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Charles Cornet

Prof. Dr., Head of FOTON-OHM (Optoelectronics, Heteroepitaxy and Materials) research team
44
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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

rozenn-bernard

Evidence of cationic antiphase disorder in epitaxial Cu(In,Ga)S2 grown on GaP/Si(001)

Eugène Bertin , Eric Gautron , Nicolas Barreau , C. Cornet , Ludovic Arzel
physica status solidi (RRL) - Rapid Research Letters, 2024, Physica Status Solidi (rrl) Rapid Research Letters, ⟨10.1002/pssr.202300485⟩
Article dans une revue hal-04505810v1
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Unveiling the role of copper content in the crystal structure and phase stability of epitaxial Cu(In,Ga)S2 films on GaP/Si(001)

Eugène Bertin , Olivier Durand , Antoine Létoublon , Charles Cornet , Ludovic Arzel
Materials Science in Semiconductor Processing, 2023, 166, pp.107685. ⟨10.1016/j.mssp.2023.107685⟩
Article dans une revue hal-04186997v1
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Epitaxial III–V/Si Vertical Heterostructures with Hybrid 2D‐Semimetal/Semiconductor Ambipolar and Photoactive Properties

Lipin Chen , Yoan Léger , Gabriel Loget , Mekan Piriyev , Imen Jadli
Advanced Science, 2022, 9 (2), pp.2101661. ⟨10.1002/advs.202101661⟩
Article dans une revue hal-03426793v1
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Assessment of GaPSb/Si tandem material association properties for photoelectrochemical cells

Lipin Chen , Mahdi Alqahtani , Christophe Levallois , Antoine Létoublon , Julie Stervinou
Solar Energy Materials and Solar Cells, 2021, 221, pp.110888. ⟨10.1016/j.solmat.2020.110888⟩
Article dans une revue hal-03031939v1
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Zinc-blende group III-V/group IV epitaxy: Importance of the miscut

Charles Cornet , Simon Charbonnier , Ida Lucci , Lipin Chen , Antoine Létoublon
Physical Review Materials, 2020, 4 (5), pp.053401. ⟨10.1103/PhysRevMaterials.4.053401⟩
Article dans une revue hal-02878985v1
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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
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Loss assessment in random crystal polarity gallium phosphide microdisks grown on silicon

Rasool Saleem-Urothodi , Julie Le Pouliquen , Tony Rohel , Rozenn Bernard , Christelle Pareige
Optics Letters, 2020, 45 (16), pp.4646. ⟨10.1364/OL.399935⟩
Article dans une revue hal-02926153v1
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Universal description of III-V/Si epitaxial growth processes

Ida Lucci , Simon Charbonnier , L. Pedesseau , Maxime Vallet , Laurent Cerutti
Physical Review Materials, 2018, 2 (6), pp.060401(R). ⟨10.1103/PhysRevMaterials.2.060401⟩
Article dans une revue hal-01833206v1
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Abrupt GaP/Si hetero-interface using bistepped Si buffer

Yanping Wang , Julien Stodolna , Mounib Bahri , Jithesh Kuyyalil , Thanh Tra Nguyen
Applied Physics Letters, 2015, 107 (19), pp.191603. ⟨10.1063/1.4935494⟩
Article dans une revue hal-01228809v1

Robust 2D semimetallic inclusions boost performances of III-V/Si heterostructures for water-splitting

Lipin Chen , Yoan Léger , Gabriel Loget , Mekan Piriyev , Imen Jadli
17è Journées de la Matière Condensée (JMC 17), Aug 2021, Rennes (virtual), France
Communication dans un congrès hal-03402743v1

III-V/Si photoelectrodes with ambipolar properties

Lipin Chen , Yoan Léger , Gabriel Loget , Mekan Piriyev , Imen Jadli
5èmes Journées des Carburants Solaires, Sep 2021, Saint Jacut de la Mer, France
Communication dans un congrès hal-03408282v1

Optical losses in GaP microdisks on Si with controlled random polarity

Rasool Saleem-Urothodi , Julie Le Pouliquen , Tony Rohel , Rozenn Bernard , Christelle Velly-Pareige
17è Journées de la Matière Condensée (JMC 17), Aug 2021, Rennes (virtual), France
Communication dans un congrès hal-03402730v1

Is a substrate miscut really required for high quality III-V/Si monolithic integration?

