 shared
Ristic, D.
2 / 5 shared
Conti, G. N.
2 / 3 shared
Meneghetti, M.
2 / 10 shared
Palma, G.
2 / 3 shared
Starecki, F.
2 / 6 shared
-L., Adam J.
1 / 1 shared
Troles, J.
2 / 8 shared
Taccheo, S.
4 / 17 shared
Nazabal, V.
2 / 8 shared
S., Bhaktha B. N.
1 / 1 shared
Trono, C.
1 / 2 shared
Carrabba, M.
1 / 1 shared
Wood, D.
1 / 3 shared
Keeling, Aj
1 / 1 shared
Aziz, A.
1 / 6 shared
Fonzar, Rf
1 / 1 shared
Vichi, A.
1 / 2 shared
Tran, T. T. V.
1 / 1 shared
Derkowska-Zielinska, B.
1 / 1 shared
Boucher, Y. G.
1 / 1 shared
Zonta, Daniele
2 / 21 shared
Enrichi, Francesco
2 / 11 shared
Di Stefano, A.
1 / 3 shared
Belluomo, F.
2 / 2 shared
Britel, M. R.
1 / 1 shared
Polizzi, Stefano
2 / 24 shared
Cattaruzza, Elti
1 / 49 shared
Mardegan, Marco
1 / 7 shared
Sada, C.
1 / 21 shared
Trave, Enrico
1 / 22 shared
Gonella, Francesco
1 / 27 shared
Battaglin, Giancarlo
1 / 36 shared
Pontoglio, Enrico
1 / 1 shared
Dacapito, F.
1 / 15 shared
Santos, L.
1 / 14 shared
Vinh, Lam Q.
1 / 1 shared
Van, Tran T. T.
1 / 1 shared
Bouazaoui, M.
4 / 16 shared
Kinowski, C.
3 / 4 shared
Almeida, R.
1 / 7 shared
Capoen, B.
4 / 12 shared
Cristini-Robbe, O.
1 / 2 shared
Turrell, S.
5 / 15 shared
Piotrowska, A.
1 / 22 shared
Marciniak, M.
1 / 4 shared
Pascual, M. J.
1 / 39 shared
Pablos-Martin, A. De
1 / 6 shared
Djouadi, Z.
1 / 4 shared
Della Corte, V.
1 / 4 shared
Brucato, John Robert
1 / 7 shared
Brunetto, R.
1 / 11 shared
Merouane, S.
1 / 5 shared
Rotundi, A.
1 / 3 shared
Rietmeijer, F. J. M.
1 / 3 shared
Palumbo, P.
1 / 5 shared
Palumbo, M. E.
1 / 6 shared
Baratta, G. A.
1 / 5 shared
Mennella, V.
1 / 4 shared
Borg, J.
1 / 8 shared
Dartois, E.
1 / 15 shared
Sergeant Dhendecourt, L.
1 / 1 shared
Kodjikian, Stéphanie
1 / 10 shared
Gao, Y.
1 / 13 shared
Alombert-Goget, G.
2 / 3 shared
Dieudonné, B.
1 / 2 shared
Roussel, P.
2 / 10 shared
Van Tran, T. T.
1 / 1 shared
Si Bui, T.
1 / 1 shared
Cristini, O.
2 / 4 shared
Gottardi, G.
1 / 5 shared
Micheli, V.
1 / 6 shared
Goget, G. Alombert
2 / 2 shared
Brusa, R. S.
1 / 2 shared
Pandiyan, R.
1 / 1 shared
Laidani, N.
1 / 6 shared
Bartali, R.
1 / 6 shared
Luciu, I.
1 / 3 shared
Guglielmi, M.
1 / 5 shared
Perotto, G.
1 / 5 shared
Mattei, G.
1 / 27 shared
Maiwald, M.
1 / 2 shared
Bello, V.
1 / 14 shared
Antonello, A.
1 / 2 shared
Brusatin, G.
1 / 7 shared
Zöllmer, V.
1 / 5 shared
Re, D.
1 / 3 shared
Caimi, F.
1 / 1 shared
Augusti, D.
