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Sylvain LE GALL

116
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Presentation

Dr. Sylvain Le Gall, Assciate Professor, Univ. **Paris-Sud** (Département de Physique, UFR Sciences) Laboratoire **GeePs** , (pôle PHEMADIC) 11 Rue Joliot Curie, 91190 Gif sur Yvette

Publications

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Metal-Assisted Chemical Etching for the Direct Synthesis of Bimetallic Cu-Pd Nanoparticles on Silicon

E. Torralba , Sylvain Le Gall , Harsh Chaliyawala , Éric Chopard , Zouhir Ait Rahhou
Applied Surface Science, 2024, 649, pp.159117. ⟨10.1016/j.apsusc.2023.159117⟩
Journal articles hal-04298547v1

Metal-Assisted Chemical Etching for the Direct Synthesis of Bimetallic Cu-Pd Nanoparticles on Silicon

E. Torralba , Sylvain Le Gall , Harsh Chaliyawala , Eric Chopard , Zouhir Ait Rahhou
Applied Surface Science, inPress, 649, pp.1591117
Journal articles hal-04472701v1
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Investigation of Plasma Deposited Boron Phosphide and Its Contact to Silicon

Alina Maksimova , Alexander Uvarov , Artem Baranov , Alexander Gudovskikh , Dmitri Kudryashov
ACS Applied Energy Materials, 2022, 5 (5), pp.5367-5373. ⟨10.1021/acsaem.1c02704⟩
Journal articles hal-03832802v1
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How to perform admittance spectroscopy and DLTS in multijunction solar cells

Cyril Léon , Sylvain Le Gall , Marie-Estelle Gueunier-Farret , Jean-Paul Kleider
Solar Energy Materials and Solar Cells, 2022, Solar Energy Materials & Solar Cells, 240, pp.111699. ⟨10.1016/j.solmat.2022.111699⟩
Journal articles hal-03608944v1
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Approaching Theoretical Band Gap of ZnSnN 2 Films via Bias Magnetron Cosputtering at Room Temperature

Agathe Virfeu , Fahad Alnjiman , Jaafar Ghanbaja , Alejandro Borroto , Christine Gendarme
ACS Applied Electronic Materials, 2021, 3 (9), pp.3855-3866. ⟨10.1021/acsaelm.1c00478⟩
Journal articles hal-03361326v1
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Custom plating of nanoscale semiconductor/catalyst junctions for photoelectrochemical water splitting

Kiseok Oh , Olivier de Sagazan , Cyril Léon , Sylvain Le Gall , Gabriel Loget
Nanoscale, 2021, 13 (3), pp.1997-2004. ⟨10.1039/D0NR08414J⟩
Journal articles hal-03100848v1
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Mesopore Formation and Silicon Surface Nanostructuration by Metal-Assisted Chemical Etching With Silver Nanoparticles

Elisa Pinna , Sylvain Le Gall , Encarnacion Torralba , Guido Mula , Christine Cachet-Vivier
Frontiers in Chemistry, 2020, 8 (2), pp.023105. ⟨10.3389/fchem.2020.00658⟩
Journal articles hal-02994693v1
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Defect properties of solar cells with layers of GaP based dilute nitrides grown by molecular beam epitaxy

Artem Baranov , Alexander Gudovskikh , Anton Yu. Egorov , Dmitry Kudryashov , Sylvain Le Gall
Journal of Applied Physics, 2020, 128 (2), pp.023105. ⟨10.1063/1.5134681⟩
Journal articles hal-02946530v1

Role of nanowire length on the performance of a self-driven NIR photodetector based on mono/bi-layer graphene (camphor)/Sinanowire Schottky junction

Harsh Chaliyawala , Neha Aggarwal , Zeel Purohit , Roma Patel , Govind Gupta
Nanotechnology, 2020, 31 (2020-05-29), pp.225208. ⟨10.1088/1361-6528/ab767f⟩
Journal articles hal-02515649v1
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Structural and functional properties of Zn(Ge,Sn)N2 thin films deposited by reactive sputtering

Nicole Beddelem , Stéphanie Bruyere , Franck Cleymand , Sebastien Diliberto , Christophe Longeaud
Thin Solid Films, 2020, 709, pp.138192. ⟨10.1016/j.tsf.2020.138192⟩
Journal articles hal-02883424v1
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Understanding and monitoring the capacitance‐voltage technique for the characterization of tandem solar cells

Cyril Léon , Sylvain Le Gall , Marie-Estelle Gueunier-Farret , Aurore Brézard-Oudot , Alexandre Jaffré
Progress in Photovoltaics, 2020, 28 (6), pp.601-608. ⟨10.1002/pip.3235⟩
Journal articles hal-02439912v1
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Electrical characterization of low temperature plasma epitaxial Si grown on highly doped Si substrates

Cyril Léon , Sylvain Le Gall , Marie-Estelle Gueunier-Farret , Jean-Paul Kleider , Pere Roca I Cabarrocas
EPJ Photovoltaics, 2020, EPJ Photovoltaics, 11, pp.4. ⟨10.1051/epjpv/2020002⟩
Journal articles hal-02472834v1
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3D Patterning of Si by Contact Etching With Nanoporous Metals

Stéphane Bastide , Encarnacion Torralba , Mathieu Halbwax , Sylvain Le Gall , Elias Mpogui
Frontiers in Chemistry, 2019, 7, pp.256. ⟨10.3389/fchem.2019.00256⟩
Journal articles hal-02409484v1
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Interface Properties of GaP/Si Heterojunction Fabricated by PE-ALD

