Alexandre Merlen

Alexandre Merlen Maître de Conférences (HDR) Laboratoire MAPIEM Université de Toulon
59
Documents
Affiliation actuelle
  • Laboratoire Matériaux Polymères Interfaces Environnement Marin - EA 4323 (MAPIEM)

Présentation

1998-2000: Magistère de Physique à l'Ecole Normale Supérieure de Lyon 2001: Agrégation de Physique 2002: DEA Matière Condensée Surface et Interfaces à l’Université de Lyon 1 2003-2005: Thèse "Nanotubes de carbone dans des conditions extrêmes de température et de pression" Université Lyon 1 2005: Agrégé Préparateur au Laboratoire de Physique de l'Ecole Normale Supérieure de Lyon 2006-.....: Maître de conférences à l'Université de Toulon 2014: Habilitation à diriger des recherches 2022-....: Directeur adjoint de la faculté des sciences et techniques


Compétences

Spectroscopie Raman Physique des matériaux nanomatériaux

Publications

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Publications

Laser induced oxidation Raman spectroscopy as an analysis tool for iridium-based oxygen evolution catalysts

Sebastian Speer , Sven Jovanovic , Alexandre Merlen , Francesco Bartoli , Kiran Kiran et al.
Physical Chemistry Chemical Physics, 2025, 27 (5), pp.2570-2577. ⟨10.1039/D4CP03592E⟩
Article dans une revue hal-05001213 v1

Direct Observation of Carbonate Chemisorption on Barium Titanate Surfaces by Tip‐Enhanced Raman Spectroscopy

Mohammad Bakhtbidar , Ifeanyichukwu Amaechi , Andreas Dörfler , Alexandre Merlen , Andreas Ruediger
Advanced Materials Interfaces, 2024, 11 (15), ⟨10.1002/admi.202300993⟩
Article dans une revue hal-05001229 v1
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Raman spectroscopic detection of vacancies in LaFeO 3

Paul Eyméoud , Christian Turquat , Cédric Pardanaud , Christine Leroux , Alexandre Merlen
Materials Letters, 2023, 330, pp.133296. ⟨10.1016/j.matlet.2022.133296⟩
Article dans une revue hal-04534658 v1
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LaFeO3 thin films on Yttria Stabilized Zirconia flexible substrate

M. Jędrusik , Ch. Turquat , P. Eyméoud , A. Merlen , Madjid Arab et al.
Thin Solid Films, 2023, 780, pp.139951. ⟨10.1016/j.tsf.2023.139951⟩
Article dans une revue hal-04290861 v1
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Wrinkling and crumpling in twisted few and multilayer CVD graphene: High density of edge modes influencing Raman spectra

D. Nikolaievskyi , M. Torregrosa , Alexandre Merlen , Sylvain Clair , Olivier Chuzel et al.
Carbon, 2023, 203, pp.650-660. ⟨10.1016/j.carbon.2022.12.010⟩
Article dans une revue hal-03887634 v1
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Raman spectroscopy investigation of magnesium oxide nanoparticles

Maria Dekermenjian , Andreas Peter Ruediger , Alexandre Merlen
RSC Advances, 2023, 13 (38), pp.26683-26689. ⟨10.1039/D3RA04492K⟩
Article dans une revue hal-04649394 v1
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Toward surface-enhanced Raman scattering using electroless substrate for trace arsenic detection and speciation

Marie Adier , Anne-Marie Jurdyc , Charlotte Hurel , François Goutaland , Jean-Yves Michalon et al.
Journal of Applied Physics, 2023, 133 (7), pp.073103. ⟨10.1063/5.0126372⟩
Article dans une revue hal-04008614 v1
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Raman spectra and DFT calculations of thiophenol molecules adsorbed on a gold surface

A. Merlen , Dorothée Berthomieu , Mathieu E Edely , Michel Rérat
Physical Chemistry Chemical Physics, 2022, 24 (48), pp.29505-29511. ⟨10.1039/D2CP04157J⟩
Article dans une revue hal-03879703 v1
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The effect of cobalt on morphology, structure, and ORR activity of electrospun carbon fibre mats in aqueous alkaline environments

Markus Gehring , Tobias Kutsch , Osmane Camara , Alexandre Merlen , Hermann Tempel et al.
Beilstein Journal of Nanotechnology, 2021, 12, pp.1173-1186. ⟨10.3762/bjnano.12.87⟩
Article dans une revue hal-04649478 v1
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Topography-induced variations of localized surface plasmon resonance in tip-enhanced Raman configuration

