Alexandre Merlen Alexandre MerlenMaître de Conférences (HDR)Laboratoire MAPIEMUniversité de Toulon

Identifiants chercheurs

IdHAL :

alexandre-merlen

ORCID :

0000-0002-8453-299X

IdRef :

095162879

Présentation

1998-2000: Magistère de Physique à l'Ecole Normale Supérieure de Lyon2001: Agrégation de Physique2002: DEA Matière Condensée Surface et Interfaces à l’Université de Lyon 12003-2005: Thèse &quot;Nanotubes de carbone dans des conditions extrêmes de température et de pression&quot; Université Lyon 12005: Agrégé Préparateur au Laboratoire de Physique de l'Ecole Normale Supérieure de Lyon2006-.....: Maître de conférences à l'Université de Toulon2014: Habilitation à diriger des recherches2022-....: Directeur adjoint de la faculté des sciences et techniques

Publications

Article dans une revue (56)

Method Based on Continuous Artificial Dry and Humid UV Treatments to Reduce the Luminescence Background in the Raman Spectra of Plastics L. Dewyspelaere,L. Belec,I. Martin,V. Lenoble,A. Ruedigeret al. Journal of Raman Spectroscopy, 2026, ⟨10.1002/jrs.70141⟩ Article dans une revue hal-05578923v1
Laser induced oxidation Raman spectroscopy as an analysis tool for iridium-based oxygen evolution catalysts Sebastian Speer,Sven Jovanovic,Alexandre Merlen,Francesco Bartoli,Kiran Kiranet al. Physical Chemistry Chemical Physics, 2025, 27 (5), pp.2570-2577. ⟨10.1039/D4CP03592E⟩ Article dans une revue hal-05001213v1
Self‐Recovery of Carbonate‐Contaminated Strontium Titanate (100) Vicinal Surfaces Imaged by Tip‐Enhanced Raman Spectroscopy Mohammad Bakhtbidar,Daniel Gueckelhorn,Marivi Fernández-Serra,Yon Leandro Leibas López,Alexandre Merlenet al. Advanced Materials Interfaces, 2025, 12 (11), ⟨10.1002/admi.202401024⟩ Article dans une revue hal-05111967v1
Ferroelectric-to-paraelectric phase transition probing via high-resolution tip-enhanced Raman spectroscopy Mohammad Bakhtbidar,Alexandre Merlen,Andreas Ruediger Optics Communications, 2025, 591, pp.132058. ⟨10.1016/j.optcom.2025.132058⟩ Article dans une revue hal-05111959v1
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-04649336v1
LaFeO3 thin films on Yttria Stabilized Zirconia flexible substrate M. Jędrusik,Ch. Turquat,P. Eyméoud,A. Merlen,Madjid Arabet al. Thin Solid Films, 2023, 780, pp.139951. ⟨10.1016/j.tsf.2023.139951⟩ Article dans une revue hal-04290861v1
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-04534658v1
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 Chuzelet al. Carbon, 2023, 203, pp.650-660. ⟨10.1016/j.carbon.2022.12.010⟩ Article dans une revue hal-03887634v1
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-04649394v1
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 Michalonet al. Journal of Applied Physics, 2023, 133 (7), pp.073103. ⟨10.1063/5.0126372⟩ Article dans une revue hal-04008614v2
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-03879703v1
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 Tempelet al. Beilstein Journal of Nanotechnology, 2021, 12, pp.1173-1186. ⟨10.3762/bjnano.12.87⟩ Article dans une revue hal-04649478v1
Spectral fluctuation in SERS spectra of benzodiazepin molecules: The case of oxazepam Alexandre Merlen,Cédric Pardanaud,Katharina Gratzer,Stéphane Coussan,Denis Machonet al. Journal of Raman Spectroscopy, 2020, 51 (11), pp.2192-2198. ⟨10.1002/jrs.5972⟩ Article dans une revue hal-02928096v1
Topography-induced variations of localized surface plasmon resonance in tip-enhanced Raman configuration Azza Hadj Youssef,Jiawei Zhang,Andreas Dörfler,Gitanjali Kolhatkar,Alexandre Merlenet al. Optics Express, 2020, 28 (9), pp.14161. ⟨10.1364/OE.389565⟩ Article dans une revue hal-02934942v1
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 Roubinet al. Nuclear Fusion, 2020, ⟨10.1088/1741-4326/ab9347⟩ Article dans une revue hal-02611611v1
Sample induced intensity variations of localized surface plasmon resonance in tip-enhanced Raman spectroscopy Jiawei Zhang,Azza Hadj Youssef,Andreas Dörfler,Gitanjali Kolhatkar,Alexandre Merlenet al. Optics Express, 2020, 28 (18), pp.25998. ⟨10.1364/OE.403345⟩ Article dans une revue hal-03118396v1
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 Rivardet al. Advanced Functional Materials, 2019, pp.1901266. ⟨10.1002/adfm.201901266⟩ Article dans une revue hal-02266179v1
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. Nikolaievskyiet al. Journal of Physical Chemistry Letters, 2019, 10 (13), pp.3571-3579. ⟨10.1021/acs.jpclett.9b00564⟩ Article dans une revue hal-02385952v1
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. Eichelet al. RSC Advances, 2019, 9 (47), pp.27231-27241. ⟨10.1039/c9ra03805a⟩ Article dans une revue hal-02314100v1
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. Merlenet al. Thin Solid Films, 2018, 661, pp.23 - 31. ⟨10.1016/j.tsf.2018.05.054⟩ Article dans une revue hal-01929521v1
Optical near-field mapping of plasmonic nanostructures prepared by nanosphere lithography Gitanjali Kolhatkar,Alexandre Merlen,Jiawei Zhang,Chahinez Dab,Gregory Wallaceet al. Beilstein Journal of Nanotechnology, 2018, 9, pp.1536 - 1543. ⟨10.3762/bjnano.9.144⟩ Article dans une revue hal-01862842v1
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-02107099v1
Formation of cyanide compounds during preparation of gold surfaces evidenced by surface‐enhanced Raman spectroscopy Alexandre Merlen,Cedric Pardanaud,Stéphane Coussin,Christos Panagiotopoulos,Olivier Graubyet al. Journal of Raman Spectroscopy, 2018, pp.1-6. ⟨10.1002/jrs.5365⟩ Article dans une revue hal-01770401v1
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-01693994v1
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-01693989v1
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-04653945v1
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-01596681v1
