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Charles Cornet

Prof. Dr., Head of FOTON-OHM (Optoelectronics, Heteroepitaxy and Materials) research team
70
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Identifiants chercheurs

Présentation

### **Research projects** \*2023-2027: PEPR Hydrogène décarboné - France 2030: “Robust, cost efficient aNd AUTonomous PhotoelectrochemIcaL cells with III-V thin films on Si for practical hydrogen prodUction. (NAUTILUS)”: coordinator. \*2022-2026: PEPR Electronique - France 2030: “Optical Frequency Combs On a Chip (OFCOC)”: contributor, growth. \*2021-2025: EU COST action: “European Network for Innovative and Advanced Epitaxy (OPERA)”: secondary proposer, Management committee member. \*2021-2025: ANR PRC project “collaborative”: “PhysIcAl properties of hybrid semimetal/semicoNductor III-V/Si maTerials (PIANIST)”: coordinator, growth, simulation, optoelectronic properties. \*2021-2025: ANR PRC project “collaborative”: “Nucleation and growth of III-V on Si explored in situ (NUAGES)”: local coordinator, growth, simulation. \*2021-2025: PIA project Equipex NanoFutur: FOTON local scientific coordinator. \*2021-2024: ANR PRC project “collaborative”: “Light COnveRsioN by photoinduced‐electrochemiluminescence (LICORN)”: contributor, growth. \*2020-2023: ANR PRCE project “collaborative with a company”: “High-Efficiency Epitaxial CIGS-Silicon Tandem Solar Cell (EPCIS)”: contributor, growth. \*2019-2022: ANR PRC project “collaborative”: “Improvement of photovoltaic Conversion Efficiency by acting on thermalization MecANisms (ICEMAN)”: contributor, growth. \*2018-2021: ANR young researcher grant (projet jeune chercheur ANR): “secOnd oRder oPtical pHenomEna in galliUm phosphide microdisks on Silicon (ORPHEUS)”: contributor, growth and simulation. \*2015-2018: ANR PRC project “collaborative”: “Advanced aNalysis of III-V/Si nucleaTIon for highly integrated PhOtonic Devices (ANTIPODE)”: coordinator, growth and simulation. \*2014-2017: Labex Cominlabs project: “3D optical manycores”: contributor. \*2012-2015: ANR “blanc” project: “Epitaxial integration of III-V optoelectronic devices on silicon (OPTOSI)”: project co-writer, contributor. \*2012-2014: ANR young researcher grant (projet jeune chercheur ANR): “Silicon photonics with diluted nitride coherent integration (SINPHONIC)”: project main writer, coordinator, WP leader, contributor. \*2011-2014: National (3) and international (1) beam time allocation at European Synchrotron Radiation Facility (ESRF) on CRG lines D2AM and BM-32. \*2011-2014: ANR PROGELEC project: “Monolithic integration of high efficiency III-V solar cells on silicon (MENHIRS)”: project co-writer, contributor and member of the administrative and financial staff. \*2011-2012: C’nano NANOTRANS project (C’nano Nord-ouest): “dilute nitride quantum dots: relationship between morphology, electronic structure and optical properties”: project co-writer, joint coordinator, contributor. \*2004-2009: FP6 European network of excellence on Self-Assembled semiconductor Nanostructures for new Devices in photonics and Electronics (SANDiE): contributor. \*2004-2008: FP6 European Network of Excellence on Photonic Integrated Components and Circuits (EPIXNET): contributor. ### **Awards** \*Vebleo Fellow (2021). \* Innovation award of the “pôle de compétitivité Images et Réseaux”, for the SINPHONIC ANR project (2013). \* Young researcher award of “Région Bretagne” (2007) \* Best Ph. D. prize of the SANDiE European network of excellence (2006) ### **Short CV** - 2020-present: INSA, Rennes, France Position : Professor at INSA Rennes, Institut FOTON (CNRS), head of the “[Optoelectronics, Heteroepitaxy and Materials (OHM) research group](http://foton.cnrs.fr/v2016/spip.php?rubrique33)”. Personal Research field: Growth, structural, electronic and optical properties of III-V/Si-based light emitters/absorbers on silicon for photonics and energy materials applications. Solar hydrogen production with photo-electrochemical cells. - 2007-2020: INSA, Rennes, France Position : “Maître de Conférences” (Ass. Prof., HDR), at FOTON CNRS Laboratory. Co-head of the “photonics on silicon” research program. Since 2017, head of the “[Optoelectronics, Heteroepitaxy and Materials (OHM) research group](http://foton.cnrs.fr/v2016/spip.php?rubrique33)”. Personal Research field: Growth, structural, electronic and optical properties of GaP-based light emitters/absorbers on silicon for photonics and energy materials applications. - 2006–2007: INSA Rennes, France Position: Post-doctoral fellow with teaching activities at FOTON CNRS Laboratory. Research topic: Growth and characterization of InAs/GaP quantum dots. - 2003–2006: INSA, Rennes (France), TU Berlin (Germany) and KU Leuven (Belgium) Position: Physics PhD Thesis on “electronic, optical and dynamic properties of self-organized and coupled quantum dots on InP substrate” at INSA-Rennes (France) in collaboration with TU Berlin, KU Leuven and TU Eindhoven within European network of excellence SANDIE.PhD Thesis supervised by Pr. J. Even. Research topic: Electronic, optical and dynamic properties of self-organized and coupled quantum dots on InP substrate. - 2003: “Diplôme d’Etudes Approfondies” (DEA = MSc2 degree) of Physics: light and matter interaction, at University of Rennes 1,France. Highest distinction, ranked first. Position: Master 2 training period at LENS laboratory (“Laboratoire d’Etude des Nanostructures à Semiconducteurs”). Research topic: Absorption measurements and simulations of InAs/InP (113)B quantum dots. - 2001-2002: “Agrégation de Physique” passed at Ecole Normale Supérieure (ENS – Paris, France). - 2001: Center for Quantum Electronics, Hanoi (Vietnam) Position: Master 1 training period at CQE laboratory. Research topic: Time-resolved spectroscopy of tunable dye lasers - …-2000: Paris-Sud University, Orsay (France) “Licence”, “Maîtrise” and “Magistère” (BSc and MSc1 degrees) of fundamental physics at Paris-Sud University (Université Paris XI – Orsay, France) Position: BSc training period at “Laboratory of the linear accelerator” (particle physics). Research topic: Analysis of DIRC performances in the frame of the Babar experiment ### **Teaching Activities** \* Energetics and environment: from nuclear to renewable energies. \* Applied quantum mechanics (quantum mechanic for beginners). \* Thermodynamics.

