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Ruello, Pascal

Ruello, Pascal

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Pascal Ruello, Professor  of Physics,

(born march 6th 1973),

Université du Maine-CNRS UMR 6283, France 

Institut des Molécules et Matériaux du Mans


Research Topics :

Solid State Physics : Ultrafast phenomena in Condensed Matter, electron-phonon coupling, semiconductor physics, phase transition in correlated compounds, phonons in nanostructures.


Main collaborators :

-       Univ. Maine, France : Pr. V. Gusev, Dr. G. Vaudel, Dr. T Pezeril, Dr. V. Temnov

-       Ecole Centrale Paris : Dr. B. Dkhil, I.-C. Infante

-       Univ. Silesia, Poland : Pr. J. Szade.

-       Univ. Pierre et Marie Curie Paris, France : Dr. B. Perrin.


- Publications.

peer-reviewed articles.


Some recent selected papers :

 M. Weis,  B. Wilk, G. Vaudel, K. Balin, R. Rapacz, A. Bulou, B. Arnaud, J. Szade & P. Ruello, Quantum size effect on charges and phonons ultrafast dynamics in atomically controlled nanolayers of topological insulators Bi2Te3, Scientific Reports 7, Article number: 13782(2017), doi:10.1038/s41598-017-12920-4

Jeremy Avice, Christophe Boscher, Gwenaelle Vaudel, Guillaume Brotons, Vincent Juvé, Mathieu Edely, Christophe Méthivier, Vitalyi E Gusev, Philippe Belleville, Herve Piombini, Pascal Ruello, Controlling the Nanocontact Nature and the Mechanical Properties of a Silica Nanoparticle Assembly, The Journal of Physical Chemistry C 121 (42), 23769-23776 (2017) DOI:10.1021/acs.jpcc.7b08404


T Parpiiev, M Servol, M Lorenc, I Chaban, R Lefort, E Collet, H Cailleau, P Ruello, N Daro, G Chastanet, T Pezeril Publisher's Note:“Ultrafast non-thermal laser excitation of gigahertz longitudinal and shear acoustic waves in spin-crossover molecular crystals [Fe (PM–AzA) 2 (NC...Applied Physics Letters 111 (17), 179901 (2017)

T Parpiiev, M Servol, M Lorenc, I Chaban, R Lefort, E Collet, H Cailleau, P Ruello, N Daro, G Chastanet, T Pezeril, Ultrafast non-thermal laser excitation of gigahertz longitudinal and shear acoustic waves in spin-crossover molecular crystals [Fe (PM–AzA) 2 (NCS) 2], Applied Physics Letters 111 (15), 151901 (2017)

Plasmonics: Photothermal optomechanics P Ruello Nature Photonics 10 (11), 692-693 (2016).

Ultrafast acousto-optic mode conversion in optically birefringent ferroelectrics Mariusz Lejman, Gwenaelle Vaudel, Ingrid C Infante, Ievgeniia Chaban, Thomas Pezeril, Mathieu Edely, Guillaume F Nataf, Mael Guennou, Jens Kreisel, Vitalyi E Gusev, Brahim Dkhil, Pascal Ruello, Nature communications 7 5 (2016)

Nanophononics: state of the art and perspectives S Volz, J Ordonez-Miranda, A Shchepetov, M Prunnila, J Ahopelto, et al The European Physical Journal B 89 (1), 15 32 (2016)

Ultrafast acousto-plasmonics in gold nanoparticle superlattices P Ruello, A Ayouch, G Vaudel, T Pezeril, N Delorme, S Sato, K Kimura, V. Gusev. Physical Review B 92 (17), 174304 (2015).

Ultrafast light-induced coherent optical and acoustic phonons in few quintuple layers of the topological insulator Bi2Te3, M. Weis, K. Balin, R. Rapacz, A. Nowak ; M. Lejman, J. Szade, P. Ruello, Phys. Rev. B.92, 014301 (2015)

Physical Mechanism of generation of coherent acoustic phonons by ultrafast laser action, P. Ruello, V. Gusev, Ultrasonics, Invited Review Paper, 56, 21-35 (2015).

Giant ultrafast photo-induced shear strain in ferroelectric BiFeO3, Lejman, Mariusz; Vaudel, Gwenaelle; Infante, Ingrid C., Gemeiner, Pascale, Gusev, V., Dkhil, B., Ruello, Pascal. Nature Comm,  5, 4301 (2014).

Laser generation of hypersound by a terahertz photo-Dember electric field in a piezoelectric GaAssemiconductor, G Vaudel, T Pezeril, A Lomonosov, M Lejman, P Ruello, V Gusev, Phys. Rev. B 90 (1), 014302 (2014)

Ultrafast optical detection of coherent acoustic phonons emission driven by superdiffusive hot electrons, M. Lejman, V. Shalagatskyi, O. Kovalenko, T. Pezeril, V. Temnov, P. Ruello, J. Opt. Soc. Am B, 31 282-2890 (2014)

Elasticity of an Assembly of Disordered Nanoparticles Interacting via either van der Waals – Bonded or Covalent-Bonded Coating Layers. A. Ayouch , X. Dieudonne , G. Vaudel , H. Piombini , K. Valle , V. Gusev , P. Belleville , and P. RuelloACS Nano, 6 (12), pp 10614–10621 (2012)

Photoexcitation of gigahertz longitudinal and shear acoustic waves in BiFeO3 multiferroic single crystal, P. Ruello, T. Pezeril, V. Avanesyan, G. Vaudel, V. Gusev, I.C. Infante, B. Dkhil, Appl. Phys. Lett. 100, 212906 (2012).


Teaching :

-       General Physics (Bachelor): optics, thermodynamics, quantum mechanics, symmetry, tensors.

-       Advanced solid state physics (Master): phonons, electrons, light-matter interaction, ultrafast science.

-       International teaching activities (Master in Poland and in Vietnam) : Ultrafast phenomena in condensed matter


Memberships, nominations, conferences organization

National level

-       Elected member of the CNRS National Committee of Scientific Research (France) for the Condensed Matter division  (2012-2016).

-       Elected Member of the Scientific Council of University of Maine (2012-2016)

International Level

-       Program Committee member of the International Conference SPIE Photonic West (San Francisco, USA, 2016).

-       Program Committee member of the International Conference on Phonons Scattering in Condensed Matter (Nottingham 2015).

-       Workshop organization EUPHONON, sept. 1-4 2014 Le Mans (co-chair D. Donadio, Max-Planck Mainz, )

-       Scientific committee member of EMRS spring Meeting 2014,

-       Scientific committee member International Conference on Photoacoustics and Photothermal Phenomena (ICPPP Conferences 2011-2015),

-       Co-Organization of a special session during the International Congress on Ultrasonics (Gdansk 2011) with  O. Wright and V. Gusev

-       Director of the International Summer School CNRS Son et Lumière 2010 (IESC Cargèse). Organizing Committee: P. Ruello (Univ du Maine), A. Mlayah (Univ Toulouse), C. Sotomayor-Torres (Univ Barcelone), A. Kent (Univ. Nottingham),

-       Member of the French Physical Society since 2005.

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