Superimposed Arrays of Nanoprisms for Multispectral Molecular Plasmonics Gregory Q. Wallace,Mohammadali Tabatabaei,Renjie Hou,Matthew J. Coady,Peter R. Nortonet al. ACS photonics, 2016, 3 (9), pp.1723-1732. ⟨10.1021/acsphotonics.6b00388⟩ Article dans une revue hal-01435272v1
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-02266146v1
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-01239369v1
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. Merlenet al. The European Physical Journal. Special Topics, 2015, 224 (9), pp.2001 - 2010. ⟨10.1140/epjst/e2015-02517-5⟩ Article dans une revue hal-01416746v1
Underpotential deposition of selenium and antimony on gold Yuan Chen,Lishi Wang,Annie Pradel,Alexandre Merlen,Michel Ribeset al. Journal of Solid State Electrochemistry, 2015, 19 (8), pp.2399-2411. ⟨10.1007/s10008-015-2881-0⟩ Article dans une revue hal-01196059v1
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-01191524v1
Optical Properties of Silver and Gold Tetrahedral Nanopyramid Arrays Prepared by Nanosphere Lithography Mohammadali Tabatabaei,Alexandre Sangar,Nastaran Kazemi-Zanjani,Philippe Torchio,Alexandre Merlenet al. Journal of Physical Chemistry C, 2013, 117 (28), pp.14778 - 14786. ⟨10.1021/jp405125c⟩ Article dans une revue hal-01757657v1
Long range nanostructuring of silicon surfaces by photonic nanojets from microsphere Langmuir films L. N. Deepak Kallepalli,D. Grojo,L. Charmasson,P. Delaporte,O. Utezaet al. Journal of Physics D: Applied Physics, 2013, 46 (14), ⟨10.1088/0022-3727/46/14/145102⟩ Article dans une revue hal-01418591v1
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 Floryet 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-00911134v1
Multi-wavelength enhancement of silicon Raman scattering by nanoscale laser surface ablation A. Merlen,A. Sangar,P. Torchio,L. N. D. Kallepalli,D. Grojoet al. Applied Surface Science, 2013, 284, pp.545-548. ⟨10.1016/j.apsusc.2013.07.131⟩ Article dans une revue hal-01418579v1
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-01007241v1
Self-organised growth of molecular arrays at surfaces L. Porte,Mathieu Abel,P. Amsalem,F. Bocquet,C. Bocquetet al. International Journal of Nanotechnology, 2012, 9 (3/4/5/6/7), ⟨10.1504/IJNT.2012.045337⟩ Article dans une revue hal-01896199v1
Optical characterization of organic blend films integrating metallic nanoparticles Sylvain Vedraine,Philippe Torchio,Alexandre Merlen,Joanna Bagierek,François Floryet 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-00911119v1
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 Junioret al. Nanostructured Thin Films V, 2012, 8465, ⟨10.1117/12.929268⟩ Article dans une revue hal-01810806v1
Surface enhanced spectroscopy with gold nanostructures on silicon and glass substrates Alexandre Merlen,Virginie Chevallier,Jean-Christophe Valmalette,L. Patrone,Philippe Torchioet 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-00911089v1
Intrinsic absorption in organic thin film including metallic nanoparticles Philippe Torchio,Sylvain Vedraine,Wilfried Vervisch,Ludovic Escoubas,François Floryet al. Proceedings of the International Conference "Nanomeeting-2011", 2011, pp.580-583 Article dans une revue hal-00911159v1
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 Sauvajolet al. Physical Review B, 2010, 82 (20), pp.205403. ⟨10.1103/PhysRevB.82.205403⟩ Article dans une revue hal-00534900v1
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-03126125v1
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-03126123v1
Depolarization effects in tip-enhanced Raman spectroscopy A. Merlen,J.C. Valmalette,P.G. Gucciardi,Marc Lamy de La Chapelle,A. Frigoutet al. Journal of Raman Spectroscopy, 2009, 40 (10), pp.1361-1370. ⟨10.1002/jrs.2424⟩ Article dans une revue istex hal-00583311v1
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 Hammoudaet al. Carbon, 2009, 47, pp.1643-1651. ⟨10.1016/j.carbon.2009.02.014⟩ Article dans une revue hal-00453379v1
Some aspects of electrical conduction in granular systems of various dimensions Mathieu Creyssels,Stéphane Dorbolo,Alexandre Merlen,Claude Laroche,Bertrand Castainget 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-00170319v3
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. Merlenet al. High Pressure Research, 2007, 27 (2), pp.223-233. ⟨10.1080/08957950601183553⟩ Article dans une revue hal-00613966v1
Effects of electromagnetic waves on the electrical properties of contacts between grains Stéphane Dorbolo,Alexandre Merlen,Mathieu Creyssels,Nicolas Vandewalle,Bernard Castainget al. EPL - Europhysics Letters, 2007, 79 (5), pp.54001. ⟨10.1209/0295-5075/79/54001⟩ Article dans une revue hal-00169540v1
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 Sauvajolet al. physica status solidi (b), 2006, 243 (3), pp.690-699. ⟨10.1002/pssb.200541364⟩ Article dans une revue istex hal-00232792v1
Synchrotron studies on silicon clathrates: Highly stable nanostructured materials. A. San-Miguel,Pierre Toulemonde,A. Merlen,B. Masenelli,F. Tournuset 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-00021504v1
Resonant Raman spectroscopy of single-wall carbon nanotubes under pressure Alexandre Merlen,Nedjma Bendiab,Pierre Toulemonde,Anna Aouizerat,Alfonso San Miguelet 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-00232786v1
Pressure-induced homothetic volume collapse in silicon clathrates. A. San Miguel,A. Merlen,Pierre Toulemonde,T. Kume,S. Le Flochet al. EPL - Europhysics Letters, 2005, 69, pp.556-562. ⟨10.1209/epl/i2004-10387-x⟩ Article dans une revue istex hal-00021564v1
Ion beam photography in sol-gel NiO-SiO2 films B. Canut,A. Merlen,V. Teodorescu,C. Ghica,C.S. Sanduet 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 in2p3-00022246v1