Compétences

-Materials for Photonics and Energy / Photovoltaics and Solar Hydrogen -III-V semiconductors and Silicon -Physics of semiconductors: modeling of nanostructures, bandstructures, bandlineups -Optical and structural properties of semiconductors compounds and devices -Epitaxy and Ultra-High Vacuum crystal growth techniques -Atomic Force Microscopy (AFM) and related near-field techniques -Surface and volume diffraction (RHEED, XRD)

Publications

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"olivier-durand"
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Strong Electron–Phonon Interaction in 2D Vertical Homovalent III–V Singularities

Lipin Chen , Oliver Skibitzki , Laurent Pedesseau , Antoine Létoublon , Julie Stervinou
ACS Nano, 2020, 14 (10), pp.13127-13136. ⟨10.1021/acsnano.0c04702⟩
Article dans une revue hal-03032030v1

MBE growth and doping of AlGaP

Ronan Tremblay , Jean-Philippe Burin , Tony Rohel , Jean-Philippe Gauthier , Samy Almosni
Journal of Crystal Growth, 2017, 466, pp.6-15. ⟨10.1016/j.jcrysgro.2017.02.011⟩
Article dans une revue hal-01529569v1

Correlations between electrical and optical properties in lattice-matched GaAsPN/GaP solar cells

Samy Almosni , P. Rale , C. Cornet , Mathieu Perrin , L. Lombez
Solar Energy Materials and Solar Cells, 2016, 147, pp.53-60. ⟨10.1016/j.solmat.2015.11.036⟩
Article dans une revue hal-01272057v1
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Quantitative evaluation of microtwins and antiphase defects in GaP/Sinanolayers for a III–V photonics platform on siliconusing a laboratory Xray diffraction setup