Alexander S. Gudovskikh , Alexander Uvarov , Ivan A. Morozov , Artem Baranov , Dimitry Kudryashov
physica status solidi (a), 2019, 216 (10), pp.1800617. ⟨10.1002/pssa.201800617⟩
Journal articles hal-01943257v1
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Determination of Defect Densities in Thin (i) a‐Si:H Used as the Passivation Layer in a‐Si:H/c‐Si Heterojunction Solar Cells from Static Planar Conductance Measurements

Alexandra Levtchenko , Sylvain Le Gall , Rudolf Brüggemann , Jean-Paul Kleider
physica status solidi (RRL) - Rapid Research Letters, 2019, 13 (12), pp.1900411. ⟨10.1002/pssr.201900411⟩
Journal articles hal-02301811v1
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Local VOC Measurements by Kelvin Probe Force Microscopy Applied on P-I-N Radial Junction Si Nanowires

Clément Marchat , Letian Dai , José Alvarez , Sylvain Le Gall , Jean-Paul Kleider
Nanoscale Research Letters, 2019, 14, ⟨10.1186/s11671-019-3230-5⟩
Journal articles hal-03313561v1
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A low Schottky barrier height and transport mechanism in gold–graphene–silicon (001) heterojunctions

Courtin Jules , Sylvain Le Gall , Pascal Chrétien , Alain Moréac , Gabriel Delhaye
Nanoscale Advances, 2019, 1 (9), pp.3372-3378. ⟨10.1039/C9NA00393B⟩
Journal articles hal-02284803v1
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Magnetic Configurations and State Diagram of Nanoring Magnetic Tunnel Junctions

Houfang Liu , Hongxiang Wei , Xiufeng Han , Guoqiang Yu , Wenshan Zhan
Physical Review Applied, 2018, 10 (5), pp.054013. ⟨10.1103/PhysRevApplied.10.054013⟩
Journal articles hal-02388092v1
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Statistical study of domain-wall depinning induced by magnetic field and current in an epitaxial Co/Ni-based spin-valve wire

Sylvain Le Gall , F. Montaigne , Daniel Lacour , M. Hehn , Nicolas Vernier
Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2018, 98 (024401), ⟨10.1103/PhysRevB.98.024401⟩
Journal articles hal-01827871v1
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Optoelectrical modeling of solar cells based on c-Si/a-Si:H nanowire arrays: focus on the electrical transport in between the nanowires

Alexandra Levtchenko , Sylvain Le Gall , Raphaël Lachaume , Jérôme Michallon , Stéphane Collin
Nanotechnology, 2018, nanotechnology, 29 (25), pp.255401. ⟨10.1088/1361-6528/aab7e8⟩
Journal articles hal-01738024v1
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Defect properties of InGaAsN layers grown as sub-monolayer digital alloys by molecular beam epitaxy

Artem Baranov , Alexander Gudovskikh , Dmitry Kudryashov , Alexandra Lazarenko , Ivan Morozov
Journal of Applied Physics, 2018, SPECIAL TOPIC: DEFECTS IN SEMICONDUCTORS 123 (16), pp.161418 - 161418. ⟨10.1063/1.5011371⟩
Journal articles hal-01739252v1
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Si doped GaP layers grown on Si wafers by low temperature PE-ALD

A.S. Gudovskikh , A. Uvarov , A. Morozov , Artem Baranov , A. Kudryashov
Journal of Renewable and Sustainable Energy, 2018, 10 (021001), pp.021001. ⟨10.1063/1.5000256⟩
Journal articles hal-01738008v1
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Effect of spin transfer torque on domain wall motion regimes in [Co/Ni] superlattice wires

Sylvain Le Gall , Nicolas Vernier , Francois Montaigne , André Thiaville , Joao Sampaio
Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2017, Physical Review B, 95 (18), pp.184419. ⟨10.1103/PhysRevB.95.184419⟩
Journal articles hal-01525873v1
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Influence of PE-ALD of GaP on the Silicon Wafers Quality

Artem Baranov , Alexander S. Gudovskikh , Dmitriy A. Kudryashov , Ivan A. Morozov , Alexey M. Mozharov
physica status solidi (a), 2017, ⟨10.1002/pssa.201700685⟩
Journal articles hal-01629362v1
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3D patterning of silicon by contact etching with anodically biased nanoporous gold electrodes

Encarnación Torralba , Mathieu Halbwax , Taha El Assimi , Marin Fouchier , Vincent Magnin
Electrochemistry Communications, 2017, 76, pp.79-82. ⟨10.1016/j.elecom.2017.01.014⟩
Journal articles hal-01480682v1
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Coupling Optical and Electrical Modelling for the study of a-Si:H-based nanowire Array Solar Cells

Alexandra Levtchenko , Raphaël Lachaume , Jérôme Michallon , Stéphane Collin , J Alvarez
physica status solidi (c), 2017, E‐MRS 2017 Spring Meeting – Symposium E ; E‐MRS 2017 Spring Meeting – Symposium N, 14 (10), pp.1700181. ⟨10.1002/pssc.201700181⟩
Journal articles hal-01589258v1
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Tunable Surface Structuration of Silicon by Metal Assisted Chemical Etching with Pt Nanoparticles under Electrochemical Bias

