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- Centre National de la Recherche ScientifiqueFR152 papers
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8 papers · 2 filters
Direct Observation of Propagating Gigahertz Coherent Guided Acoustic Phonons in Free Standing Single Copper Nanowires
Cyril Jean, Laurent Belliard, Thomas W. Cornelius +5
We report on gigahertz acoustic phonon waveguiding in free-standing single copper nanowires studied by femtosecond transient reflectivity measurements. The results are discussed on…
Correlations between charge and heat currents in an interacting quantum dot
Adeline Crépieux, Paul Eyméoud, Fabienne Michelini
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…
Heat-charge mixed noise and thermoelectric efficiency fluctuations
A. Crépieux, F. Michelini
The close relationship between the noise and the thermoelectric conversion is studied in a quantum dot using a quantum approach based on the non-equilibrium Green function techniqu…
Time-dependent thermoelectric transport for nanoscale thermal machines
A. -M. Daré, P. Lombardo
We analyze an electronic nanoscale thermal machine driven by time-dependent environment: besides bias and gate voltage variations, we consider also the less prevailing time modulat…
Anomalous quantum Hall effect induced by disorder in topological insulators
Laurent Raymond, Alberto D. Verga, Arnaud Demion
We investigate a transition between a two-dimensional topological insulator conduction state, characterized by a conductance (in fundamental units ) and a Chern insula…
Influence of Molecular Organization on the Electrical Characteristics of π-conjugated Self-assembled Monolayers
Xavier Lefevre, Fabrice Moggia, Olivier Segut +10
Two new thiol compounds with σ-π-σ structure were synthesized and self-assembled on gold substrates. The morphology and the structural characterization of SAMs assessed by infrared…