Yanping Wang , Antoine Létoublon , Thanh Tra Nguyen , Mounib Bahri , Ludovic Largeau
Journal of Applied Crystallography, 2015, 48 (3), pp.702-710. ⟨10.1107/S1600576715009954⟩
Article dans une revue hal-01157811v1
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Monolithic Integration of Diluted-Nitride III–V-N Compounds on Silicon Substrates: Toward the III–V/Si Concentrated Photovoltaics

Olivier Durand , Samy Almosni , Yanping Wang , C. Cornet , A. Létoublon
Energy Harvesting and Systems, 2014, 1 (3-4), pp.147-156. ⟨10.1515/ehs-2014-0008⟩
Article dans une revue hal-01166477v1

Nitrogen-phosphorus competition in the molecular beam epitaxy of GaPN

Jithesh Kuyyalil , Thanh Tra Nguyen , Thomas Quinci , Samy Almosni , Antoine Létoublon
Journal of Crystal Growth, 2013, 377, pp.17-21. ⟨10.1016/j.jcrysgro.2013.04.052⟩
Article dans une revue hal-00918658v1

Synchrotron X-ray diffraction analysis for quantitative defect evaluation in GaP/Si nanolayers

Thanh Tra Nguyen , Cédric Robert Robert , Antoine Létoublon , Charles Cornet , Thomas Quinci
Thin Solid Films, 2013, Current Trends in Optical and X-Ray Metrology of Advanced Materials for Nanoscale Devices III, 541, pp.36-40. ⟨10.1016/j.tsf.2012.11.116⟩
Article dans une revue hal-00788396v1
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Structural and optical properties of (In,Ga)As/GaP quantum dots and (GaAsPN/GaPN) diluted-nitride nanolayers coherently grown onto GaP and Si substrates for photonics and photovoltaics applications

Olivier Durand , Cédric Robert Robert , Thanh Tra Nguyen , Samy Almosni , Thomas Quinci
Proceedings of SPIE, the International Society for Optical Engineering, 2013, Quantum sensing and nanophotonic devices X, 8631, pp.863126. ⟨10.1117/12.2012670⟩
Article dans une revue hal-00842763v1

Defects limitation in epitaxial GaP on bistepped Si surface using UHVCVD-MBE growth cluster

Thomas Quinci , Jithesh Kuyyalil , Thanh Tra Nguyen , Yanping Wang , Samy Almosni
Journal of Crystal Growth, 2013, 380, pp.157-162. ⟨10.1016/j.jcrysgro.2013.05.022⟩
Article dans une revue hal-00918659v1

Evaluation of InGaPN and GaAsPN materials lattice-matched to Si for multi-junction solar cells

Samy Almosni , Cédric Robert Robert , Thanh Tra Nguyen , Charles Cornet , Antoine Létoublon
Journal of Applied Physics, 2013, 113 (12), pp.123509. ⟨10.1063/1.4798363⟩
Article dans une revue hal-00918663v1

Preferential incorporation of substitutional nitrogen near the atomic step edges in diluted nitride alloys

Charles Cornet , Thanh Tra Nguyen , Thomas Quinci , Samy Almosni , Tony Rohel
Applied Physics Letters, 2012, 101 (25), pp.251906. ⟨10.1063/1.4772785⟩
Article dans une revue hal-00788403v1

Thermodynamic evolution of antiphase boundaries in GaP/Si epilayers evidenced by advanced X-ray scattering

Weiming Guo , Alexandre Bondi , Charles Cornet , Antoine Létoublon , Olivier Durand
Applied Surface Science, 2012, 258, pp.2808. ⟨10.1016/j.apsusc.2011.10.139⟩
Article dans une revue hal-00654301v1

Electronic, optical and structural properties of (In,Ga)As/GaP quantum dots

Cédric Robert Robert , Charles Cornet , Pascal Turban , Thanh Tra Nguyen , Mikhail O. Nestoklon
Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2012, 86, pp.205316. ⟨10.1103/PhysRevB.86.205316⟩
Article dans une revue hal-00726726v1
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Structural and optical analyses of GaP/Si and (GaAsPN/GaPN)/GaP/Si nanolayers for integrated photonics on silicon

Thanh Tra Nguyen , Cédric Robert Robert , Weiming Guo , Antoine Létoublon , Charles Cornet
Journal of Applied Physics, 2012, 112 (5), pp.053521. ⟨10.1063/1.4751024⟩
Article dans une revue hal-00726722v1

X-ray study of antiphase domains and their stability in MBE grown GaP on Si.