1 / 3 shared
Augusti, G.
1 / 3 shared
Brenci, M.
1 / 1 shared
Moser, E.
2 / 5 shared
Guddala, S.
1 / 1 shared
Bhaktha, S. N. B.
2 / 4 shared
Boetti, Nadia Giovanna
1 / 60 shared
Barbero, S.
1 / 1 shared
Abrate, S.
1 / 16 shared
Pittarelli, M.
1 / 1 shared
Milanese, Daniel
1 / 116 shared
Lousteau, Joris
1 / 71 shared
Lunelli, Lorenzo
1 / 5 shared
Feron, P.
1 / 2 shared
Cosi, F.
1 / 2 shared
Righini, G.
1 / 4 shared
Pederzolli, Cecilia
1 / 5 shared
Beclin, F.
1 / 3 shared
Cremonesi, L.
1 / 1 shared
Galbiati, S.
1 / 1 shared
Damin, F.
1 / 7 shared
Carlo, G. Di
1 / 11 shared
Chiari, M.
1 / 10 shared
Mekhlouf, S. E.
2 / 3 shared
Boukenter, Aziz
1 / 22 shared
Goutaland, F.
2 / 3 shared
Ollier, Nadege
1 / 5 shared
Ouerdane, Y.
2 / 25 shared
Romano, F.
1 / 3 shared
Leggieri, G.
1 / 2 shared
Montagna, M.
2 / 7 shared
Martino, M.
1 / 6 shared
Fazzi, A.
1 / 3 shared
Tunno, T.
1 / 4 shared
Vishnubhatla, K.
1 / 1 shared
Mattarelli, M.
2 / 7 shared
Caricato, A. P.
1 / 3 shared
Boukenter, A.
1 / 23 shared
Ollier, N.
1 / 8 shared
Baldissara, Paolo
1 / 3 shared
Valandro, L. F.
1 / 24 shared
Monaco, Carlo
1 / 6 shared
Bottino, M. A.
1 / 25 shared
Scotti, Roberto
1 / 39 shared
Portales, H.
1 / 1 shared
Chaussedent, S.
1 / 4 shared
Marques, A. C.
1 / 4 shared
Gonçalves, R. R.
1 / 1 shared
Zampedri, L.
1 / 2 shared
Tosello, C.
1 / 4 shared
Almeida, R. M.
1 / 3 shared
Varfolomeev, A.
1 / 4 shared
Speranza, Giorgio
1 / 54 shared
Tran, Ngoc K.
1 / 1 shared
Calliari, Lucia
1 / 19 shared
Baranov, Alexandr
1 / 6 shared
Nefedov, A.
1 / 37 shared
Spetsov, V. V.
1 / 2 shared
Fanchenko, S. S.
1 / 1 shared
Chart of publication period
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
2006
2004

Co-Authors (by relevance)

  • Alãa, R. Garcãa
  • Alem, A. K.
  • Girard, S.
  • Pagano, D.
  • Sostero, L.
  • Hasan, A.
  • Aguiar, Y. Q.
  • Donzella, A.
  • Zenoni, A.
  • Bau, M.
  • Ferrari, V.
  • Nastro, A.
  • Basrour, S.
  • Rufer, L.
  • Aceti, P.
  • Ardito, R.
  • Rouvala, M.
  • Rosso, M.
  • Pienazza, N.
  • Corigliano, A.
  • Szczurek, A.
  • Bollani, M.
  • Bursi, O.
  • Gluchowski, P.
  • N., Conti G.
  • Scotognella, F.
  • Lukowiak, A.
  • Zonta, D.
  • Varas, S.
  • Fernandez, J.
  • Carlotto, A.
  • Cian, A.
  • Balda, R.
  • L., Tran T. N.
  • Iacob, E.
  • Ischia, G.
  • Chiasera, A.
  • C., Righini G.
  • Berneschi, S.
  • Sayginer, O.
  • Chiappini, A.
  • Armellini, C.
  • Carpentiero, A.
  • Pontoriero, D. I. K.
  • Benedicenti, S.
  • Vanagolli, V.
  • Madaro, G.
