- Twistronics:
Two-dimensional materials (2DMs) can be assembled in artificial stacks held together by van der Waals forces. Controlling the relative crystallographic orientation of individual atomic layers in the stack (so-called twist angle) adds a powerful tuning knob for the electronic properties. I’m interested in engineering twisted 2DMs heterostructures and study their properties via low temperature electrical (magneto)transport experiments on high-mobility field-effect devices.
- 2DMs-superconductor hybrids:
Superconductivity can be induced in normal (i.e. non-superconducting) materials via the proximity effect. Under appropriate choice of the normal material, exotic superconducting phases might emerge. I’m interested in coupling 2DMs-stacks with superconducting electrodes to realize hybrid field-effect devices working in high magnetic fields.
A. Boschi, Z. M. Gebeyehu, S. Slizovskiy, V. Mišeikis, S. Forti, A. Rossi, K. Watanabe, T. Taniguchi, F. Beltram, V. I. Fal'ko, C. Coletti, and S. Pezzini. Built-in Bernal gap in large-angle-twisted monolayer-bilayer graphene. Commun Phys 7, 391 (2024)
D. Vaquero, V. Clericò, M. Schmitz, J. A. Delgado-Notario, A. Martín-Ramos, J. Salvador-Sánchez, C. S. A. Müller, K. Rubi, K. Watanabe, T. Taniguchi, B. Beschoten, C. Stampfer, E. Diez, M. I. Katsnelson, U. Zeitler, S. Wiedmann, and S. Pezzini. Phonon-mediated room-temperature quantum Hall transport in graphene, Nat Commun 14, 318 (2023)
G. Piccinini, V. Mišeikis, P. Novelli, K. Watanabe, T. Taniguchi, M. Polini, C. Coletti, and S. Pezzini. Moiré-Induced transport in CVD-based small-angle twisted bilayer graphene, Nano Lett 22, 5252 (2022)
G. Piccinini, V. Mišeikis, K. Watanabe, T. Taniguchi, C. Coletti, and S. Pezzini. Parallel transport and layer-resolved thermodynamic measurements in twisted bilayer graphene, PRB 104, L241410 (2021)
S. Pezzini, V. Mišeikis, S. Pace, F. Rossella, K. Watanabe, T. Taniguchi, and C. Coletti. High-quality electrical transport using scalable CVD graphene, 2D Mater 7, 041003 (2020)
S. Pezzini, V. Miseikis, G. Piccinini, S. Forti, S. Pace, R. Engelke, F. Rossella, K. Watanabe, T. Taniguchi, P. Kim, and C. Coletti. 30°-twisted bilayer graphene quasicrystals from chemical vapor deposition, Nano Lett 20, 3313 (2020)
S. Pezzini, M. van Delft, L. Schoop, B. Lotsch, A. Carrington, M. I. Katsnelson, N. E. Hussey, and S. Wiedmann. Unconventional mass enhancement around the Dirac nodal loop in ZrSiS, Nat Phys 14, 178 (2018)
J. R. Wallbank, D. Ghazaryan, A. Misra, Y. Cao, J. S. Tu, B. A. Piot, M. Potemski, S. Pezzini, S. Wiedmann, U. Zeitler, T. L. M. Lane, S. V. Morozov, M. T. Greenaway, L. Eaves, A. K. Geim, V. I. Fal'ko, K. S. Novoselov, and A. Mishchenko. Tuning the valley and chiral quantum state of Dirac electrons in van der Waals heterostructures, Science 353, 575 (2016)
D. Wong, Y. Wang, J. Jung, S. Pezzini, A. DaSilva, H-Z Tsai, H. S. Jung, R. Khajeh, Y. Kim, J. Lee, S. Kahn, S. Tollabimazraehno, H. Rasool, K. Watanabe, T. Taniguchi, A. Zettl, S. Adam, A. H. MacDonald, and M. F. Crommie. Local spectroscopy of moiré-induced electronic structure in gate-tunable twisted bilayer graphene, PRB 92, 155409 (2015)
Istituto Nanoscienze
Consiglio Nazionale delle Ricerche
PEC: protocollo.nano@pec.cnr.it
Partita IVA 02118311006
Piazza San Silvestro 12
56127 Pisa, Italy
phone +39 050 509418
fax +39 050 509550
Istituto Nanoscienze Consiglio Nazionale delle Ricerche
Piazza San Silvestro 12, I
56127 Pisa
phone +39 050 509525/418
fax +39 050 509550
via Campi 213/A, I
41125 Modena 7
phone +39 059 2055629
fax +39 059 2055651″
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