Zobrazeno 1 - 10
of 87
pro vyhledávání: '"Michelini, Fabienne"'
Autor:
Makhfudz, Imam, Cavassilas, Nicolas, Hajati, Yaser, Esmaielpour, Hamidreza, Michelini, Fabienne
Publikováno v:
Phys. Rev. Applied 19, 044002 (2023)
Carrier thermalization in a superlattice solar cell made of polar semiconductors is studied theoretically by considering a minimal model where electron-phonon scattering is the principal channel of carrier energy loss. Importantly, the effect of an i
Externí odkaz:
http://arxiv.org/abs/2212.03618
Autor:
Makhfudz, Imam, Cavassilas, Nicolas, Giteau, Maxime, Esmaielpour, Hamidreza, Suchet, Daniel, Daré, Anne-Marie, Michelini, Fabienne
Publikováno v:
J. Phys. D: Appl. Phys. (2022)
A theoretical model using electron-phonon scattering rate equations is developed for assessing carrier thermalization under steady-state conditions in two-dimensional systems. The model is applied to investigate the hot carrier effect in III-V hot-ca
Externí odkaz:
http://arxiv.org/abs/2209.13218
Autor:
Galvani, Benoit, Suchet, Daniel, Delamarre, Amaury, Bescond, Marc, Michelini, Fabienne, Lannoo, Michel, Guillemoles, Jean-Francois, Cavassilas, Nicolas
We investigate numerically the impact of the electron-phonon scattering on the optical properties of a perovskite material (CH3NH3PbI3). Using non-equilibrium Green functions formalism, we calculate the local density-of-states for several values of t
Externí odkaz:
http://arxiv.org/abs/1909.08455
Autor:
Cavassilas, Nicolas, Suchet, Daniel, Delamarre, Amaury, Michelini, Fabienne, Bescond, Marc, Okada, Yoshitaka, Sugiyama, Masakazu, Guillemoles, Jean-François
Using the non equilibrium Green functions formalism we propose a study of the electronic excitation and collection in nano-structured intermediate-band solar cell. We demonstrate that a thin tunnel barrier between the nano-objects and the host materi
Externí odkaz:
http://arxiv.org/abs/1802.04212
Akademický článek
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We derive the expressions of photon energy and particle currents inside an open nanosystem interacting with light using non-equilibrium Green's functions. The model allows different temperatures for the electron reservoirs, which basically defines a
Externí odkaz:
http://arxiv.org/abs/1610.05981
Publikováno v:
J. Phys.: Conf. Ser. 592, 012140 (2015)
We consider an interacting quantum dot connected to two reservoirs driven at distinct voltage/temperature and we study the correlations between charge and heat currents first as a function of the applied voltage bias, and second as a function of the
Externí odkaz:
http://arxiv.org/abs/1510.00512
Autor:
Crépieux, Adeline, Michelini, Fabienne
Publikováno v:
J. Phys.: Condens. Matter 27 (2015) 015302
Mixed, charge and heat current fluctuations as well as thermoelectric differential conductances are considered for non-interacting nanosystems connected to reservoirs. Using the Landauer-Buttiker formalism, we derive general expressions for these qua
Externí odkaz:
http://arxiv.org/abs/1403.8035
Publikováno v:
Physical Review B 83, 15 (2011) 153417
We derive formal expressions of time-dependent energy and heat currents through a nanoscopic device using the Keldysh nonequilibrium Green function technique. Numerical results are reported for a metal/dot/metal junction where the dot level energy is
Externí odkaz:
http://arxiv.org/abs/1012.0658
Akademický článek
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