Encarnacion Torralba-Penalver , Sylvain Le Gall , R. Lachaume , Vincent Magnin , Joseph Harari
ACS Applied Materials & Interfaces, 2016, ACS, Applied Materials & Interfaces, 8, pp.31375. ⟨10.1021/acsami.6b09036⟩
Journal articles hal-01392805v1
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Thermally activated domain wall motion in [Co/Ni](111) superlattices with perpendicular magnetic anisotropy

S. Le Gall , N. Vernier , F. Montaigne , M. Gottwald , D. Lacour
Applied Physics Letters, 2015, 106 (6), pp.062406. ⟨10.1063/1.4908177⟩
Journal articles hal-01246638v1
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Extraordinary Hall effect based magnetic logic applications

T. Liu , D. Lacour , F. Montaigne , S. Le Gall , M. Hehn
Applied Physics Letters, 2015, 106 (5), pp.052406. ⟨10.1063/1.4907615⟩
Journal articles hal-01246637v1
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Generation and manipulation of domain walls using a thermal gradient in a ferrimagnetic TbCo wire

R. Tolley , T. Liu , Y. Xu , S. Le Gall , M. Gottwald
Applied Physics Letters, 2015, 106 (24), pp.242403. ⟨10.1063/1.4922603⟩
Journal articles hal-01246640v1

Electrical control of interfacial trapping for magnetic tunnel transistor on silicon

Yuan Lu , Daniel Lacour , Gwladys Lengaigne , Sylvain Le Gall , Stéphane Suire
Applied Physics Letters, 2014, 104 (4), ⟨10.1063/1.4863689⟩
Journal articles hal-01282860v1

Interfacial trapping for hot electron injection in silicon

Yuan Lu , Daniel Lacour , G. Lengaigne , S. Le Gall , S. Suire
Applied Physics Letters, 2013, 103 (2), ⟨10.1063/1.4813015⟩
Journal articles hal-01276612v1
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State diagram of nanopillar spin valves with perpendicular magnetic anisotropy

Sylvain Le Gall , Julien Cucchiara , Matthias Gottwald , Christelle Berthelot , Charles-Henry Lambert
Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2012, 86, pp.014419. ⟨10.1103/PhysRevB.86.014419⟩
Journal articles hal-01579276v1
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Domain wall motion in nanopillar spin-valves with perpendicular anisotropy driven by spin-transfer torques

J. Cucchiara , Sylvain Le Gall , E. E. Fullerton , J.-V. Kim , D. Ravelosona
Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2012, Physical Review B, 86 (21), pp.214429. ⟨10.1103/PhysRevB.86.214429⟩
Journal articles hal-01579277v1
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Transport mechanisms in MgO/GaAs(001) delta-doped junctions

S. Le Gall , Bruno Lépine , Gabriel Delhaye , Guy Jézéquel , Pascal Turban
Applied Physics Letters, 2011, 98 (11), pp.112108. ⟨10.1063/1.3567948⟩
Journal articles hal-00732777v1
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Transverse-momentum selection rules for ballistic electrons at epitaxial metal/GaAs(001) interfaces

Sophie Guézo , Pascal Turban , Sergio Di Matteo , Philippe Schieffer , S. Le Gall
Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2010, 81, pp.085319. ⟨10.1103/PHYSREVB.81.085319⟩
Journal articles hal-00658304v1
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Transport property study of MgO-GaAs(001) contacts for spin injection devices

Jean-Christophe Le Breton , S. Le Gall , Guy Jézéquel , Bruno Lépine , Philippe Schieffer
Applied Physics Letters, 2007, 91 (17), pp.172112. ⟨10.1063/1.2802727⟩
Journal articles hal-00908143v1

Direct-synthesis of AgxCu100-x bimetallic nanoparticles on p-Si supports for the photoelectrochemical reduction of CO2

Harsh Chaliyawala , Stéphane Bastide , D. Muller-Bouvet , T. Bourouina , Frédéric Marty
Spring Meeting EMRS, Jun 2022, Warsaw, Poland
Conference papers hal-03841856v1

Nanoparticles on p-type Silicon as Catalysts for the Photoelectrochemical CO2 Conversion

E. Torralba , Harsh Chaliyawala , Labibe Soilihi , D. Muller-Bouvet , C. Cachet-Vivier
. 73 rd Annual Meeting of the International Society of Electrochemistry, Sep 2022, Online, France
Conference papers hal-03841979v1

Development and simulated environment testing of β-(Al)Ga2O3-based photodetectors for space-based observation of the Herzberg continuum

Xavier Arrateig , David Rogers , Pierre Maso , Faustine Bouyssou , Imène Sidi Boumeddine
Sensors, Systems, and Next-Generation Satellites XXV. Proceedings SPIE 11858, Sep 2021, Online, Spain. pp.1185813, ⟨10.1117/12.2603565⟩
Conference papers hal-03414495v1

Investigation of defects in structures based on BP/Si heterojunction

Alina Maksimova , Artem Baranov , A.V. Uvarov , D.A. Kudryashov , A.S. Gudovskikh
E-MRS Spring Meeting 2021, May 2021, Strasbourg, France
Conference papers hal-03289000v1

Defect densities analysis in thin (i) a-Si:H passivation layer inserted in a-Si:H/c-Si heterojunction solar cells using coplanar conductance measurements : a temperature dependence study

Sylvain Le Gall , Alexandra Levtchenko , Rudolf Brüggemann , Jean-Paul Kleider
37th European Photovoltaic Solar Energy Conference and Exhibition (EU PVSEC 2020), Sep 2020, Lisbon, Portugal
Conference papers hal-02946579v1

