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Interfaces Group
2 allée du Professeur Camille Soula
31400 Toulouse

Office 211 – Escande building
Tel : (+33) 5 34 32 29 88
e-mail :

Research activities

Wetting and capillarity at the nanometer scale, Nanohydrodynamics

Wetting of heterogeneous surfaces, reactive wetting

Atomic force microscopy, Focused Ion Beam, Liquid nanodispensing


  • 2006 : Habilitation à diriger des recherches, Université Toulouse 3.
  • 1991 : PhD in laboratoire de physique de la matière condensée, Collège de France, Paris
  • 1989 : Master in Material Sciences, Université Paris 6
  • 1989 : Engineer of Ecole Supérieure de Physique et Chimie Industrielle (ESPCI) de la ville de Paris.

Research experience

  • Jan. 2018 – present : Interfaces group, IMFT
  • Jan. 1996 – Dec. 2017 : Nanosciences group, CEMES-CNRS
  • Apr. 1993 – Dec. 1995 : Laboratoire de physique de la matière condensée, Collège de France, Paris.

Spreading of reactive droplets : the free-running droplets.
Pinning of a contact line on a surface discontinuity.
Tack of a polymer melt : the viscoelastic trumpet

Bénard-Marangoni instability in cells with a small aspect ratio.
Chaotic evolution of patterns in square geometry

  • Oct. 1989 – Oct. 1991 : Laboratoire de physique de la matière condensée, Collège de France, Paris.

Statics and dynamics of wetting on heterogeneous surface
Synthesis and and behaviour of Janus beads.
Dynamics of relaxation of the contact line


  • Bronze medal CNRS 1998

Edited book

Book chapters

  • Nanomeniscus mechanical properties, JP Aimé, T. Ondarçuhu, R. Boisgard, L. Fabié, M. Delmas, C. Fouché in « Nanoscale liquid interfaces », Eds T. Ondarçuhu, J.P. Aimé (Pan Stanford Publishing) 2013, 307-359 (53 pages).
  • Manipulation of liquid nanodrops, E. Dujardin, T. Ondarçuhu, L. Fabié in « Nanoscale liquid interfaces », Eds T. Ondarçuhu, J.P. Aimé (Pan Stanford Publishing) 2013, 441-491 (51 pages)
  • Capillary forces in atomic force microscopy and liquid nanodispensing, T. Ondarçuhu, L. Fabié, in “Surface Tension in Microsystems – Engineering Below the Capillary Length”, Ed. P. Lambert (Springer Verlag) 2013, 279-305 (27 pages).

Selected publications (total 65)

  •  Influence of surface-active substances and substrates on wettability of individual aerosol particles during condensation by Environmental Scanning Electron Microscopy, C.Chatre, E. Ehret; T. Ondarçuhu, P. Steyer, K. Masenelli-Varlot, FJ Cadete , Santos Aires, B. Noziere, Langmuir, 39 (2023) 2957-2965 Download
  • New probes based on carbon nanocones for scanning probe microscopies, Cours, G. Paredes, A. Masseboeuf, T. Ondarçuhu, G. Seine, P. Puech, R. Arenal, F. Piazza, M. Monthioux, Ultramicroscopy 245 (2023) 11367 Download

  • Wetting at the Nanoscale: Molecular Mobility Induced by Contact Line Forces, S. Franiatte, P. Tordjeman, T. Ondarçuhu  Langmuir , 38 (2022) 2614-2625. Download
  • Hybrid Ni-Co-Ni Structures Prepared by Magnetophoresis as Efficient Permanent Magnets for Integration into MEMS, Moritz, I. Lecerf, A. Gonon, T. Blon, S. Cayez, D. Bourrier, F. Mathieu, J.-E. Angulo-Cervera, L. Nicu, T. Leïchlé, T. Ondarçuhu, G. Viau, L.-M. Lacroix, Adv. Engin. Mat.  (2022) 2200733. Download Selected for the “Best of Advanced Engineering Materials – 2023 Edition” Virtual Issue.