  • Verniani, Giulia
  • Cagidiaco, E. Ferrari
  • Grandini, S.
  • Cirisano, F.
  • Vernet, J.
  • Piccardo, P.
  • Tosi, F.
  • De Sanctis, M. C.
  • Ciarniello, M.
  • Zambon, F.
  • Ammannito, E.
  • Rousseau, B.
  • Raponi, A.
  • Russell, C. T.
  • Raymond, C. A.
  • Carrozzo, F. G.
  • Formisano, M.
  • Frigeri, Alessandro
  • Massella, D.
  • Ramponi, R.
  • Zur, L.
  • Gates, J.
  • Dorosz, D.
  • Boulard, B.
  • C., Falconi M.
  • Prudenzano, F.
  • Nunzi Conti, G.
  • Rossi, B.
  • Righini, Giancarlo C.
  • Blanc, Wilfried
  • Chiasera, Alessandro
  • Chiappini, Andrea
  • Prudenzano, Francesco
  • Sazio, P.
  • Conti, G., Nunzi
  • Tran, T.
  • Righini, G. C.
  • Gonella, F.
  • Cattaruzza, E.
  • Vomiero, Alberto
  • Coccetti, F.
  • Enrichi, F.
  • Trave, E.
  • Belmokhtar, S.
  • Bouajaj, A.
  • Ottini, Riccardo
  • Vomiero, A.
  • Martucci, A.
  • Riello, P.
  • Camposilvan, E.
  • Gremillard, L.
  • Leone, R.
  • Chevalier, J.
  • Sorrentino, R.
  • Zarone, F.
  • Ottini, R.
  • Ghamgosar, P.
  • Benedetti, A.
  • You, S.
  • Colusso, E.
  • Karlsson, M.
  • Tran, L. T. N.
  • Pelli, S.
  • Ristic, D.
  • Conti, G. N.
  • Meneghetti, M.
  • Palma, G.
  • Starecki, F.
  • -L., Adam J.
  • Troles, J.
  • Taccheo, S.
  • Nazabal, V.
  • S., Bhaktha B. N.
  • Trono, C.
  • Carrabba, M.
  • Wood, D.
  • Keeling, Aj
  • Aziz, A.
  • Fonzar, Rf
  • Vichi, A.
  • Tran, T. T. V.
  • Derkowska-Zielinska, B.
  • Boucher, Y. G.
  • Zonta, Daniele
  • Enrichi, Francesco
  • Di Stefano, A.
  • Belluomo, F.
  • Britel, M. R.
  • Polizzi, Stefano
  • Cattaruzza, Elti
  • Mardegan, Marco
  • Sada, C.
  • Trave, Enrico
  • Gonella, Francesco
  • Battaglin, Giancarlo
  • Pontoglio, Enrico
  • Dacapito, F.
  • Santos, L.
  • Vinh, Lam Q.
  • Van, Tran T. T.
  • Bouazaoui, M.
  • Kinowski, C.
  • Almeida, R.
  • Capoen, B.
  • Cristini-Robbe, O.
  • Turrell, S.
  • Piotrowska, A.
  • Marciniak, M.
  • Pascual, M. J.
  • Pablos-Martin, A. De
  • Djouadi, Z.
  • Della Corte, V.
  • Brucato, John Robert
  • Brunetto, R.
  • Merouane, S.
  • Rotundi, A.
  • Rietmeijer, F. J. M.
  • Palumbo, P.
  • Palumbo, M. E.
  • Baratta, G. A.
  • Mennella, V.
  • Borg, J.
  • Dartois, E.
  • Sergeant Dhendecourt, L.
  • Kodjikian, Stéphanie
  • Gao, Y.
  • Alombert-Goget, G.
  • Dieudonné, B.
  • Roussel, P.
  • Van Tran, T. T.
  • Si Bui, T.
  • Cristini, O.
  • Gottardi, G.
  • Micheli, V.
  • Goget, G. Alombert
  • Brusa, R. S.
  • Pandiyan, R.
  • Laidani, N.
  • Bartali, R.
  • Luciu, I.
  • Guglielmi, M.
  • Perotto, G.