Silicon Band Engineering with 2D materials

Courtin Jules , Sylvain Le Gall , Pascal Chrétien , Gabriel Delhaye , Pascal Turban
8th NIMS-UR1-CNRS-SG Workshop, Nov 2019, Tsukuba, Japan
Conference papers hal-02384509v1

Tuning the Schottky barrier height at metal/solid 2D/Si heterostructure

Courtin Jules , Sylvain Le Gall , Pascal Chrétien , Gabriel Delhaye , Pascal Turban
Nanotech Paris, Jun 2019, Issy-les-Moulineaux, France
Conference papers hal-02287702v1

Electrical characterization of low temperature plasma epitaxial Si grown on highly doped Si substrates

Cyril Léon , Sylvain Le Gall , Marie-Estelle Gueunier-Farret , Jean-Paul Kleider , Pere Roca I Cabarrocas Roca I Cabarrocas
28th International Conference on Amorphous and nanocrystalline Semiconductors (ICANS 28), Aug 2019, Palaiseau, France
Conference papers hal-02344032v1
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Capacitance-Voltage Characterization Technique Adapted to Tandem Solar Cell

Cyril Léon , Sylvain Le Gall , Marie-Estelle Gueunier-Farret , Aurore Brézard-Oudot , Alexandre Jaffré
36th European Photovoltaic Solar Energy Conference and Exhibition, WIP, Sep 2019, Marseille, France. pp.638, ⟨10.4229/EUPVSEC20192019-3CO.8.3⟩
Conference papers hal-02343918v1

Defects in the passivating buffer (i) a-Si:H layer of a-Si:H/c-Si heterojunction solar cells

Sylvain Le Gall , Alexandra Levtchenko , Rudolf Brüggemann , Jean-Paul Kleider
JNPV 2019, Dec 2019, Dourdan, France
Conference papers hal-02344064v1

Determination of Effective Defects States by Varying the Thickness of Passivating (i)a-Si:H Layer in a-Si :H/c-Si Heterojunction Solar Cell Using Coplanar Conductance

Alexandra Levtchenko , Sylvain Le Gall , Rudolf Brüggemann , Marie-Estelle Gueunier-Farret , Jean-Paul Kleider
28th International Conference on Amorphous and nanocrystalline Semiconductors (ICANS 28), Aug 2019, Palaiseau, France
Conference papers hal-02344024v1

3D patterning of Si by contact etchning: contribution of the band bending modeling

Sylvain Le Gall , Raphaël Lachaume , Encarnacion Torralba , Christine Cachet-Vivier , Stéphane Bastide
Semi-Conducteurs et Oxydes Poreux, 5ème journée (SCOPE 2019), Jun 2019, Thiais, France
Conference papers hal-02418947v1

Recent progress on the amorphous silicon/crystalline silicon interface

Jean-Paul Kleider , J Alvarez , Rudolf Brüggemann , Tristan Carrere , Marie-Estelle Gueunier-Farret
20th ISCMP School and Conference, Sep 2018, Varna, Bulgaria
Conference papers hal-01943423v1

3D patterning of silicon with nanoporous gold

Encarnacion Torralba-Penalver , Mathieu Halbwax , Elias Mpogui , Vincent Magnin , Joseph Harari
Porous Semiconductors - Science and Technology Conference, Mar 2018, La Grande Motte, France
Conference papers hal-02404199v1

Local open-circuit voltage characterization of thin-film radial junction PIN solar cells by Kelvin Probe Force Microscopy

Clément Marchat , Letian Dai , Soumyadeep Misra , Alexandre Jaffré , J Alvarez
MRS Spring Meeting 2018, Apr 2018, Phoenix, United States
Conference papers hal-01801350v1

Interface properties of GaP/Si heterojunction fabricated by PE-ALD

Alexander S. Gudovskikh , A.V. Uvarov , I.A. Morozov , Artem Baranov , D. A. Kudryashov
EMRS Spring Meeting 2018, Jun 2018, Strasbourg, France
Conference papers hal-01801489v1

Modulated photocurrent and photoluminescence for the characterization of silicon heterojunctions: experiments and simulation

Alexandra Levtchenko , Rudolf Brüggemann , Hrachya Kyureghian , Alexandre Jaffré , Aurore Brézard-Oudot
EMRS Spring Meeting 2018, Jun 2018, Strasbourg, France
Conference papers hal-01801362v1

Application de la technique de caractérisation Capacité-Tension à l’étude des cellules tandem

Cyril Léon , Aurore Brézard-Oudot , Sylvain Le Gall , Marie-Estelle Gueunier-Farret , Christophe Longeaud
Journées Nationales du PhotoVoltaïque (JNPV) 2018, Dec 2018, Dourdan, France
Conference papers hal-01943020v1

Zn(Sn,Ge)N2 : a new double nitride tunable semiconductor family for LED and solar devices

Nicole Beddelem , Nathaniel Feldberg , Sylvain Le Gall , Yann Battie , Névine Rochat
Journées Nationales du PhotoVoltaïque (JNPV 2018), Fédération de recherche du PhotoVoltaïque (FedPV), Dec 2018, Dourdan, France
Conference papers hal-01943053v1

Si doped n-type GaP layers grown on Si wafers by low-temperature PE-ALD

A.S. Gudovskikh , A.V. Uvarov , I.A. Morozov , Artem Baranov , D. A. Kudryashov
Photovoltaic Technical Conference, PVTC 2017, May 2017, Marseille, France
Conference papers hal-01632928v1

