activity
20122024
most citedPicosecond photoresponse in van der Waals heterostructures

612 citations · 1.4k across the 12 of their papers we have counts for

collaborators

12 papers

cond-mat.mes-hall2024★ 22 cited

Ultrafast nano generation of acoustic waves in water via a single carbon nanotube

Michele Diego, Marco Gandolfi, Alessandro Casto +9

Generation of ultra high frequency acoustic waves in water is key to nano resolution sensing, acoustic imaging and theranostics. In this context water immersed carbon nanotubes (CN…

cond-mat.mes-hall2024★ 10 cited

Tuning photoacoustics with nanotransducers via Thermal Boundary Resistance and Laser Pulse Duration

Michele Diego, Marco Gandolfi, Stefano Giordano +6

The photoacoustic effect in liquids, generated by metal nanoparticles excited with short laser pulses, offers high contrast imaging and promising medical treatment techniques. Unde…

cond-mat.mes-hall2019★ 21 cited

Tuning of impurity-bound interlayer complexes in a van der Waals heterobilayer

Fabien Vialla, Mark Danovich, David A. Ruiz-Tijerina +10

Due to their unique two-dimensional nature, charge carriers in semiconducting transition metal dichalcogenides (TMDs) exhibit strong unscreened Coulomb interactions and sensitivity…

cond-mat.mes-hall2018★ 97 cited

Nano-imaging of intersubband transitions in van der Waals quantum wells

Peter Schmidt, Fabien Vialla, Simone Latini +11

The science and applications of electronics and optoelectronics have been driven for decades by progress in growth of semiconducting heterostructures. Many applications in the infr…

cond-mat.mes-hall2018★ 11 cited

Onset of optical-phonon cooling in multilayer graphene revealed by RF noise and black-body radiation thermometries

D. Brunel, S. Berthou, R. Parret +8

We report on electron cooling power measurements in few-layer graphene excited by Joule heating by means of a new setup combining electrical and optical probes of the electron and…

cond-mat.mes-hall2018★ 185 cited

Dissociation of two-dimensional excitons in monolayer WSe2

Mathieu Massicotte, Fabien Vialla, Peter Schmidt +11

Two-dimensional (2D) semiconducting materials are promising building blocks for optoelectronic applications, many of which require efficient dissociation of excitons into free elec…

cond-mat.mes-hall2016★ 259 cited

Photo-thermionic effect in vertical graphene heterostructures

Mathieu Massicotte, Peter Schmidt, Fabien Vialla +4

Finding alternative optoelectronic mechanisms that overcome the limitations of conventional semiconductor devices is paramount for detecting and harvesting low-energy photons. A hi…

cond-mat.mes-hall2015★ 612 cited

Picosecond photoresponse in van der Waals heterostructures

Mathieu Massicotte, Peter Schmidt, Fabien Vialla +6

Two-dimensional (2D) crystals, such as graphene and transition metal dichalcogenides (TMDs), present a collection of unique and complementary optoelectronic properties. Assembling…

cond-mat.mes-hall2015★ 15 cited

Strong reduction of exciton-phonon coupling in high crystalline quality single-wall carbon nanotubes: a new insight into broadening mechanisms and exciton localization

V. Ardizzone, Y. Chassagneux, F. Vialla +8

Carbon nanotubes are quantum sources whose emission can be tuned at telecommunication wavelengths by choosing the diameter appropriately. Most applications require the smallest pos…

cond-mat.mes-hall2014★ 9 cited

Universal non-resonant absorption in carbon nanotubes

Fabien Vialla, Ermin Malic, Benjamin Langlois +6

Photoluminescence excitation measurements in semi-conducting carbon nanotubes show a systematic non-resonant contribution between the well known excitonic resonances. Using a globa…

cond-mat.mes-hall2013★ 51 cited

Chirality dependence of the absorption cross-section of carbon nanotubes

Fabien Vialla, Cyrielle Roquelet, Benjamin Langlois +7

The variation of the optical absorption of carbon nanotubes with their geometry has been a long standing question at the heart of both metrological and applicative issues, in parti…

cond-mat.mes-hall2012★ 148 cited

Hot electron cooling by acoustic phonons in graphene

A. C. Betz, F. Vialla, D. Brunel +8

We have investigated the energy loss of hot electrons in metallic graphene by means of GHz noise thermometry at liquid helium temperature. We observe the electronic temperature T /…