Programme
Discussion Lavoisier :
“Nouveaux Matériaux bi-dimensionnels: dichalcogénures de métaux de transition, nitrure de bore…”
(INSA de Toulouse, Amphi Fourier)
24 Septembre 2015
9h Enregistrement
9h20 Ouverture
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Session: Nitrure de Bore
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9h30-10h10
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Invité : Single layer Boron Nitride on Rhodium: From Nanomesh to Nanotents
Thomas Greber
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10h10-10h30
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Nanometric Resolved Cathodoluminescence on Few-Layer h-BN Flakes
A. Zobelli, R. Bourrellier, A. Tararan, M. Amato, S. Meuret, L.H.G. Tizei, C. Giorgetti, A. Gloter, M.I. Heggie, K. March, O. Stephan, L. Reining, and M. Kociak
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10h30-10h50
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Pause
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Session: Propriétés optiques - BN et
dichalcogénures de métaux de transition
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10h50-11h10
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Luminescence of h-BN layers and excitons
L. Schue, A. Pierret, F. Fossard, F. Ducastelle, J. Barjon, A. Loiseau
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11h10-11h30
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Optical Properties of Hexagonal Boron Nitride
Guillaume Cassabois, Pierre Valvin and Bernard Gil
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11h30-11h50
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Excitonic properties of monolayer transition metal dichalcogenides
G. Wang, D. Lagarde, L. Bouet, M. Vidal, A. Balocchi, I. Gerber, T. Amand, X. Marie & B. Urbaszek
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11h50-12h10
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From bulk to monolayer: Optical spectroscopy of N-layer molybdenum ditelluride MoTe2
G. Froehlicher, E. Lorchat, F. Fernique, and S. Berciaud
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12h10–14h00
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Repas
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Session: Modélisation
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14h00-14h40
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Invité : Excitons and Phonons in multi-layers of MoS2 and hBN: dependence on the number of layers
Ludger Wirtz
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14h40-15h00
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Theoretical probing of excitonic effects in transition dichalcogenides monolayers: a true numerical experience
I. C. Gerber, G. Wang, B. Urbaszek, T. Amand, X. Marie
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15h00-15h20
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Plasmon and exciton dispersion in two dimensions
Pier Luigi Cudazzo
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15h20-15h30
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Mini-Pause
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15h30-15h50
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Friction of Water on Graphene and Hexagonal Boron Nitride from Ab Initio Methods: Very Different Slippage Despite Very Similar Interface Structures
L. Joly, G. Tocci and . Michaelides
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15h50-16h10
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Temperature effects on the optical properties of single-layer MoS2
A. Molina-Sánchez, M. Palummo, A. Marini, L. Wirtz
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16h10-16h20
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Electronic structure of the Co(0001)/MoS2 interface from first principles investigations
T. Garandel, R. Arras, X. Marie, P. Renucci and L. Calmels
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16h20-16h40
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Pause
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Session: Propriétés de Vallée et Magnéto-optique
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16h40-17h00
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Valley dynamics in monolayer WSe2, MoSe2 and MoS2 : Impact of Coulomb exchange and applied magnetic fields
G. Wang, L. Bouet, D. Lagarde, A. Balocchi, T. Amand, B. Urbaszek, and
X. Marie
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17h00-17h20
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Orbital and valley contribution to the energy spectra of transition metal dichalcogenides in high magnetic fields
A. A. Mitioglu, L. Kolopotowski, A. Granados del Aguila, P. C. M. Christianen, G. Deligeorgis, S. Anghel, L. Kulyuk, D. K. Maude and
P. Plochocka
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17h20-18h40
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Table ronde
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20h30
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Dîner en ville
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25 Septembre 2015
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Session: Dispositifs
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9h00-9h40
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Invité : Epitaxial Growth, RF Transistors And Piezoresistive Effect In MoS2
Adrien Allain
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9h40-10h00
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Photocarriers dynamics in Gr/TMD/Gr heterostructures : schemes for fast and efficient photodetection
F. Vialla, M. Massicotte, P. Schmidt, K.J. Tielrooij, F.H.L. Koppens
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10h00-10h20
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Pause
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Session: Synthèse et nouveaux matériaux
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10h20-10h40
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Synthèse de nano-feuillets de nitrure de bore hexagonal
F. Gombault, C. Journet, S. Yuan, S. Linas, V. Garnier, P. Steyer, A.Brioude, B. Toury
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10h40-11h00
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Spin-orbit engineering in transition metal dichalcogenide alloy monolayers
C. Robert, G. Wang, A. Suslu, B. Chen, S. Yanf, S. Alamdari, I.C. Gerber,
T. Amand, X. Marie, S. Tongay and B. Urbaszek
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Session: Phonons et propriétés vibratoires
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11h00-11h20
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Low dissipative mechanical resonators based on WSe2 monolayers
A. Reserbat-Plantey, N. Morell, I. Tsioutsios, K. G. Schädler, F. Dubin, F. H.L. Koppens, A. Bachtold
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11h20-11h40
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Plexitons mediated Raman scattering in hybrid MoSe2@Au nanosheets
I. Abid, A. Bouhloul, S. Najmaei, R. Péchou, A. Mlayah and Jun Lou
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11h40-12h00
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Double resonant Raman scattering and valley coherence generation in monolayer WSe2
G. Wang, M. M. Glazov, C. Robert, T. Amand, X. Marie and B. Urbaszek
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12h00-14h00
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Repas
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Session: Propriétés structurales et électroniques
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14h00-14h20
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Propriétés électroniques locales de (mono)feuillets de WSe2 sondées par microscopie et spectroscopie tunnel
V. Cherkez, P. Mallet & J.Y. Veuillen
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14h20-14h40
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Probing interfaces and defects in dichalcogenides and h-BN
L. H. G. Tizei, Y.-C. Li, O. Cretu, Z. Liu, M. Mukai, H. Sawada, M. Koshino, A.-Y Lu, L.-J. Li, K. Kimoto, K. Suenaga
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14h40-15h00
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Low Loss and Core Loss Angular Resolved EELS in 2D-materials
F. Fossard, E. Gaufrès, L. Schué, A. Andrieux-Ledier, F. Ducastelle, A. Loiseau
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15h00-15h20
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Confinement effect in Black Phosphorus spectroscopy
E. Gaufrès, A. Favron, F. Fossard, P.L. Lévesque, A.L. Phaneuf,
S. Francoeur, R. Martel and A. Loiseau
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15h20-15h30
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Clôture
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Posters
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P1
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Two-dimensional phase transformation materials
J. Coraux, V. Bouchiat, N. Bendiab, P. Pochet, I. Duchemin, E. Hadji,
H. Okuno, M. Sicot, B. Kierren, Y. Fagot-Revurat, D. Malterre
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P2
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Low Pressure CVD synthesis and characterization of hexagonal Boron Nitride on Nickel foil
A. Andrieux-Ledier, N. Dorval, F. Fossard, L. Schué, P. Lavenus and A. Loiseau
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