Gravure par contact du silicium à l’aide d’électrodes en or nanoporeux

Encarnacion Torralba-Penalver , Mathieu Halbwax , E. Mpogui , Taha El Assimi , Joseph Harari
Semiconduteur et oxyde poreux (SCOPE 2017), Jun 2017, Lille, France
Conference papers hal-01580526v1

Characterization of GaP/Si heterojunctions by space charge capacitance measurements

Artem I. Baranov , Alexander S. Gudovskikh , I.A. Morozov , A. Mozharov , Ekaterina V. Nikitina
E-MRS 2017 Spring Meeting, May 2017, Strasbourg, France
Conference papers hal-01632942v1
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Capacitance characterization of GaP/n-Si structures grown by PE-ALD

Artem Baranov , Alexander S. Gudovskikh , Arouna Darga , Sylvain Le Gall , Jean-Paul Kleider
4th International School and Conference on Optoelectronics, Photonics, Engineering and Nanostructures (Saint-Petersburg OPEN 2017), Apr 2017, Saint-Petersbourg, France. pp.052027, ⟨10.1088/1742-6596/917/5/052027⟩
Conference papers hal-01653684v1

Low temperature plasma enhanced atomic layer deposition of GaP films on Si substrates

Alexander S. Gudovskikh , D. A. Kudryashov , I.A. Morozov , Artem Baranov , A.V. Uvarov
ICANS27, The 27th International Conference on Amorphous and Nanocrystalline Semiconductors, Aug 2017, Seoul, South Korea
Conference papers hal-01632966v1

Microstructuration of Silicon Surfaces Using Nanoporous Gold Electrodes

E Torralba , Mathieu Halbwax , T El Assimi , V. Magnin , Joseph Harari
21st Topical Meeting of the International Society of Electrochemistry, ISE, Apr 2017, Szeged, Hungary. pp.31375 - 31375
Conference papers hal-01537684v1

Prospective analysis of optoelectronic properties of ZnSnN2 for future tandem solar cells

Thibaut Perin , Nathaniel Feldberg , Nicole Fèvre , Geoffroy Kremer , Sylvain Le Gall
7e Journées Nationales du Photovoltaïque 2017, Fédération de recherche du Photovoltaïque, Dec 2017, Dourdan, France
Conference papers hal-01633190v1

Influence of electrical transport properties on performance of Si nanowire array solar cells assessed by optoelectrical modeling

Alexandra Levtchenko , Raphaël Lachaume , Jérôme Michallon , Stéphane Collin , J Alvarez
E-MRS 2017 Spring Meeting, May 2017, Strasbourg, France
Conference papers hal-01632933v1
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Advances in silicon surface texturization by metal assisted chemical etching for photovoltaic applications

Sylvain Le Gall , Raphaël Lachaume , Encarnacion Torralba , Mathieu Halbwax , Vincent Magnin
2017 IEEE 44th Photovoltaic Specialists Conference (PVSC), IEEE, Jun 2017, Washington, United States. ⟨10.1109/pvsc.2017.8366525⟩
Conference papers hal-01579151v1

Tunable Nanostructuration of Si by MACE with Pt nanoparticles under an applied external bias

Stéphane Bastide , Encarnacion Torralba-Penalver , Christine Cachet-Vivier , Sylvain Le Gall , Raphaël Lachaume
10th Conference of Porous Semiconductor Science and Technology (PSST) , Mar 2016, Tarragone, Spain
Conference papers hal-01579288v1

Controlled elaboration of high aspect ratio cone-shape pore arrays in silicon by metal assisted chemical etching

Encarnacion Torralba-Penalver , Sylvain Le Gall , Christine Cachet-Vivier , Raphaël Lachaume , Mathieu Halbwax
11th INTERNATIONAL CONFERENCE ON SURFACE COATINGS AND NANOSTRUTURED MATERIALS (NANOSMAT), Sep 2016, Aveiro, Portugal
Conference papers hal-01579534v1

Controlled elaboration of high aspect ratio cone-shape pore arrays in silicon by metal assisted chemical etching

Stéphane Bastide , Encarnacion Torralba-Penalver , Christine Cachet-Vivier , Sylvain Le Gall , Raphaël Lachaume
E-MRS fall meeting 2016, Materials Research Society, Sep 2016, Varsovie, Poland
Conference papers hal-01579541v1

Thermally activated domain wall motion in [Co/Ni](111) superlattices with perpendicular magnetic anisotropy

Sylvain Le Gall , Thomas Hauet , Nicolas Vernier , Michel Hehn , Daniel Lacour
INTERMAG 2015, May 2015, Beijing, China. pp.14419 - 57002, ⟨10.1109/INTMAG.2015.7156512⟩
Conference papers hal-01260458v1

Simulation électrique et optique de nanofils de Silicium en géométrie radiale pour des applications photovoltaïques

Alexandra Levtchenko , Raphaël Lachaume , Jean-Paul Kleider , José Alvarez , Sana Laribi
Journées Nationales du Photovoltaïque 2015 (JNPV 2015), Dec 2015, Dourdan, France
Conference papers hal-01238536v1

Spin transfer torque on domain wall state in nanopillar magnetic tunnel junction with perpendicular magnetic anisotropy