A. Letoublon , Weiming Guo , C. Cornet , Alexandre Boulle , M. Veron
Journal of Crystal Growth, 2011, Proceedings of the 16th International Conference on Molecular Beam Epitaxy (ICMBE), 323 (1), pp.409-412. ⟨10.1016/j.jcrysgro.2010.10.137⟩
Article dans une revue hal-00692315v1

Room temperature photoluminescence of high density (In,Ga)As/GaP quantum dots

Thanh Tra Nguyen , Cédric Robert Robert , Charles Cornet , Mathieu Perrin , Jean-Marc Jancu
Applied Physics Letters, 2011, 99, pp.143123. ⟨10.1063/1.3646911⟩
Article dans une revue hal-00654296v1

Optical properties of GaP/Si active microdisks containing InGaAs/GaP quantum dots

Ronan Tremblay , Tony Rohel , Alain Le Corre , Rozenn Bernard , Nicolas Bertru
Nanophotonics and Micro/Nano Optics International Conference 2017 (NANOP 2017), Prem C, Sep 2017, Barcelona, Spain
Communication dans un congrès hal-01707877v1

Analyse quantitative des antiphases dans des nanocouches épitaxiales GaP/Si pour la photonique sur silicium

Yanping Wang , Antoine Létoublon , Thanh Tra Nguyen , Charles Cornet , Nicolas Bertru
Rayons X & Matière 2015, Dec 2015, Grenoble, France
Communication dans un congrès hal-01497228v1

Monolithic integration of GaAsPN dilute-nitride compounds on silicon substrates: toward the III-V/Si tandem solar cell

Olivier Durand , Samy Almosni , Yanping Wang , Charles Cornet , Antoine Létoublon
SPIE Photonics West - OPTO 2015, Feb 2015, San Francisco, United States
Communication dans un congrès hal-01497194v1

Composition dependent nature of the fundamental optical transition in (In,Ga)As/GaP quantum dots

Cédric Robert Robert , Charles Cornet , Thanh Tra Nguyen , M. Nestoklon , Katiane Pereira da Silva
26th International Conference on Indium Phosphide and Related Materials (IPRM 2014), May 2014, Montpellier, France. pp.Th-B1-2, ⟨10.1109/ICIPRM.2014.6880555⟩
Communication dans un congrès hal-01114877v1

Low cristalline defect density in GaP/Si nanolayers

Yanping Wang , Julien Stodolna , Thanh Tra Nguyen , Antoine Létoublon , Jithesh Kuyyalil
European Materials Research Society 2014 Sptring Meeting (E-MRS 2014), May 2014, Lille, France
Communication dans un congrès hal-01115024v1

Analyse quantitative par diffraction des rayons X des défauts plans dans GaP/SI pour la photonique sur Si

Yanping Wang , Thanh Tra Nguyen , Antoine Létoublon , Charles Cornet , Nicolas Bertru
Réunion plénière du GDR Pulse (PULSE 2014), Oct 2014, Toulouse, France
Communication dans un congrès hal-01137337v1

Epitaxie cohérente de composés GaP et GaAsPN à azote dilué sur substrats de Si pour l’élaboration de cellules PV tandem III-V/Si

Olivier Durand , Samy Almosni , Yanping Wang , Charles Cornet , Antoine Létoublon
Matériaux 2014, Nov 2014, Montpellier, France
Communication dans un congrès hal-01115312v1

Thorough structural and optical analyses of GaP-based heterostructures monolithically grown on silicon substrates for photonics on Si applications: toward the laser on silicon and high efficiency photovoltaics on silicon

Olivier Durand , Yanping Wang , Samy Almosni , Mounib Bahri , Julien Stodolna
6th International Workshop on "Advanced optical and X-ray characterization techniques of multifunctional materials for information and communication technologies, health and renewable energy applications", Sep 2014, Bucharest, Romania
Communication dans un congrès hal-01114912v1