Azza Hadj Youssef , Jiawei Zhang , Andreas Dörfler , Gitanjali Kolhatkar , Alexandre Merlen et al.
Optics Express, 2020, 28 (9), pp.14161. ⟨10.1364/OE.389565⟩
Article dans une revue hal-02934942 v1
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Spectral fluctuation in SERS spectra of benzodiazepin molecules: The case of oxazepam

Alexandre Merlen , Cédric Pardanaud , Katharina Gratzer , Stéphane Coussan , Denis Machon et al.
Journal of Raman Spectroscopy, 2020, 51 (11), pp.2192-2198. ⟨10.1002/jrs.5972⟩
Article dans une revue hal-02928096 v1
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Post-mortem analysis of tungsten plasma facing components in tokamaks: Raman microscopy measurements on compact, porous oxide and nitride films and nanoparticles

Cédric Pardanaud , David Dellasega , Matteo Passoni , Céline Martin , Pascale Roubin et al.
Nuclear Fusion, 2020, ⟨10.1088/1741-4326/ab9347⟩
Article dans une revue hal-02611611 v1

Sample induced intensity variations of localized surface plasmon resonance in tip-enhanced Raman spectroscopy

Jiawei Zhang , Azza Hadj Youssef , Andreas Dörfler , Gitanjali Kolhatkar , Alexandre Merlen et al.
Optics Express, 2020, 28 (18), pp.25998. ⟨10.1364/OE.403345⟩
Article dans une revue hal-03118396 v1
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Carbonisation temperature dependence of electrochemical activity of nitrogen-doped carbon fibres from electrospinning as air-cathodes for aqueous-alkaline metal–air batteries

Markus Gehring , Hermann Tempel , Alexandre Merlen , Roland Schierholz , Rüdiger-A. Eichel et al.
RSC Advances, 2019, 9 (47), pp.27231-27241. ⟨10.1039/c9ra03805a⟩
Article dans une revue hal-02314100 v1

Second Harmonic Generation Investigation of Symmetry Breaking and Flexoelectricity Induced by Nanoindentations in SrTiO 3

Gitanjali Kolhatkar , Mischa Nicklaus , Azza Hadj Youssef , Cristian Cojocaru , Maxime Rivard et al.
Advanced Functional Materials, 2019, pp.1901266. ⟨10.1002/adfm.201901266⟩
Article dans une revue hal-02266179 v1
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Forming Weakly Interacting Multilayers of Graphene Using Atomic Force Microscope Tip Scanning and Evidence of Competition between Inner and Outer Raman Scattering Processes Piloted by Structural Defects

C. Pardanaud , A. Merlen , K. Gratzer , Olivier Chuzel , D. Nikolaievskyi et al.
Journal of Physical Chemistry Letters, 2019, 10 (13), pp.3571-3579. ⟨10.1021/acs.jpclett.9b00564⟩
Article dans une revue hal-02385952 v1
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Optical near-field mapping of plasmonic nanostructures prepared by nanosphere lithography

Gitanjali Kolhatkar , Alexandre Merlen , Jiawei Zhang , Chahinez Dab , Gregory Wallace et al.
Beilstein Journal of Nanotechnology, 2018, 9, pp.1536 - 1543. ⟨10.3762/bjnano.9.144⟩
Article dans une revue hal-01862842 v1

Impact of negative oxygen ions on the deposition processes of RF-magnetron sputtered SrTiO 3 thin films

A. Hadj Youssef , F. Ambriz Vargas , I. Amaechi , A. Sarkissian , A. Merlen et al.
Thin Solid Films, 2018, 661, pp.23 - 31. ⟨10.1016/j.tsf.2018.05.054⟩
Article dans une revue hal-01929521 v1

Surface preparation and the evolution of atomically flat step terrace morphology of MgO single crystals

Azza Hadj Youssef , Gitanjali Kolhatkar , Alexandre Merlen , Reji Thomas , Andreas Ruediger
AIP Advances, 2018, 8 (9), pp.095025. ⟨10.1063/1.5047029⟩
Article dans une revue hal-02107099 v1
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Formation of cyanide compounds during preparation of gold surfaces evidenced by surface‐enhanced Raman spectroscopy

Alexandre Merlen , Cedric Pardanaud , Stéphane Coussin , Christos Panagiotopoulos , Olivier Grauby et al.
Journal of Raman Spectroscopy, 2018, pp.1-6. ⟨10.1002/jrs.5365⟩
Article dans une revue hal-01770401 v1

Near-field chemical mapping of gold nanostructures using a functionalized scanning probe