Sylvain Le Gall , Michel Hehn , Jonathan. Z Sun , S. Petit-Watelot , Y. Henry
International French-US Workshop: "Toward low power spintronic devices", Jul 2013, San Diego, CA, United States
Conference papers hal-01579286v1

Etude de l'effet de transfert de Spin dans des jonctions tunnel magnétiques en géométrie nanoring

Sylvain Le Gall , H. F Liu , Michel Hehn , Daniel Lacour , Yuan Lu
Colloque Louis Néel, 15th, Mar 2013, Tours, France
Conference papers hal-01579283v1

BEEM as a local probe of electronic properties at buried interfaces: band structure effects in the epitaxial Au(110)/GaAs(001) Schottky contact

Sophie Guézo , Pascal Turban , Sergio Di Matteo , Philippe Schieffer , S. Le Gall
13th ICFSI, 2011, Prague, Czech Republic
Conference papers hal-00703661v1

Etude des états de défauts à l'interface MgO/GaAs(001)

S. Le Gall , Jean-Christophe Le Breton , Guy Jézéquel , Bruno Lépine , Philippe Schieffer
24èmes Journées Surfaces et Interfaces, 2010, Nantes, France
Conference papers hal-00919270v1

Preliminary study of the growth of MgO on Si(001) by x-ray photoelectron spectroscopy

T. Jaouen , Gabriel Delhaye , Bruno Lépine , S. Le Gall , Philippe Schieffer
International Workshop and Winter School: Photoemission, 2010, Dijon, France
Conference papers hal-00919190v1

Transverse-momentum selection rules for ballistic electrons at epitaxial metal/GaAs(001) interfaces

Sophie Guézo , Pascal Turban , Sergio Di Matteo , Philippe Schieffer , S. Le Gall
24èmes Journées Surfaces et Interfaces, 2010, Nantes, France
Conference papers hal-00919213v1

Study of MgO/GaAs(001) contacts for spin injection/detection in n-type unipolar devices

Sylvain Le Gall , Jean-Christophe Le Breton , Guy Jézéquel , Bruno Lépine , Philippe Schieffer
Materials Research Society (MRS) Spring Meeting, Materials Research Society, Apr 2009, San Fransisco, France
Conference papers hal-01579282v1

Local electronic properties of MgO tunnel barrier studied by Ballistic Electron Emission Microscopy (BEEM)

Sophie Guézo , Pascal Turban , Claude Lallaizon , S. Le Gall , Jean-Christophe Le Breton
European Conference On Surface Science, 2008, Liverpool, United Kingdom
Conference papers hal-00717479v1

Microscopie à émission d'électrons balistiques (BEEM) : Etude des propriétés électroniques locales de barrières tunnel de MgO

Sophie Guézo , Pascal Turban , Claude Lallaizon , S. Le Gall , Jean-Christophe Le Breton
12eme Colloque Louis Néel, 2008, La Grande Motte, France
Conference papers hal-00733372v1

Microscopie à émission d'électrons balistiques (BEEM) : Imagerie et Spectroscopie d'interfaces avec une résolution nanométrique

Sophie Guézo , Pascal Turban , Claude Lallaizon , Jean-Christophe Le Breton , S. Le Gall
2èmes Journées Nanosciences de Bretagne, 2008, Nantes, France
Conference papers hal-00733367v1

The modulated photoluminescence technique versus temperature: opportunities for better determination of trap parameters

Hiba Haddara , Baptiste Bérenguier , Sylvain Le Gall , Jean-Paul Kleider , Jean-François Guillemoles
Journées Nationales du Photovoltaïque (JNPV) 2023, Dec 2023, Dourdan, France
Conference poster hal-04296803v1

Etude de la dépendance avec la température de la conductance planaire d'hétérojonctions a-Si:H/c-Si : comparaison entre mesures expérimentales, calcul analytique 1D et modélisation numérique 2D

Sylvain Le Gall , Alexandra Levtchenko , Jean-Paul Kleider
Journées Nationales du Photovoltaïque (JNPV) 2022, Nov 2022, Dourdan, France
Conference poster hal-03878603v1

The modulated photoluminescence technique as a support to improve the quality of solar cell absorbers

Baptiste Bérenguier , Sylvain Le Gall , Christophe Longeaud , Jackson Lontchi , Amelle Rebai
Journées Nationales du Photovoltaïque (JNPV) 2022, Nov 2022, Dourdan, France
Conference poster hal-03878608v1
Image document

Admittance Spectroscopy and Deep-Level Transient Spectroscopy in Multijunction: a Tutorial to Characterize the Entire Cell

Cyril Léon , Sylvain Le Gall , Marie-Estelle Gueunier-Farret , Jean-Paul Kleider
Tandem PV Workshop 2022, May 2022, Freiburg-en-Brisgau, Germany.
Conference poster hal-03878578v1

New results on Three terminal Perovskite/Silicon Tandem solar Cells optimization: Selective Band Offset Barrier Design for better integration

Koffi Ahanogbe , J.P. Connolly , M.E. Gueunier-Farret , Sylvain Le Gall , Solenn Berson
Journées Nationales du Photovoltaïque - JNPV 2020, Jan 2021, Dourdan, France
Conference poster hal-03288843v1

Etude des propriétés électriques de l'hétérointerface de cellules solaires à hétérojonction a-Si:H/c-Si, d'épaisseur de couche tampon (i) a-Si :H différentes, par des mesures de conductance planaire combinées à la modélisation électrique