Abrupt heterointerface and low defect density in GaP/Si nanolayers

Yanping Wang , Julien Stodolna , Thanh Tra Nguyen , Antoine Létoublon , Jithesh Kuyyalil
Compound Semiconductor Week 2014, May 2014, Montpellier, France
Communication dans un congrès hal-01115278v1

Quantitative evaluation of microtwins and antiphase defects in GaP/Si nanolayers for III-V photonics platform on silicon

Yanping Wang , Antoine Létoublon , Thanh Tra Nguyen , Julien Stodolna , Nicolas Bertru
12th Biennal Conference on High-Resolution X-Ray Diffraction and Imaging, Sep 2014, Villard de Lans, France
Communication dans un congrès hal-01115004v1

UHVCVD-MBE growth for tandem solar cells

Samy Almosni , Charles Cornet , Thomas Quinci , Thanh Tra Nguyen , Jithesh Kuyyalil
4th PhotoVoltaic Technical Conference (PVTC 2013), May 2013, Aix-en-Provence, France
Communication dans un congrès hal-00918732v1

Optimisation des propriétés structurale de l'interface GaP/Si et des propriétés électroniques de cellules solaires GaAsPN/GaP pour la fabrication de cellule tandem

Samy Almosni , Cédric Robert Robert , Charles Cornet , Thanh Tra Nguyen , Yanping Wang
Journées nationales du Photovoltaïque JNPV 2013, Dec 2013, Dourdan, France
Communication dans un congrès hal-00918758v1

Boîtes quantiques semi-conductrices : relation entre morphologie, structure électronique et propriétés optiques

Charles Cornet , Pascal Turban , Cédric Robert Robert , Sylvain Tricot , Mathieu Perrin
Journées Nanosciences et Nanotechnologies du Nord Ouest 2013 (J2NO 2013), Nov 2013, Rennes, France
Communication dans un congrès hal-00918787v1

Développement d'un cluster de croissance UHVCVD-MBE pour l'intégration pseudomorphique III-V/Si

Charles Cornet , Tony Rohel , Olivier Dehaese , Nicolas Chevalier , Antoine Létoublon
Réunion plénière du GDR Pulse (PULSE 2013), Jul 2013, Aix-en-Provence, France
Communication dans un congrès hal-00918749v1

Enhanced incorporation of nitrogen on atomic step edges adsorption sites in diluted nitrides alloys

Charles Cornet , Thanh Tra Nguyen , Thomas Quinci , Samy Almosni , Jithesh Kuyyalil
euro-MBE conference, Mar 2013, Levi, Finland
Communication dans un congrès hal-00918668v1

Analyse quantitative de la perfection cristalline de nanocouches épitaxiales GaP/Si

Antoine Létoublon , Thanh Tra Nguyen , Yanping Wang , Samy Almosni , Charles Cornet
Xème colloque rayons X et matière, Nov 2013, Nantes, France
Communication dans un congrès hal-00918790v1

GaAsPN compounds for Si photonics

Charles Cornet , Cédric Robert Robert , Samy Almosni , Thanh Tra Nguyen , Thomas Quinci
International Workshop "Silicon & Photonics", Jun 2013, Rennes, France
Communication dans un congrès hal-00918743v1

Intégration optique par croissance directe de nanostructures III-V sur silicium

Charles Cornet , Cédric Robert Robert , Thanh Tra Nguyen , Yanping Wang , Samy Almosni
14èmes Journées Nano, Micro et Optoélectronique (JNMO), May 2013, Evian, France
Communication dans un congrès hal-00918745v1

Growth of GaP on biatomic Si steps using a UHVCVD-MBE cluster

Jithesh Kuyyalil , Thanh Tra Nguyen , Thomas Quinci , Charles Cornet , Antoine Létoublon
euro-MBE conference, Mar 2013, Levi, Finland
Communication dans un congrès hal-00918666v1

Etude par TEM et DRX des défauts cristallins dans des couches épitaxiées par MBE de GaP sur Silicium (001)