Charles Cornet , Simon Charbonnier , Ida Lucci , Lipin Chen , Antoine Létoublon
21st International Conference on Molecular Beam Epitaxy (ICMBE 2021), Sep 2021, Mexico (virtual), Mexico
Communication dans un congrès hal-03402689v1

High-Quality Factor Zinc-Blende III-V Microdisks on Silicon for Nonlinear Photonics

Rasool S Urothodi , Julie Le Pouliquen , Tony Rohel , Rozenn Bernard , Christelle Velly-Pareige
Compound Semiconductor Week 2021 (CSW 2021), May 2021, Stockholm, France
Communication dans un congrès hal-03285528v1

III-V/Si antiphase boundaries used as 2D-semimetallic topological vertical inclusions for solar hydrogen production

Lipin Chen , Yoan Léger , Gabriel Loget , Mekan Piriyev , Imen Jadli
21st International Conference on Molecular Beam Epitaxy (IC-MBE 2021), Sep 2021, Mexico (virtual), Mexico
Communication dans un congrès hal-03392254v1

Crystal-polarity engineered gallium phosphide microdisks grown on silicon

Rasool Saleem-Urothodi , Julie Le Pouliquen , Tony Rohel , Rozenn Bernard , Christelle Pareige
IOP conference- PHOTON2020, Sep 2020, virtual, United Kingdom
Communication dans un congrès hal-03032794v1

GaPSb/Si tandem material with APBs for efficient overall water splitting

Lipin Chen , Mahdi Alqahtani , Christophe Levallois , Antoine Létoublon , Julie Le Pouliquen
Journées Nanomatériaux de Rennes, Jan 2020, Rennes, France
Communication dans un congrès hal-03032905v1

Random crystal polarity of Gallium phosphide microdisks on silicon

Rasool S Urothodi , Alejandro Lorenzo-Ruiz , Julie Le Pouliquen , Olivier de Sagazan , Tony Rohel
Journées Nanomatériaux de Rennes, Jan 2020, Rennes, France
Communication dans un congrès hal-03101371v1

GaPSb/Si photoelectrode for Solar Fuel Production

Lipin Chen , Christophe Levallois , Antoine Létoublon , Julie Le Pouliquen , Rozenn Piron
European COST multsicaleSolar Final meeting, Apr 2019, Sofia, Bulgaria
Communication dans un congrès hal-03102622v1

III-V/Si photoelectrodes: a new route for solar hydrogen production

Charles Cornet , Lipin Chen , Mahdi Alqahtani , Christophe Levallois , Antoine Létoublon
11è Journées Scientifiques de Porquerolles (JSP2019), C'Nano-PACA, Sep 2019, Porquerolles, France
Communication dans un congrès hal-02305423v1

A universal mechanism to describe III-V epitaxy on Si

Ida Lucci , Simon Charbonnier , Laurent Pedesseau , Maxime Vallet , Laurent Cerutti
20th European Molecular Beam Epitaxy Workshop (Euro-MBE 2019), Feb 2019, Lenggries, Germany
Communication dans un congrès hal-02048639v1

Universal growth mechanism of III-V/Si: using antiphase boundaries for devices.

Charles Cornet , Ida Lucci , Lipin Chen , Laurent Pedesseau , Rozenn Bernard
Réunion plénière du GDR Pulse (PULSE 2019), Jul 2019, Clermont-Ferrand, France
Communication dans un congrès hal-02189095v1

A general III-V/Si growth process description

Ida Lucci , Simon Charbonnier , Laurent Pedesseau , Maxime Vallet , Laurent Cerutti
European Materials Research Society - Spring Meeting 2018 (E-MRS 2018 Spring Meeting), Jun 2018, Strasbourg, France
Communication dans un congrès hal-01910535v1

III-V/Si heterogeneous growth : thermodynamics and antiphase domains formation

Ida Lucci , Simon Charbonnier , Laurent Pedesseau , Maxime Vallet , Laurent Cerutti
34th International Conference on the Physics of Semiconductors (ICPS 2018), Jul 2018, Montpellier, France
Communication dans un congrès hal-01910543v1

A universal mechanism to describe the III-V on Si growth by Molecular Beam Epitaxy

Ida Lucci , Simon Charbonnier , Laurent Pedesseau , Maxime Vallet , Laurent Cerutti
20th International Conference on Molecular-Beam Epitaxy (ICMBE 2018), Sep 2018, Shanghai, China. pp.Th-C1-3(S)
Communication dans un congrès hal-01910554v1

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

III-V/Si 3D crystal growth: a thermodynamic description

Ida Lucci , Simon Charbonnier , Maxime Vallet , Tony Rohel , Rozenn Bernard
Energy Materials Nanotechnology Meeting 2017 / Collaborative Conference on Crystal Growth (EMN 3CG 2017), Aug 2017, Berlin, Germany
Communication dans un congrès hal-01708282v1

GaP/Si(001) polar-on-nonpolar epitaxial growth revisited by scanning tunneling microscopy.