  • Molecular desorption by a moving contact line, S. Franiatte, P. Tordjeman, T. Ondarçuhu  Phys. Rev. Lett. , 127 (2021) 065501. Download
  • Nanoscale Wetting of Single Viruses, A. Calò, A. Eleta-Lopez, T. Ondarçuhu, A. Verdaguer, A. Bittner Molecules , 26 (2021) 5184. Download
  • Unveiling the existence and role of a liquid phase in a high temperature (1400 °C) pyrolytic carbon deposition process, Paredes, T. Ondarçuhu, M. Monthioux, F. Piazza, Carbon Trends  5 (2021) 100117 Download

  • Long-range hydrodynamics forces in liquid FM-AFM, C. Devailly, P. Bouriat, C. Ducharry, F. Risso, T. Ondarçuhu, P. Tordjeman Appl. Phys. Lett. , 31 (2020) 455501. Download
  • Nanoscale Wetting of Viruses by Ionic Liquids, J.M Alonso, T. Ondarçuhu, C. Parrens, M. Gorzny, A. Bittner, J. Mol. Liq. , 276 (2019) 667-674. Download 
  • Spontaneous migration of cellular aggregates from giant keratocytes to running spheroids, G. Beaune et al.PNAS , 115 (2018) 12926. Download 
  • Jump-to-contact instability : the nanoscale mechanism of droplet coalescence in air, V. Chireux, M. Protat, F. Risso, T. Ondarçuhu, P. Tordjeman, Phys. Rev. Fluids. Rapid Comm. , 3 (2018) 102001(R). Download
  • Dissipation in an oscillating nanomeniscus, C. Mortagne, K. Lippera, P. Tordjeman, M. Benzaquen and T. Ondarçuhu, Phys. Rev. Fluids. Rapid Comm. , 2 (2017) 102201(R). Download
  • Near-field deformation of a liquid interface by atomic force microscopy, C. Mortagne, V. Chireux, R. Ledesma-Alonso, M. Ogier, F. Risso, T. Ondarçuhu, D. Legendre, P. Tordjeman, Phys. Rev. E , 96 (2017) 012802 Download
  • AFM study of nanohydrodynamics around micro and nanocylinders, J. Dupré de Baubigny, M. Benzaquen, C. Mortagne, C. Devailly, J. Laurent, A. Steinberger, J.-P. Salvetat, J.-P. Aimé, T. Ondarçuhu, Phys. Rev. Fluids , 1 (2016) 044104 Download
  • Wettability of partially suspended graphene, T. Ondarçuhu, V. Thomas, M. Nuñez, E. Dujardin, A. Rahman, C. Black, A. Checco., Sci. Rep. , 6 (2016) 24237 Download
  • Shape and effective spring constant of liquid interfaces probed at the nanometer scale : finite size effects, J. Dupré de Baubigny, M. Benzaquen, L. Fabié, M. Delmas, JP Aimé, M. Legros, T. Ondarçuhu, Langmuir , 31 (2015), 9790 – 9798 Download
  • Direct patterning of nanoparticles and biolomecules by liquid nanodispensing , L. Fabié, P. Agostini, M. Stopel, C. Blum, B. Lassagne, V. Subramaniam, T. Ondarçuhu, Nanoscale , 7 (2015), 4497 – 4504 Download 
  • The condensation of water on adsorbed viruses, J.M. Alonso, F. Tatti, A. Chuvilin, K. Mam, T. Ondarçuhu, A. M. Bittner, Langmuir 29 (2013) 14580-14587. Download 
  • Integration of plant viruses in electron beam lithography nanostructures, J. M. Alonso, T. Ondarçuhu, A. Bittner, Nanotechnology 24 (2013) 105305, highlighted as editor’s pick Download 
  • The effect of adsorbed species and exposure to sulfuric acid on the electrical conductance of individual single-wall carbon nanotube transistor, J. Shen, P. Puech, T. Ondarçuhu, W. Escoffier, B. Raquet, M. Monthioux, Carbon 50 (2012) 3953-3960, Download 
  • Writing with liquid using a nanodispenser : spreading dynamics at the sub-micron scale, L. Fabié, T. Ondarçuhu, Soft Matt. 8 (2012) 4992-5001, Download 
  • Contact angle hysteresis at the nanometer scale, M. Delmas, M. Monthioux, T. Ondarçuhu*, Phys. Rev. Lett. 106 (2011) 136102, Download 