C. Dab , C. Awada , A. Merlen , A. Ruediger
Physical Chemistry Chemical Physics, 2017, 19 (46), pp.31063-31071. ⟨10.1039/c7cp06004a⟩
Article dans une revue hal-01693994 v1

Relation between plasmonic tip emission and electromagnetic enhancement evidenced in tip-enhanced Raman spectroscopy

J. Plathier , A. Merlen , A. Pignolet , A. Ruediger
Journal of Raman Spectroscopy, 2017, 48 (12), pp.1863-1870. ⟨10.1002/jrs.5260⟩
Article dans une revue hal-01693989 v1
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Relation between plasmonic tip emission and electromagnetic enhancement evidenced in tip-enhanced Raman spectroscopy

J. Plathier , A. Merlen , A. Pignolet , A. Ruediger
Journal of Raman Spectroscopy, 2017, 48 (12), pp.1863-1870. ⟨10.1002/jrs.5260⟩
Article dans une revue hal-04653945 v1
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A Guide to and Review of the Use of Multiwavelength Raman Spectroscopy for Characterizing Defective Aromatic Carbon Solids: from Graphene to Amorphous Carbons

Alexandre Merlen , Josephus Gerardus Buijnsters , Cedric Pardanaud
Coatings, 2017, 7 (10), ⟨10.3390/coatings7100153⟩
Article dans une revue hal-01596681 v1

Superimposed Arrays of Nanoprisms for Multispectral Molecular Plasmonics

Gregory Q. Wallace , Mohammadali Tabatabaei , Renjie Hou , Matthew J. Coady , Peter R. Norton et al.
ACS photonics, 2016, 3 (9), pp.1723-1732. ⟨10.1021/acsphotonics.6b00388⟩
Article dans une revue hal-01435272 v1
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Vibrational modes of aminothiophenol : a TERS and DFT study

Alexandre Merlen , M. Chaigneau , Stéphane Coussan
Physical Chemistry Chemical Physics, 2015, 17 (29), pp.19134-19138. ⟨10.1039/c5cp01579k⟩
Article dans une revue hal-02266146 v1
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A near field optical image of a gold surface: a luminescence study

Alexandre Merlen , J. Plathier , A. Ruediger
ChemPhysChem, 2015, ⟨10.1039/C4CP05000B⟩
Article dans une revue hal-01239369 v1

Underpotential deposition of selenium and antimony on gold

Yuan Chen , Lishi Wang , Annie Pradel , Alexandre Merlen , Michel Ribes et al.
Journal of Solid State Electrochemistry, 2015, 19 (8), pp.2399-2411. ⟨10.1007/s10008-015-2881-0⟩
Article dans une revue hal-01196059 v1

Detection of Rhodamine 6G at low concentrations using Raman Spectroscopy: A comparison between Ag and Au-based nanoporous substrates

D. Fernand , David Bergé-Lefranc , C. Pardanaud , T.N.T. Phan , A. Merlen et al.
The European Physical Journal. Special Topics, 2015, 224 (9), pp.2001 - 2010. ⟨10.1140/epjst/e2015-02517-5⟩
Article dans une revue hal-01416746 v1
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Focal Point: Imaging Optical Near‐field in Plasmonic Nanostructures

Alexandre Merlen , François Lagugné-Labarthet
Applied Spectroscopy, 2014, 68, pp.1307-1326. ⟨10.1366/14-07699⟩
Article dans une revue hal-01191524 v1

Fabrication and characterization of large metallic nanodots arrays for organic thin film solar cells using anodic aluminum oxide templates

Alexandre Sangar , Alexandre Merlen , Philippe Torchio , Sylvain Vedraine , François Flory et al.
Solar Energy Materials and Solar Cells, 2013, 117, pp.657-662. ⟨10.1016/j.solmat.2012.12.018⟩
Article dans une revue istex hal-00911134 v1

Long range nanostructuring of silicon surfaces by photonic nanojets from microsphere Langmuir films

L. N. Deepak Kallepalli , D. Grojo , L. Charmasson , P. Delaporte , O. Uteza et al.
Journal of Physics D: Applied Physics, 2013, 46 (14), ⟨10.1088/0022-3727/46/14/145102⟩
Article dans une revue hal-01418591 v1

Optical Properties of Silver and Gold Tetrahedral Nanopyramid Arrays Prepared by Nanosphere Lithography

Mohammadali Tabatabaei , Alexandre Sangar , Nastaran Kazemi-Zanjani , Philippe Torchio , Alexandre Merlen et al.
Journal of Physical Chemistry C, 2013, 117 (28), pp.14778 - 14786. ⟨10.1021/jp405125c⟩
Article dans une revue hal-01757657 v1
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Multi-wavelength enhancement of silicon Raman scattering by nanoscale laser surface ablation