Julien Stodolna , François Demangeot , Anne Ponchet , Nicolas Bertru , Olivier Durand
Réunion plénière du GDR Pulse (PULSE 2013), Jul 2013, Aix-en-Provence, France
Communication dans un congrès hal-00918748v1

UHVCVD-MBE growth cluster for III-N-V/Si solar cells

Samy Almosni , Charles Cornet , Thomas Quinci , Thanh Tra Nguyen , Jithesh Kuyyalil
Compound semiconductors week, ISCS, 2013, May 2013, Kobe, Japan
Communication dans un congrès hal-00918735v1

Monolithic integration of diluted-nitride III-V-N compounds on silicon substrates : toward the III-V/Si Concentrated Photovoltaics

Olivier Durand , Samy Almosni , Cédric Robert Robert , Thanh Tra Nguyen , Yanping Wang
International Symposium on Inorganic and Environmental Materials, Oct 2013, Rennes, France
Communication dans un congrès hal-00918754v1

gamma-X competition for the optical transition of (In,Ga)As(N)/GaP quantum dots (QDs)

Cédric Robert Robert , Charles Cornet , Olivier Durand , K. Pereira da Silva , Pascal Turban
European Materials research society meeting EMRS 2013, May 2013, Strasbourg, France
Communication dans un congrès hal-00918730v1

Nature of the optical transition in (In,Ga)As(N)/GaP quantum dots (QDs): effect of QD size, indium composition and nitrogen incorporation

Cédric Robert Robert , Charles Cornet , K. Pereira da Silva , Pascal Turban , S. Mauger
Compound semiconductors week, IPRM, 2013, May 2013, Kobe, Japan
Communication dans un congrès hal-00918734v1

Analyse quantitative des micromacles dans des nanocouches épitaxiales GaP/Si pour la photonique sur silicium

Yanping Wang , Thanh Tra Nguyen , Antoine Létoublon , Charles Cornet , Nicolas Bertru
Xème colloque rayons X et matière, Nov 2013, Nantes, France
Communication dans un congrès hal-00918791v1

Γ-X competition in (In,Ga)As/GaP quantum dots (QDs) : effect of QD size and Indium composition

Cédric Robert Robert , Charles Cornet , Pascal Turban , S. Mauger , Thanh Tra Nguyen
euro-MBE conference, Mar 2013, Levi, Finland
Communication dans un congrès hal-00918669v1

Unusual C2 symmetry properties of (In,Ga)As/GaP quantum dots morphology

Charles Cornet , Pascal Turban , Cédric Robert Robert , Thanh Tra Nguyen , Sylvain Tricot
international conference on superlattice, nanostructures and nanodevices (ICSNN), 2012, Dresden, Germany
Communication dans un congrès hal-00726864v1

Quantitative study of microtwins in GaP/Si thin film and GaAsPN quantum wells grown on silicon substrates

Thanh Tra Nguyen , Cédric Robert Robert , Emmanuel Giudicelli , Antoine Létoublon , Charles Cornet
17th International Conference on Molecular Beam Epitaxy (MBE 2012), Sep 2012, Nara, Japan. pp.25-28, ⟨10.1016/j.jcrysgro.2012.11.046⟩
Communication dans un congrès hal-00788399v1

(In,Ga)As/GaP quantum dots for monolithic integration on silicon

Cédric Robert Robert , Thanh Tra Nguyen , Charles Cornet , Pascal Turban , Mathieu Perrin
31st International Conference on the Physics of Semiconductors (ICPS 2012), Jul 2012, Zurich, Switzerland
Communication dans un congrès hal-00726878v1

Evaluation of InGaP(N) and GaAsP(N) materials lattice-matched to Si for multi-junction solar cells

Samy Almosni , Cédric Robert Robert , Thomas Quinci , Thanh Tra Nguyen , Charles Cornet
international conference on MBE, 2012, Japan
Communication dans un congrès hal-00726772v1

Monolithic growth of III-V-N diluted nitride devices on Si substrate for solar cells

Olivier Durand , Samy Almosni , Cédric Robert Robert , Thanh Tra Nguyen , Charles Cornet
Journées nationales du photovoltaïque JNPV2012, 2012, Chantilly, France
Communication dans un congrès hal-00788544v1
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Theoretical and experimental study of (In,Ga)As/GaP quantum dots