Communication dans un congrès (4)

Statistical Study of Metallic Nanostructures Prepared by Nanosphere Lithography Alexandre Merlen,Alexandre Sangar,Philippe Torchio,Sylvain Vedraine,Virginie Chevallieret al. Surface Canada 2013 - Energy, Materials, Environment conference, London (CA), May 2013, Canada Communication dans un congrès hal-00911168v1
Micro/Nano-Structuration of Silicon using Photonic Nanojet Mechanism L. N. D. Kallepalli,D. Grojo,L. Charmasson,P. Delaporte,O. Utezaet 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-01418573v1
Metal nanoparticles to increase light absorption of organic thin film solar cells Sylvain Vedraine,Philippe Torchio,François Flory,Alexandre Merlen,Alexandre Sangaret al. Surface Canada 2013 - Energy, Materials, Environment conference, London (CA), May 7-10 2013, May 2013, Canada Communication dans un congrès hal-00911169v1
Statistical Study of Metallic Nanostructures Prepared by Nanosphere Lithography Alexandre Merlen,Philippe Courmontagne,Alexandre Sangar,Philippe Torchio,Sylvain Vedraineet al. 6ièmes Journées Scientifiques du Centre de compétences en Nanosciences et Nanotechnologies (C'NANO-PACA 2013), Jun 2013, France Communication dans un congrès hal-00911161v1

Thèse (1)

Nanotubes de carbone monoparois dans des conditions extrêmes de pression et de température Alexandre Merlen Physique [physics]. Université Claude Bernard - Lyon I, 2005. Français. ⟨NNT : ⟩ Thèse tel-00011014v1

Image (1)

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,O. Chuzel,D. Nikolaievskyiet al. Illustration. France. 2019 Image (illustration) hal-02387242v1