A. Merlen , A. Sangar , P. Torchio , L. N. D. Kallepalli , D. Grojo et al.
Applied Surface Science, 2013, 284, pp.545-548. ⟨10.1016/j.apsusc.2013.07.131⟩
Article dans une revue hal-01418579 v1
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A Surface Enhanced Raman Spectroscopy study of aminothiophenol and aminothiophenol-C60 self-assembled monolayers: evolution of Raman modes with experimental parameters

Gregory Delafosse , Alexandre Merlen , Sylvain Clair , Lionel Patrone
The Journal of Chemical Physics, 2012, 136, pp.194704. ⟨10.1063/1.4717720⟩
Article dans une revue hal-01007241 v1

Self-organised growth of molecular arrays at surfaces

L. Porte , Mathieu Abel , P. Amsalem , F. Bocquet , C. Bocquet et al.
International Journal of Nanotechnology, 2012, 9 (3/4/5/6/7), ⟨10.1504/IJNT.2012.045337⟩
Article dans une revue hal-01896199 v1

Optical characterization of organic blend films integrating metallic nanoparticles

Sylvain Vedraine , Philippe Torchio , Alexandre Merlen , Joanna Bagierek , François Flory et al.
Solar Energy Materials and Solar Cells, 2012, 102, pp.31-35. ⟨10.1016/j.solmat.2011.11.045⟩
Article dans une revue istex hal-00911119 v1

Optical and Luminescent Properties of CdSe/ZnS and TiO2 Semiconductor Quantum Dots Embedded into PMMA Layers

Hung-Ju Lin , Yu-Jen Chen , Judikaël Le Rouzo , Alexandre Merlen , Waldir Avansi Junior et al.
Nanostructured Thin Films V, 2012, 8465, ⟨10.1117/12.929268⟩
Article dans une revue hal-01810806 v1

Surface enhanced spectroscopy with gold nanostructures on silicon and glass substrates

Alexandre Merlen , Virginie Chevallier , Jean-Christophe Valmalette , L. Patrone , Philippe Torchio et al.
Surface Science : A Journal Devoted to the Physics and Chemistry of Interfaces, 2011, 605, pp.1214-1218. ⟨10.1016/j.susc.2011.04.004⟩
Article dans une revue istex hal-00911089 v1

Intrinsic absorption in organic thin film including metallic nanoparticles

Philippe Torchio , Sylvain Vedraine , Wilfried Vervisch , Ludovic Escoubas , François Flory et al.
Proceedings of the International Conference "Nanomeeting-2011", 2011, pp.580-583
Article dans une revue hal-00911159 v1
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High-pressure behavior of polyiodides confined into single-walled carbon nanotubes: A Raman study

Laurent Alvarez , Jean-Louis Bantignies , Rozenn Le Parc , Raymond Aznar , Jean-Louis Sauvajol et al.
Physical Review B, 2010, 82 (20), pp.205403. ⟨10.1103/PhysRevB.82.205403⟩
Article dans une revue hal-00534900 v1

Surface Interactions between Molecules and Nanocrystals in Copper Oxalate Nanostructures

Julien Romann , Jean-Christophe Valmalette , Virginie Chevallier , Alexandre Merlen
Journal of Physical Chemistry C, 2010, 114 (24), pp.10677-10682. ⟨10.1021/jp9082344⟩
Article dans une revue hal-03126125 v1

Self-Organized Assembly of Copper Oxalate Nanocrystals

Julien Romann , Virginie Chevallier , Alexandre Merlen , Jean-Christophe Valmalette
Journal of Physical Chemistry C, 2009, 113 (13), pp.5068-5074. ⟨10.1021/jp805335f⟩
Article dans une revue hal-03126123 v1

Depolarization effects in tip-enhanced Raman spectroscopy

A. Merlen , J.C. Valmalette , P.G. Gucciardi , Marc Lamy de La Chapelle , A. Frigout et al.
Journal of Raman Spectroscopy, 2009, 40 (10), pp.1361-1370. ⟨10.1002/jrs.2424⟩
Article dans une revue istex hal-00583311 v1
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High pressure-high temperature synthesis of diamond from single-wall pristine and iodine doped carbon nanotube bundles

A. Merlen , Pierre Toulemonde , S. Le Floch , G. Montagnac , Tahar Hammouda et al.
Carbon, 2009, 47, pp.1643-1651. ⟨10.1016/j.carbon.2009.02.014⟩
Article dans une revue hal-00453379 v1
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Some aspects of electrical conduction in granular systems of various dimensions