Cédric Robert Robert , Thanh Tra Nguyen , Charles Cornet , Pascal Turban , Mathieu Perrin
International Conference on Superlattices, Nanostructures, and Nanodevices (ICSNN 2012), Jul 2012, Dresden, Germany. pp.643, ⟨10.1186/1556-276X-7-643⟩
Communication dans un congrès hal-00726861v1

coherent integration of photonics on silicon through the growth of GaP/Si

Thanh Tra Nguyen , Cédric Robert , Charles Cornet , Weiming Guo , Antoine Létoublon
Technical Meeting of Sandie European Network of Excellence, 2012, Berlin, Germany
Communication dans un congrès hal-00788526v1

Optical and structural properties of (In,Ga)As/GaP quantum dots : C2 to C2v symmetry transition during the ripening process

Cédric Robert Robert , Charles Cornet , Pascal Turban , Thanh Tra Nguyen , Sylvain Tricot
international conference on MBE, 2012, Nara, Japan
Communication dans un congrès hal-00726776v1

Growth of III-V GaP on biatomic Si steps using a UHVCVD-MBE cluster

Thomas Quinci , Jithesh Kuyyalil , Thanh Tra Nguyen , Charles Cornet , Antoine Létoublon
Journées nationales du photovoltaïque 2012, 2012, Chantilly, France
Communication dans un congrès hal-00788460v1

Développement d'un laser sur silicium dans l'approche pseudomorphique

Cédric Robert Robert , Charles Cornet , Thanh Tra Nguyen , Mathieu Perrin , Antoine Létoublon
Journées nationales de l'optique guidée, 2012, Lyon, France
Communication dans un congrès hal-00788434v1

Evaluation of InGaPN and GaAsPN materials lattice-matched to Si for multi-junction solar cells

Samy Almosni , Pierre Râle , Cédric Robert Robert , Thanh Tra Nguyen , Charles Cornet
Journées nationales du photovoltaïque (JNPV 2012), 2012, Chantilly, France
Communication dans un congrès hal-00788478v1

Coherent integration of photonics on silicon through the growth of nanostructures on GaP/Si

Thanh Tra Nguyen , Cédric Robert Robert , Charles Cornet , Weiming Guo , Antoine Létoublon
Photonics west 2012, Jan 2012, San Fransisco, United States. pp.82681H, ⟨10.1117/12.910279⟩
Communication dans un congrès hal-00654337v1

Structural characterisation of GaP/Si nanolayers

Weiming Guo , Thanh Tra Nguyen , Antoine Létoublon , Georges Elias , Charles Cornet
European Materials Research Society 2011, May 2011, Strasbourg, France
Communication dans un congrès hal-00654330v1

Structural charaterisation of GaP/Si nanolayers

Weiming Guo , Thanh Tra Nguyen , Georges Elias , Antoine Létoublon , Charles Cornet
Compound Semiconductor Week 2011 - 23rd International Conference on Indium Phosphide and Related Materials (IPRM 2011), May 2011, Berlin, Germany. pp.1-4
Communication dans un congrès hal-00654292v1

structural characterization of MBE grown GaP/Si nanolayers

Weiming Guo , Georges Elias , Antoine Létoublon , Charles Cornet , Anne Ponchet
euro-MBE, Mar 2011, Alpe d'Huez, France
Communication dans un congrès hal-00654309v1

Carrier injection in GaAsP(N)/GaPN Quantum Wells on Silicon

Charles Cornet , Cédric Robert Robert , Thanh Tra Nguyen , Weiming Guo , Alexandre Bondi
Compound Semiconductor Week 2011 - 23rd International Conference on Indium Phosphide and Related Materials (IPRM 2011), May 2011, Berlin, Germany. pp.1
Communication dans un congrès hal-00654285v1

Room temperature photoluminescence if InxGa1-xAs quantum dots on GaP substrate

Cédric Robert Robert , Thanh Tra Nguyen , Charles Cornet , Nicolas Bertru , Nicolas Chevalier
Journées Boîtes Quantiques 2011 (JBQ 2011), Jun 2011, Toulouse, France
Communication dans un congrès hal-00654317v1
Image document

