Professor, Surfaces and Interfaces (DSI)Florian.Banhart@ipcms.unistra.fr
Phone: +33(0)3 88 10 71 03Office: 1042

Research subjects

  • Electron microscopy in materials science
  • In-situ experimentation in the electron microscope
  • Ultrafast electron microscopy
  • Electron irradiation of materials
  • Electrical properties of nanomaterials
  • Nano-structuring of materials by electron beams
  • Low-dimensional nanomaterials (1D, 2D)
  • Carbon nanomaterials : carbyne, graphene, nanotubes, carbon onions, nanodiamonds
  • Nanocomposites of graphitic particles and metals
  • Nucleation and growth of nanoparticles
  • Nanosystems in non-equilibrium
  • Phase transformations in nanosystems
  • Defects, diffusion, and plasticity in nanometer-sized crystals

Academic career

  • Study of Physics at the University of Stuttgart
  • Master (Diplom) 1985
  • Scholar of the Max Planck Society 1985-1988
  • PhD in Physics (University of Stuttgart) 1988
  • Research Scientist at the Max Planck Institute for Metals Research, Stuttgart 1989-1999
  • Scientist at the University of Ulm 1999-2003
  • Habilitation at the University of Ulm 2001
  • Professor of Physical Chemistry at the University of Mainz 2003-2007
  • Professor of Physics at the University of Strasbourg since 2007
  • Senior member of the Institut Universitaire de France 2014
  • Fellow of the Institute of Advanced Studies, University of Strasbourg (USIAS) 2017

Current research projects

Ultrafast transmission electron microscopy

see Equipex project UTEM

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Low-dimensional materials

1D structures made of atom chains

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Article in Imaging & Microscopy:

Publication in Nature Communications

Other current research subjects

see publications


Some selected research publications:

  • H. Mba, M. Picher, N. Daro, M. Marchivie, P. Guionneau, G. Chastanet, F. Banhart, Lattice defects in sub-micrometer spin-crossover crystals studied by electron diffraction, Journal of Physical Chemistry Letters 14, 8100 (2023)
  • Y. Hu, M. Picher, M. Palluel, N. Daro, E. Fresz, L. Stoleriu, C. Enachescu, G. Chastanet, F. Banhart, Laser-driven transient phase oscillations in individual spin-crossover particles, Small 2303701 (2023)
  • M. Picher, S. K. Sinha, T. LaGrange, F. Banhart, Analytics at the nanometer and nanosecond scales by short electron pulses in an electron microscope, Chem. Texts 8, 18 (2022)
  • Y. Hu, M. Picher, N. M. Tran, M. Palluel, L. Stoleriu, N. Daro, S. Mornet, C. Enachescu, E. Freysz, F. Banhart, G. Chastanet, Photo-Thermal Switching of Individual Plasmonically Activated Spin Crossover Nanoparticle Imaged by Ultrafast Transmission Electron Microscopy, Advanced Materials 33, 2105586 (2021)
  • J. Sun, S. K. Sinha, A. Khammari, M. Picher, M. Terrones, F. Banhart,     The amorphization of metal nanoparticles in graphitic shells under laser pulses, Carbon 161, 495-501 (2020)
  • F. Banhart, Elemental carbon in the sp1 hybridization, Chem Texts 6, 3 (2019)
  • S. K. Sinha, A. Khammari, M. Picher, F. Roulland, N. Viart, T. LaGrange, F. Banhart, The fast reduction of nanocrystalline nickel oxide studied by nanosecond electron pulses in an electron microscope,    Nature Communications 10, 3648 (2019)
  • F. Banhart, Atom chains in the TEM, Imaging and Microscopy 20 (1), 32-34 (2018)
  • M. Picher, K. Bücker, T. LaGrange, F. Banhart, Imaging and electron energy-loss spectroscopy using single nanosecond electron pulses, Ultramicroscopy, 188, 41-47 (2018)
  • F. Ben Romdhane, J.-J. Adjizian, J.-C. Charlier, F. Banhart, Electrical transport through atomic carbon chains: the role of contacts, Carbon 122, 92 (2017)
  • K. Bücker, M. Picher, O. Crégut, T. LaGrange, B. W. Reed, S. T. Park, D. J. Masiel, F. Banhart, The electron dynamics in an ultrafast transmission electron microscope with Wehnelt electrode, Ultramicroscopy, 171, 8 (2016)
  • F. Ben Romdhane, J. A. Rodríguez-Manzo, A. Andrieux-Ledier, F. Fossard, A. Hallal, L. Magaud, J. Coraux, A. Loiseau, F. Banhart, The formation of the smallest fullerene-like carbon cages on metal surfaces, Nanoscale 8, 2561 (2016)
  • A. La Torre, A. Botello-Mendez, W. Baaziz, J.-C. Charlier, F. Banhart, Strain-induced metal-semiconductor transition observed in atomic carbon chains, Nature Communications 6, 6636 (2015)
  • F. Banhart, Chains of Carbon Atoms: A Vision or a New Nanomaterial? Beilstein Journal of Nanotechnology 6, 559 (2015)
  • L. Sun, F. Banhart. J. Warner, 2D materials under electron irradiation, MRS Bulletin 40, 29 (2015)
  • Ben Romdhane, O. Cretu, L. Debbichi, O. Eriksson, S. Lebègue and F. Banhart, Quasi-two-dimensional Cu2S crystals on graphene: in-situ growth and ab-initio calculations, small 11, 1253 (2015)
  • F. Ben Romdhane, T. Björkman, A. V. Krasheninnikov and F. Banhart, The growth of one-dimensional silica structures on metal substrates, Journal of Physical Chemistry C 118, 21001 (2014)
  • A. La Torre, F. Ben Romdhane, W. Baaziz, I. Janowska, C. Pham-Huu, S. Begin-Colin, G. Pourroy and F. Banhart, Formation and characterization of carbon-metal nano-contacts, Carbon 77, 906 (2014)
  • O. Cretu, A. R. Botello-Mendez, I. Janowska, C. Pham-Huu, J.-C. Charlier and F. Banhart, Electrical conductivity measured in atomic carbon chains, Nano Letters 13, 3487 (2013)
  • F. Ben Romdhane, T. Björkman, J. A. Rodríguez-Manzo, O. Cretu, A. V. Krasheninnikov and F. Banhart, In-situ growth of cellular two-dimensional silicon oxide on metal substrates, ACS Nano 7, 5175 (2013)
  • H. Bi, K. Yin, X. Xie, Y. Zhou, N. Wan, F. Xu, F. Banhart, L. Sun and R. S. Ruoff, Casting of super-strong compact graphene, Advanced Materials 24, 5124 (2012)
  • H. Fuchs, T. J. Webster, Z. Zhang and F. Banhart, Functional Nanomaterials and Their Applications: From Origins to Unanswered Questions, Chem. Phys. Chem. 13, 2423 (2012)
  • J. A. Rodríguez-Manzo, A. V. Krasheninnikov and F. Banhart, Engineering the atomic structure of carbon nanotubes by a focused electron beam:
    new morphologies at the sub-nanometer scale, Chem. Phys. Chem. 13, 2596 (2012)
  • F. Banhart, J. Kotakoski and A. Krasheninnikov, Structural defects in graphene, ACS Nano 5, 26 (2011)
  • J.A. Rodriguez-Manzo, C. Pham-Huu and F. Banhart, Graphene growth by a metal-catalyzed solid-state transformation of amorphous carbon, ACS Nano 5, 1529 (2011)
  • O. Cretu, A.V. Krasheninnikov, J.A. Rodríguez-Manzo, R. Nieminen and F. Banhart, Migration and localization of metal atoms on graphene, Physical Review Letters 105, 196102 (2010)
  • J.A. Rodríguez-Manzo, O. Cretu and F. Banhart, The trapping of metal atoms in lattice vacancies in graphene and carbon nanotubes, ACS Nano 4, 3422 (2010)
  • F. Banhart, Interactions between metals and carbon nanotubes : at the interface between old and new materials, Nanoscale 1, 201 (2009)
  • J.A. Rodriguez-Manzo, I.M. Janowska, C. Pham-Huu, A. Tolvanen, A.V. Krasheninnikov, K.H. Nordlund and F. Banhart, Growth of single-wall carbon nanotubes from sharp metal tips, Small 5, 2710 (2009)