Sylvain Le Gall , Alexandra Levtchenko , Rudolf Brüggemann , Jean-Paul Kleider
Journées Nationales du Photovoltaïque - JNPV 2020, Jan 2021, Dourdan, France
Conference poster hal-03289621v1

Application de la technique de DLTS aux cellules multijonctions

Cyril Léon , Sylvain Le Gall , Marie-Estelle Gueunier-Farret , Aurore Brézard-Oudot , Alexandre Jaffré
Journées Nationales du Photovoltaïque - JNPV 2020, Jan 2021, Dourdan, France
Conference poster hal-03289623v1

Récentes études d'optimisation de cellules solaires tandem à trois terminaux à base de pérovskite

Koffi Ahanogbe , James P Connolly , Sylvain Le Gall , Marie-Estelle Gueunier-Farret , Solenn Berson
Journées Nationales de PhotoVoltaîque 2020, Jan 2021, En visio, France
Conference poster hal-03262583v1

Application de la spectroscopie d’admittance aux cellules multi-jonctions

Cyril Léon , Sylvain Le Gall , Marie-Estelle Gueunier-Farret , Aurore Brézard-Oudot , Alexandre Jaffré
Les Houches School of Physics 2020 - Physics of Solar Cells: from basic principles to advanced characterization, Mar 2020, Les houches, France.
Conference poster hal-04530887v1

Optimisation de cellules solaires tandem à trois terminaux à base de pérovskites

Koffi Ahanogbe , J.P. Connolly , Cyril Léon , Sylvain Le Gall , Marie-Estelle Gueunier-Farret
JNPV 2019, Dec 2019, Dourdan, France
Conference poster hal-02344117v1

Interface Design for Three Terminal Selective Band Offset Tandems

J.P. Connolly , Zakaria Djebbour , Jean-Paul Kleider , Cyril Léon , Sylvain Le Gall
28th International Conference on Amorphous and nanocrystalline Semiconductors (ICANS 28), Aug 2019, Palaiseau, France
Conference poster hal-02344012v1

Evaluation of the optoelectronic properties of ZnSnN2 thin films under different growth conditions and doping implantation of As and P at different concentrations

Leonardo Kopprio , Sylvain Le Gall , Christophe Longeaud , Ngoc Kim Thanh Bui , Boubakeur Ayachi
JNPV 2019, Dec 2019, Dourdan, France
Conference poster hal-02419004v1

Application de la spectroscopie d'admittance aux cellules multi-jonctions

Cyril Léon , Sylvain Le Gall , Marie-Estelle Gueunier-Farret , Aurore Brézard-Oudot , Alexandre Jaffré
JNPV 2019, Dec 2019, Dourdan, France
Conference poster hal-02344069v1

Caractérisation du potentiel de circuit-ouvert d’une cellule solaire Si à jonction radiale PIN en couche mince par la technique de Kelvin Probe Force Microscopy

Clément Marchat , Letian Dai , Soumyadeep Misra , Alexandre Jaffré , J Alvarez
Journées Nationales du PhotoVoltaïque, JNPV 2018, Dec 2018, Dourdan, France
Conference poster hal-01943488v1

Preuve de concept de texturisation de surface de Silicium par MACE pour des applications photovoltaïques

Sylvain Le Gall , Raphaël Lachaume , Encarnacion Torralba-Penalver , Mathieu Halbwax , Vincent Magnin
Journées Nationales du Photovoltaique 2018, Dec 2018, Dourdan, France
Conference poster hal-01961816v1

Etude des propriétés de photoconductivité de couches minces de ZnSnN2 par implantation de dopants et selon différentes conditions de croissance

Sylvain Le Gall , Boubakeur Ayachi , Nicole Beddelem , Ngoc Kim Thanh Bui , Christophe Longeaud
Journées Nationales du PhotoVoltaique 2018, Dec 2018, Dourdan, France
Conference poster hal-01943086v1

Couplage des modélisations électriques/optiques pour l'étude de cellules à base de nanofils a-Si:H

Alexandra Levtchenko , Raphaël Lachaume , Jérôme Michallon , Stéphane Collin , J Alvarez
Journées Nationales du Photovoltaïque 2017, Dec 2017, Dourdan, France
Conference poster hal-01633176v1

Application of the cryogenic etching for mold fabrication in Si substrates

Dmitri Yarekha , Mathieu Halbwax , N. Belouchrani , Vincent Magnin , Joseph Harari
Journée Nationales sur les Technologies Emergentes en micronanofabrication (JNTE 2017), Nov 2017, Orléan, France. 2017
Conference poster hal-01647675v1

Application de la technique de photocourant modulé (MPC) aux cellules à hétérojonctions c-Si / a-Si:H

Alexandra Levtchenko , Raphaël Lachaume , Rudolf Brüggemann , Hrachya Kyureghian , Alexandre Jaffré
Journées Nationales du Photovoltaïque 2017, Dec 2017, Dourdan, France
Conference poster hal-01633186v1

TANGUI: un outil de modélisation pour les cellules tandems

Cyril Léon , Raphaël Lachaume , Marie-Estelle Gueunier-Farret , Sylvain Le Gall
Journées Nationales du Photovoltaïque, Dec 2017, Dourdan, France. 2017
Conference poster hal-01637646v1

Optimizing tin dioxide nanoparticles distribution for silicon nanowires growth

Letian Dai , Mutaz Al-Ghzaiwat , Wanghua Chen , Martin Foldyna , Isabelle Maurin
Nanowire week, May 2017, Lund, Sweden
Conference poster hal-01632957v1