Croissance hétérogène de semi-conducteurs III-V sur silicium : vers l'optoélectronique sur silicium

Charles Cornet , Antoine Létoublon , Weiming Guo , Alexandre Bondi , Soline Richard
Séminaire PONANT 2010, Jul 2010, Rennes, France. pp.9-11
Communication dans un congrès hal-00504506v1

Performances of III-P/Si based photoelectrodes for solar hydrogen production

Lipin Chen , Mekan Piriyev , Antoine Létoublon , Olivier Durand , Laurent Pedesseau
Journées Nationales du photovoltaïque 2020, Jan 2021, Dourdan, France. 2021
Poster de conférence hal-03032889v1

Indium content impact on structural and optical properties of (In,Ga)As/GaP quantum dots

Ronan Tremblay , Tony Rohel , Yoan Léger , Alain Le Corre , Rozenn Bernard
31è colloque Journées Surfaces et Interfaces (JSI 2017), Jan 2017, Rennes, France
Poster de conférence hal-01707905v1

AlGaP-growth and doping by MBE

Ronan Tremblay , Jean-Philippe Burin , Tony Rohel , Jean-Philippe Gauthier , Samy Almosni
19th International Conference on Molecular-Beam Epitaxy (IC-MBE 2016), Sep 2016, Montpellier, France
Poster de conférence hal-01497057v1

Structural and optical properties investigation of (In,Ga)As/GaP quantum dots for direct bandgap emission

Ronan Tremblay , Tony Rohel , Yoan Léger , Alain Le Corre , Rozenn Bernard
19th International Conference on Molecular-Beam Epitaxy (IC-MBE 2016), Sep 2016, Montpellier, France
Poster de conférence hal-01497049v1
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GaP/Si Antiphase domains annihilation at the early stages of growth

Rozenn Bernard , Yanping Wang , Mounib Bahri , Thanh Tra Nguyen , Ronan Tremblay
Summer School of the French Epitaxy Network, Sep 2015, Porquerolles, France
Poster de conférence hal-02497252v1

Lattice-matched GaAsPN/GaP single junction solar cell for high-efficiency tandem solar cells on silicon

Samy Almosni , Charles Cornet , Antoine Létoublon , Nicolas Bertru , Alain Le Corre
Euro-MBE 2015, Mar 2015, Canazei, Italy. 2015
Poster de conférence hal-01147439v1

Annealing effect on electrical properties of GaAsPN solar cells

Samy Almosni , Pierre Râle , Charles Cornet , Christophe Levallois , Laurent Lombez
29th European PV Solar Energy Conference (EU PVSEC 2014), Sep 2014, Amsterdam, Netherlands. 2014
Poster de conférence hal-01115032v1

Development of GaAsPN alloy for its integration in III-V/Si tandem solar cell

Samy Almosni , Cédric Robert Robert , Charles Cornet , Thanh Tra Nguyen , Yanping Wang
Workshop on above 25% efficiency solar cells via low cost approaches, Jul 2014, Palaiseau, France
Poster de conférence hal-01115014v1

Impact of annealing on the performances of GaAsPN-based solar cells

Samy Almosni , Pierre Râle , Charles Cornet , Christophe Levallois , Laurent Lombez
Compound Semiconductor Week 2014, May 2014, Montpellier, France. 2014
Poster de conférence hal-01115039v1

Nature of the optical transition in (In,Ga)As(N)/GaP quantum dots (QDs): effect of QD size, indium composition and nitrogen incorporation

Cédric Robert Robert , Charles Cornet , K. Pereira da Silva , Pascal Turban , S. Mauger
25th International Conference on Indium Phosphide and Related Materials (IPRM2013), May 2013, Kobe, Japan. IEEE (ISSN: 1092-8669 ; e-ISBN: 978-1-4673-6131-6 ; Print ISBN: 978-1-4673-6130-9), IEEE Xplore Digital Library, pp.1-2, 2013, International Conference on Indium Phosphide and Related Materials (IPRM), 2013. ⟨10.1109/ICIPRM.2013.6562587⟩
Poster de conférence hal-00918662v1