  • Mattei, G.
  • Maiwald, M.
  • Bello, V.
  • Antonello, A.
  • Brusatin, G.
  • Zöllmer, V.
  • Re, D.
  • Caimi, F.
  • Augusti, D.
  • Augusti, G.
  • Brenci, M.
  • Moser, E.
  • Guddala, S.
  • Bhaktha, S. N. B.
  • Boetti, Nadia Giovanna
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  • Milanese, Daniel
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  • Lunelli, Lorenzo
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  • Cosi, F.
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  • Pederzolli, Cecilia
  • Beclin, F.
  • Cremonesi, L.
  • Galbiati, S.
  • Damin, F.
  • Carlo, G. Di
  • Chiari, M.
  • Mekhlouf, S. E.
  • Boukenter, Aziz
  • Goutaland, F.
  • Ollier, Nadege
  • Ouerdane, Y.
  • Romano, F.
  • Leggieri, G.
  • Montagna, M.
  • Martino, M.
  • Fazzi, A.
  • Tunno, T.
  • Vishnubhatla, K.
  • Mattarelli, M.
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  • Monaco, Carlo
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  • Scotti, Roberto
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  • Marques, A. C.
  • Gonçalves, R. R.
  • Zampedri, L.
  • Tosello, C.
  • Almeida, R. M.
  • Varfolomeev, A.
  • Speranza, Giorgio
  • Tran, Ngoc K.
  • Calliari, Lucia
  • Baranov, Alexandr
  • Nefedov, A.
  • Spetsov, V. V.
  • Fanchenko, S. S.
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article

Two refractory Wild 2 terminal particles from a carrot-shaped track characterized combining MIR/FIR/Raman microspectroscopy and FE-SEM/EDS analyses

  • Djouadi, Z.
  • Della Corte, V.
  • Brucato, John Robert
  • Brunetto, R.
  • Merouane, S.
  • Rotundi, A.
  • Rietmeijer, F. J. M.
  • Palumbo, P.
  • Palumbo, M. E.
  • Ferrari, M.
  • Baratta, G. A.
  • Mennella, V.
  • Borg, J.
  • Dartois, E.
  • Sergeant Dhendecourt, L.
Abstract

We present the analyses results of two bulk Terminal Particles, C2112,7,171,0,0 and C2112,9,171,0,0, derived from the Jupiter-family comet 81P/Wild 2 returned by the Stardust mission. Each particle embedded in a slab of silica aerogel was pressed in a diamond cell. This preparation, as expected, made it difficult to identify the minerals and organic materials present in these particles. This problem was overcome using a combination of three different analytical techniques, viz. FE-SEM/EDS, IR, and Raman microspectroscopy that allowed identifying the minerals and small amounts of amorphous carbon present in both particles. TP2 and TP3 were dominated by Ca-free and low-Ca, Mg-rich, Mg,Fe-olivine. The presence of melilite in both particles is supported by IR microspectroscopy, but is not confirmed by Raman microspectroscopy, possibly because the amounts are too small to be detected. TP2 and TP3 show similar silicate mineral compositions, but Ni-free and low-Ni, subsulfur (Fe,Ni)S grains are present in TP2 only. TP2 contains indigenous amorphous carbon hot spots; no indigenous carbon was identified in TP3. These nonchondritic particles probably originated in a differentiated body. This work found an unanticipated carbon contamination following the FE-SEM/EDS analyses. It is suggested that organic materials in the embedding silica aerogel are irradiated during FE-SEM/EDS analyses creating a carbon gas that develops a strong fluorescence continuum. The combination of the selected analytical techniques can be used to characterize bulk Wild 2 particles without the need of extraction and removal of the encapsulating aerogel. This approach offers a relatively fast sample preparation procedure, but compressing the samples can cause spurious artifacts, viz. silica contamination. Because of the combination of techniques, we account for these artifacts.

Topics
  • impedance spectroscopy
  • mineral
  • amorphous
  • Carbon
  • grain
  • extraction
  • Energy-dispersive X-ray spectroscopy
  • refractory
  • field-emission scanning electron microscopy