Mathieu Creyssels , Stéphane Dorbolo , Alexandre Merlen , Claude Laroche , Bertrand Castaing et al.
European Physical Journal E: Soft matter and biological physics, 2007, 23, pp.255. ⟨10.1140/epje/i2006-10186-9⟩
Article dans une revue hal-00170319 v3

Optimization of Paris-Edinburgh press cell assemblies for in situ monochromatic X-ray diffraction and X-ray absorption

Guillaume Morard , M. Mezouar , N. Rey , R. Poloni , A. Merlen et al.
High Pressure Research, 2007, 27 (2), pp.223-233. ⟨10.1080/08957950601183553⟩
Article dans une revue hal-00613966 v1
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Effects of electromagnetic waves on the electrical properties of contacts between grains

Stéphane Dorbolo , Alexandre Merlen , Mathieu Creyssels , Nicolas Vandewalle , Bernard Castaing et al.
EPL - Europhysics Letters, 2007, 79 (5), pp.54001. ⟨10.1209/0295-5075/79/54001⟩
Article dans une revue hal-00169540 v1

Raman spectroscopy of open-ended Single Wall Carbon Nanotubes under pressure: effect of the pressure transmitting medium.

Alexandre Merlen , Pierre Toulemonde , Nedjma Bendiab , Anna Aouizerat , Jean-Louis Sauvajol et al.
physica status solidi (b), 2006, 243 (3), pp.690-699. ⟨10.1002/pssb.200541364⟩
Article dans une revue istex hal-00232792 v1

Synchrotron studies on silicon clathrates: Highly stable nanostructured materials.

A. San-Miguel , Pierre Toulemonde , A. Merlen , B. Masenelli , F. Tournus et al.
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 2005, 238, pp.163-166. ⟨10.1016/j.nimb.2005.06.040⟩
Article dans une revue istex hal-00021504 v1
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Resonant Raman spectroscopy of single-wall carbon nanotubes under pressure

Alexandre Merlen , Nedjma Bendiab , Pierre Toulemonde , Anna Aouizerat , Alfonso San Miguel et al.
Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2005, 72, pp.035409. ⟨10.1103/PhysRevB.72.035409⟩
Article dans une revue hal-00232786 v1

Pressure-induced homothetic volume collapse in silicon clathrates.

A. San Miguel , A. Merlen , Pierre Toulemonde , T. Kume , S. Le Floch et al.
EPL - Europhysics Letters, 2005, 69, pp.556-562. ⟨10.1209/epl/i2004-10387-x⟩
Article dans une revue istex hal-00021564 v1

Ion beam photography in sol-gel NiO-SiO2 films

B. Canut , A. Merlen , V. Teodorescu , C. Ghica , C.S. Sandu et al.
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 2003, 209, pp.335-339
Article dans une revue in2p3-00022246 v1

Micro/Nano-Structuration of Silicon using Photonic Nanojet Mechanism

L. N. D. Kallepalli , D. Grojo , L. Charmasson , P. Delaporte , O. Uteza et al.
2013 CONFERENCE ON AND INTERNATIONAL QUANTUM ELECTRONICS CONFERENCE LASERS AND ELECTRO-OPTICS EUROPE (CLEO EUROPE/IQEC), 2013, Unknown, Unknown Region
Communication dans un congrès hal-01418573 v1

Statistical Study of Metallic Nanostructures Prepared by Nanosphere Lithography

Alexandre Merlen , Alexandre Sangar , Philippe Torchio , Sylvain Vedraine , Virginie Chevallier et al.
Surface Canada 2013 - Energy, Materials, Environment conference, London (CA), May 2013, Canada
Communication dans un congrès hal-00911168 v1

Metal nanoparticles to increase light absorption of organic thin film solar cells

Sylvain Vedraine , Philippe Torchio , François Flory , Alexandre Merlen , Alexandre Sangar et al.
Surface Canada 2013 - Energy, Materials, Environment conference, London (CA), May 7-10 2013, May 2013, Canada
Communication dans un congrès hal-00911169 v1

Statistical Study of Metallic Nanostructures Prepared by Nanosphere Lithography

Alexandre Merlen , Philippe Courmontagne , Alexandre Sangar , Philippe Torchio , Sylvain Vedraine et al.
6ièmes Journées Scientifiques du Centre de compétences en Nanosciences et Nanotechnologies (C'NANO-PACA 2013), Jun 2013, France
Communication dans un congrès hal-00911161 v1