  • J.A. Rodríguez-Manzo, M. Wang, F. Banhart, Y. Bando and D. Golberg, Multi-branched junctions of carbon nanotubes via cobalt particles, Advanced Materials 21, 4477 (2009)
  • J.A. Rodriguez-Manzo and F. Banhart, The creation of individual vacancies in carbon nanotubes by using an electron beam of 1Å diameter, Nano Letters 9, 2285 (2009)
  • J. A. Rodríguez-Manzo, F. Banhart, M. Terrones, H. Terrones, N. Grobert, P.M. Ajayan, B.G. Sumpter, V. Meunier, M. Wang, Y. Bando and D. Golberg, Covalent Heterojunctions Between Metals and Carbon Nanotubes as Ultimate Nano-Contacts, Proceedings of the National Academy of Sciences 106, 4591 (2009)
  • L. Sun, A. V. Krasheninnikov, T. Ahlgren, K. Nordlund and F. Banhart, Plastic deformation of single nanometer-sized crystals, Physical Review Letters 101, 156101 (2008)
  • Y. Gan and F. Banhart, The Mobility of Carbon Atoms in Graphitic Nanoparticles Studied by the Relaxation of Strain in Carbon Onions, Advanced Materials 20, 4751 (2008)
  • F. Banhart (Editor)
    In-situ Electron Microscopy at High Resolution (review volume)
    World Scientific, Singapore, 2008, ISBN-13 978-981-279-733-9
  • Y. Gan, L. Sun and F. Banhart, One- and two-dimensional diffusion of metal atoms in graphene, Small, 4, 587 (2008)
  • A. Krasheninnikov and F. Banhart, Engineering of nanostructured carbon material with electron or ion beams : from point defects to self-organization, Nature Materials 6, 723 (2007)
  • J.A. Rodriguez-Manzo, M. Terrones, H. Terrones, H.W. Kroto, L. Sun and F. Banhart, In-situ nucleation of carbon nanotubes by the injection of carbon atoms into metal particles, Nature Nanotechnology 2, 307 (2007)
  • L. Sun and F. Banhart, Graphitic onions as reaction cells on the nanoscale, Applied Physics Letters 88, 193121 (2006)
  • L. Sun, F. Banhart, A. Krasheninnikov, J.A. Rodriguez-Manzo, M. Terrones and P.M. Ajayan, Carbon nanotubes as high-pressure cylinders and nano-extruders, Science 312, 1199-1202 (2006)
  • F. Banhart, Irradiation of Carbon Nanotubes with a Focused Electron Beam in the Electron Microscope, Journal of Materials Science 41, 4505 (2006)
  • J.X. Li and F. Banhart, The deformation of single nanometre-sized metal crystals in graphitic shells, Advanced Materials 17, 1539 (2005)
  • F. Banhart, J.X. Li and A.V. Krasheninnikov, Carbon nanotubes under electron irradiation : stability of tubes and action as pipes for atom transport, Physical Review B 71, 241408 (2005)
  • F. Banhart, J.X. Li and M. Terrones, Cutting Single-Walled Carbon Nanotubes with an Electron Beam : Evidence for Atom Migration Inside Nanotubes, Small 1, 953 (2005)
  • P.M. Ajayan and F. Banhart, Nanotubes : strong bundles
    Nature Materials (news and views) 3, 135 (2004)
  • J.X. Li and F. Banhart, The engineering of hot carbon nanotubes with an electron beam, Nano Letters 4, 1143 (2004)
  • F. Banhart, Formation and transformation of carbon nanoparticles under electron irradiation, Philosophical Transactions A 362, 2205 (2004)
  • X. W. Zhang, H.-G. Boyen, N. Deyneka, P. Ziemann, F. Banhart and M. Schreck, Epitaxy of cubic boron nitride on (001)-oriented diamond, Nature Materials 2, 312 (2003)
  • F. Banhart, E. Hernandez and M. Terrones, Extreme superheating and supercooling of encapsulated metals in fullerene-like shells, Physical Review Letters 90, 185502 (2003)
  • A. Krüger, M. Ozawa and F. Banhart, Carbon nanotubes as elements to focus electron beams by Fresnel diffraction, Applied Physics Letters 83, 5056 (2003)
  • M. Terrones, F. Banhart, N. Grobert, J.-C. Charlier, H. Terrones and P.M. Ajayan, Molecular junctions of single-walled nanotubes, Physical Review Letters 9, 075505 (2002)
  • F. Banhart, The formation of a connection between carbon nanotubes in an electron beam, Nano Letters 1, 329 (2001)
  • F. Banhart, J.-C. Charlier and P.M. Ajayan, The dynamic behaviour of nickel atoms in graphitic networks, Physical Review Letters 84, 686 (2000)
  • M. Zaiser, Y. Lyutovich and F. Banhart, The irradiation-induced transformation of graphite to diamond : a quantitative study, Physical Review B 62, 3058 (2000)
  • M. Terrones, H. Terrones, F. Banhart, J.-C. Charlier and P.M. Ajayan, The coalescence of single-walled nanotubes, Science 288, 1226 (2000)
  • Y. Lyutovich and F. Banhart, Low-pressure transformation of graphite to diamond under irradiation, Applied Physics Letters 74, 659 (1999)
  • F. Banhart, Irradiation effects in carbon nanostructures, Reports on Progress in Physics 62, 1181 (1999)
  • T. Füller, M. Konuma, J. Zipprich and F. Banhart, The critical thickness of silicon-germanium layers grown by liquid phase epitaxy, Applied Physics A 69, 597 (1999)
  • F. Banhart, Ph. Redlich and P.M. Ajayan, The migration of metal atoms through carbon onions, Chemical Physics Letters 292, 554 (1998)
  • F. Banhart, T. Füller, Ph. Redlich and P.M. Ajayan, The formation and self-compression of carbon onions, Chemical Physics Letters 269, 349 (1997)
  • F. Banhart, The transformation of graphitic onions to diamond under electron irradiation, Journal of Applied Physics 81, 3440 (1997)
  • M. Zaiser and F. Banhart, Radiation-induced transformation of graphite to diamond, Physical Review Letters 79, 3680 (1997)
  • F. Banhart and P.M. Ajayan, Carbon onions as nanoscopic pressure cells for diamond formation, Nature 382, 433 (1996)