Etude des propriétés photoélectriques de couches de GaP deposées à basse température par des mesures de conductivité et de photocourant modulé

Alexandra Levtchenko , Aurore Brézard-Oudot , Alexandre Jaffré , J Alvarez , Artem Baranov
Journées Nationales du Photovoltaïque (JNPV 2016), Nov 2016, Dourdan, France
Conference poster hal-01475039v1

Tandem radial-junction silicon nanowire solar cells fabricated by PECVD

Letian Dai , Martin Foldyna , Mutaz Al-Ghzaiwat , Wanghua Chen , Isabelle Maurin
Journées Nationales du Photovoltaïque (JNPV), Nov 2016, Dourdan, France. , 2016
Conference poster hal-01424667v1

Modélisation 2D de la courbure de bandes de l'interface Pt-Si-Electrolyte, vers une meilleure compréhension des mécanismes de gravure chimique

Sylvain Le Gall , Raphaël Lachaume , Encarnacion Torralba-Penalver , Mathieu Halbwax , Vincent Magnin
Journées Nationales du Photovoltaïque (JNPV), Nov 2016, Dourdan, France. , 2016
Conference poster hal-01424650v1

Effect of spin transfer torque on domain wall motion regimes in [Co/Ni] superlattice wires

Sylvain Le Gall , Nicolas Vernier , François Montaigne , André Thiaville , Dafiné Ravelosona
17ème Colloque Louis Néel, Mar 2016, Saint-Dié-des-Vosges, France
Conference poster hal-01579635v1

Structuration de surface de Silicium par gravure chimique assistée par des métaux nobles pour la texturisation de cellules solaires : Simulation de la modulation de la courbure de bande à l’interface Metal/Electrolyte/Silicium

Sylvain Le Gall , R. Lachaume , Mathieu Halbwax , Christine Cachet-Vivier , Vincent Magnin
Journée Nationale du Photovoltaique, Dec 2015, Dourdan, France
Conference poster hal-01246642v1

Field and current-induced domain wall motion on epitaxial Co/Ni superlattice : Arrhenius-type activated regime and stochastic H-driven or J-driven

Sylvain Le Gall , Thomas Hauet , N. Vernier , F. Montaigne , M. Gottwald
XVIe Colloque Louis Néel, Sep 2014, Autrans, France
Conference poster hal-01103996v1

Domain wall motion induced by spin transfer torque in MBE-grown Co/Ni based multilayer

Sylvain Le Gall , Thomas Hauet , F. Montaigne , M. Gottwald , D. Lacour
IEEE International Magnetics Conference, INTERMAG Europe 2014, May 2014, Dresden, Germany
Conference poster hal-01103988v1

Domain wall ,stabilization on magnetic tunnel junction with perpendicular magnetic anisotropy

Sylvain Le Gall , M. Lavanant , M. Hehn , S. Petit-Watelot , J.Z. Sun
International Workshop on Nanomaterials - MSnows 2014, Sep 2014, Nancy, France
Conference poster hal-01103972v1

Etude du dépiégeage de paroi sous courant dans des pistes micrométriques de super-réseau et spin-valves Co/Ni épitaxiés à aimantation perpendiculaire

Sylvain Le Gall , Matthias Gottwald , Thomas Hauet , François Montaigne , Daniel Lacour
15ème Colloque Louis Néel, Sep 2013, Tours, France
Conference poster hal-01579613v1

Statistical study of DW depinning induced by current on epitaxial Co-Ni wires, single layer vs spin valves

Sylvain Le Gall , François Montaigne , Thomas Hauet , Matthias Gottwald , Daniel Lacour
International French-US Workshop, toward low power spintronic devices, Jul 2013, San Diego, United States
Conference poster hal-01579616v1

Study of [Co/Ni](111) superlattice-based structures for spintronics applications

Matthias Gottwald , Sylvain Le Gall , Thomas Hauet , François Montaigne , Stéphane Mangin
Magnetic Single Nano-Object Workshop & School 2012 (MSNOW), Feb 2012, Les Houches, France
Conference poster hal-01579600v1

Etude des propriétés de transport de structures MgO/GaAs delta dopées dédiées à l’électronique de spin

Sylvain Le Gall , Bruno Lépine , Gabriel Delhaye , Guy Jézéquel , Pascal Turban
14eme Colloque Louis Néel, Sep 2011, Brest, France
Conference poster hal-01579593v1

Influence of the MgO growth conditions on the electronic band structure of the Au/MgO/GaAs(001) heterostructure

Jean-Christophe Le Breton , Sylvain Le Gall , Guy Jézéquel , Bruno Lépine , Philippe Schieffer
E-MRS 2009, Jun 2009, Strasbourg, France
Conference poster hal-01579591v1

Transport properties study of MgO/GaAs(001) contacts for spin injection in unipolar devices

Sylvain Le Gall , Jean-Christophe Le Breton , Guy Jézéquel , Bruno Lépine , Philippe Schieffer
14th International Conference on Solid Films and Surfaces (ICSFS) , Jun 2008, Dublin, Ireland
Conference poster hal-01579548v1

Etude des propriétés de transport du contact MgO/GaAs pour l’injection de spin

Sylvain Le Gall , Jean-Christophe Le Breton , Guy Jézéquel , Bruno Lépine , Philippe Schieffer
2ème Journée Nanosciences de Bretagne, Jun 2008, Nantes, France
Conference poster hal-01579546v1