Simon Charbonnier , Ida Lucci , Subhashis Gangopadhyay , Yanping Wang , Tony Rohel
Réunion plénière du GDR Pulse (PULSE 2017), Oct 2017, Paris, France
Communication dans un congrès hal-01715954v1

GaP/Si(001) polar-on-nonpolar epitaxial growth revisited by scanning tunneling microscopy

Simon Charbonnier , Ida Lucci , Subhashis Gangopadhyay , Yanping Wang , Tony Rohel
16th International Conference on the Formation of Semiconductor Interfaces (ICFSI-16), Jul 2017, Hannover, Germany
Communication dans un congrès hal-01715971v1

Etude de la croissance cohérente de GaP/Si(001) en couche mince

Ida Lucci , Simon Charbonnier , Yanping Wang , Mounib Bahri , Maxime Vallet
Réunion plénière du GDR Pulse (PULSE 2016), Jul 2016, Marseille, France
Communication dans un congrès hal-01497149v1

3D GaP/Si(001) growth mode and antiphase boundaries

Ida Lucci , Simon Charbonnier , Yanping Wang , M. Bahri , Maxime Vallet
19th International Conference on Molecular-Beam Epitaxy (IC-MBE 2016), Sep 2016, Montpellier, France
Communication dans un congrès hal-01497144v1
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Influence des paramètres de croissance de l'homoépitaxie silicium par UHV- CVD sur la reconstruction de surface du silicium

Rozenn Bernard , Nicolas Bertru , Tony Rohel , Karine Tavernier , Ida Lucci
Journées Nanomatériaux, Jan 2020, Rennes, France
Poster de conférence hal-02474736v1

Electron-phonon interactions around antiphase boundaries in InGaP/SiGe/Si : structural and optical characterizations

Lipin Chen , Rozenn Piron , Oliver Skibitzki , Yoan Léger , Christophe Levallois
International Symposium : 20th Anniversary of LPQM, Apr 2019, Cachan, France
Poster de conférence hal-02882424v1

Antiphase boundaries in InGaP/SiGe/Si : structural and optical properties

Lipin Chen , Oliver Skibitzki , Rozenn Piron , Julie Stervinou , Antoine Létoublon
European Materials Research Society - Spring Meeting 2018 (E-MRS 2018 Spring Meeting), Jun 2018, Strasbourg, France. 2018
Poster de conférence hal-01864388v1

Scanning tunneling microscopy investigation of GaP epitaxial growth on nominal and vicinal Si(001) substrates for optoelectronic applications

Simon Charbonnier , Ida Lucci , Subhashis Gangopadhyay , Yanping Wang , Tony Rohel
European Materials Research Society - Spring Meeting 2018 (E-MRS 2018 Spring Meeting), Jun 2018, Strasbourg, France. 2018
Poster de conférence hal-01866135v1

GaP/Si(001) polar-on-nonpolar epitaxial growth revisited by scanning tunneling microscopy

Simon Charbonnier , Ida Lucci , Subhashis Gangopadhyay , Yanping Wang , Tony Rohel
31è colloque Journées Surfaces et Interfaces (JSI 2017), Jan 2017, Rennes, France
Poster de conférence hal-01715988v1

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

Study of the 3D growth mode of III-V on Si by DFT

Ida Lucci , Simon Charbonnier , Yanping Wang , Tony Rohel , Rozenn Bernard
Réunion plénière du GDR Pulse (PULSE 2017), Oct 2017, Paris, France
Poster de conférence hal-01708149v1

Etude par microscopie à effet tunnel de la croissance épitaxiale de GaP sur substrats Si(001) nominaux et vicinaux pour l’optoélectronique

Simon Charbonnier , Ida Lucci , S. Gangopadhyay , Yanping Wang , Tony Rohel
Réunion plénière du GDR Pulse (PULSE 2016), Jul 2016, Marseille, France
Poster de conférence hal-01497147v1

Scanning tunneling microscopy investigation of GaP epitaxial growth on nominal and vicinal Si(001) substrates for optoelectronic applications

Simon Charbonnier , Ida Lucci , S. Gangopadhyay , Yanping Wang , Tony Rohel
European Materials Research Society - Spring Meeting 2016 (E-MRS 2016 Spring Meeting), May 2016, Lille, France
Poster de conférence hal-01497071v1

Relationship between antiphase domains, roughness and surface/interface energies during the epitaxial growth of GaP on Si

Ida Lucci , Simon Charbonnier , Yanping Wang , Mounib Bahri , Maxime Vallet
European Materials Research Society - Spring Meeting 2016 (E-MRS 2016 Spring Meeting), May 2016, Lille, France
Poster de conférence hal-01497064v1

Scanning tunneling microscopy investigation of GaP MBE growth on nominal and vicinal Si(001) substrates for optoelectronic applications

Simon Charbonnier , Ida Lucci , S. Gangopadhyay , Yanping Wang , Tony Rohel
19th International Conference on Molecular-Beam Epitaxy (IC-MBE 2016), Sep 2016, Montpellier, France
Poster de conférence hal-01496729v1

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