  • Electrical detection of individual magnetic nanoparticles encapsulated in carbon nanotubes, J.P. Cleuziou, W. Wernsdorfer, T.Ondarçuhu, M. Monthioux, ACS Nano 5 (2011) 2348–2355, Download 
  • Elasto-capillary fabrication of three-dimensional microstructures, J. W. van Honschoten, J. W. Berenschot, T. Ondarçuhu, R. G. P. Sanders, J. Sundaram, N. R. Tas., Appl. Phys. Lett. 97 (2010) 014103, Download 
  • Capillary forces during liquid nanodispensing , L. Fabié, H. Durou, T. Ondarçuhu*, Langmuir 26 (2010) 1870-1878, Download
  • Evaporation of femtoliter sessile droplets monitored with nanomechanical mass sensors, J. Arcamone, E. Dujardin, G. Rius, F. Pérez-Murano, T. Ondarçuhu*, J. Phys. Chem. B 111(2007)13020-13027, Download
  • Gate-tuned high frequency response of carbon nanotube Josephson junctions, J.P. Cleuziou, W. Wernsdorfer, S. Andergassen, S. Florens, V. Bouchiat, T.Ondarçuhu, M. Monthioux, Phys. Rev. Lett. 99 (2007) 117001 Download
  • Carbon nanotube superconducting quantum interference device, J.P. Cleuziou, W. Wernsdorfer, V. Bouchiat, T.Ondarçuhu, M. Monthioux, Nature Nanotechnology 1(2006) 53-59 Download
  • Control of droplet size in liquid nanodispensing, A.Fang, E. Dujardin, T.Ondarçuhu, NanoLett. 6 (2006) 2368-2374 Download
  • Electronic fluctuations in multi-walled carbon nanotubes, B. Raquet, B. Lassagne, J.-M. Broto, J.-P. Cleuziou, T. Ondarçuhu, M. Monthioux, New J. Phys. 8 (2006) 31-42. Download 
  • Pinning of a contact line on nanometric steps during the dewetting of a terraced substrate, T. Ondarçuhu, A. Piednoir, NanoLett. 5 (2005) 1744-1750. Download 
  • Adhesion between a viscoelastic material and a solid surface, F. Saulnier, T. Ondarçuhu, A. Aradian, E. Raphaël, Macromolecules 37 (2004) 1067-1075. Download 
  • Atomic force microscope tip nanoprinting of gold nanoclusters, M. Ben Ali, T. Ondarçuhu, C. Joachim, Langmuir 18 (2002) 872-876. Download 
  • Co-planar carbon nanotube hybrid molecular transistors fabricated in parallel, T. Ondarçuhu, C. Joachim, S. Gerdes, Europhys. Lett. 52 (2000) 178-184. Download 
  • A metallic microcantilever electric contact probe array incorporated in an atomic force microscope, T. Ondarçuhu, L. Nicu, S. Cholet, C. Bergaud, S. Gerdes, C. Joachim, Rev. Sci. Instr. 71 (2000) 2087-2093. Download 
  • Combing a carbon nanotube on a flat metal-insulator-metal nanojunction , S. Gerdes, T. Ondarçuhu, S. Cholet, C. Joachim, Europhys. Lett. 48 (1999) 292-298. Download 
  • Drawing a single nanofibre over hundreds of microns, T. Ondarçuhu, C. Joachim, Europhys. Lett. 42 (1998) 215-220. Download 
  • Tack of a polymer melt : adhesion measurements and fracture profile observations, T. Ondarçuhu, J. Phys. II 7 (1997) 1893-1916. Download
  • Free-running droplets, F. Domingues Dos Santos, T. Ondarçuhu, Phys. Rev. Lett. 75 (1995) 2972-2975. Download
  • Total or partial pinning of a droplet on a surface with a chemical discontinuity, T. Ondarçuhu, J. Phys. II 5 (1995) 227-241. Download 
  • Dynamical patterns in a Bénard-Marangoni convective container with square symmetry, T. Ondarçuhu, G.B. Mindlin, H.L. Mancini, C. Pérez-García, Phys. Rev Lett. 70 (1993) 3892-3895. Download 
  • Relaxation modes of the contact line of a liquid spreading on a surface, T. Ondarçuhu, M. Veyssié, Nature 352 (1991) 418-420. Download
  • Specific properties of amphiphilic particles at fluid interfaces, T. Ondarçuhu, P. Fabre, E. Raphaël, M. Veyssié, J. Physique , 51 (1990) 1527-1536. Download