411 citations · 2.3k across the 56 of their papers we have counts for
16 papers · 1 filter
Pump-driven opto-magnetic properties in semiconducting transition-metal dichalcogenides: an analytical model
Habib Rostami, Federico Cilento, Emmanuele Cappelluti
Single-layer transition-metal dichalcogenides provide an unique intrinsic entanglement between the spin/valley/orbital degrees of freedom and the polarization of scattered photons.…
Unveiling exciton formation: exploring the early stages in time, energy and momentum domain
Valentina Gosetti, Jorge Cervantes-Villanueva, Selene Mor +9
Resolving the early-stage dynamics of exciton formation following non-resonant photoexcitation in time, energy, and momentum is quite challenging due to their inherently fast times…
Impact of a monolayer on the nanoscale thermoelastic response of silicon heterostructures
Davide Soranzio, Denny Puntel, Manuel Tuniz +18
Understanding the thermoelastic response of a nanostructure is crucial for the choice of materials and interfaces in electronic devices with improved and tailored transport propert…
Sub-nanosecond free carrier recombination in an indirectly excited quantum-well heterostructure
Michele Perlangeli, Francesco Proietto, Fulvio Parmigiani +1
Nanometer-thick quantum-well structures are quantum model systems offering a few discrete unoccupied energy states that can be impulsively filled and that relax back to equilibrium…
Van der Waals engineering of ultrafast carrier dynamics in magnetic heterostructures
Paulina Majchrzak, Yuntian Liu, Klara Volckaert +10
Heterostructures composed of the intrinsic magnetic topological insulator MnBiTe and its non-magnetic counterpart BiTe host distinct surface electronic band structu…
Ultrafast dynamics in (TaSe)I triggered by valence and core-level excitation
Wibke Bronsch, Manuel Tuniz, Giuseppe Crupi +16
In this work, we study the out-of-equilibrium dynamics of the paradigmatic quasi-one-dimensional material (TaSe)I, that exhibits a transition into an incommensurate CDW pha…
Polarization-resolved broadband time-resolved optical spectroscopy for complex materials: application to the case of MoTe polytypes
Michele Perlangeli, Simone Peli, Davide Soranzio +3
Time-resolved optical spectroscopy (TR-OS) has emerged as a fundamental spectroscopic tool for probing complex materials, to both investigate ground-state-related properties and tr…
Ultrafast broadband optical spectroscopy for quantifying subpicometric coherent atomic displacements in
Davide Soranzio, Maria Peressi, Robert J. Cava +2
Here we show how time-resolved broadband optical spectroscopy can be used to quantify, with femtometer resolution, the oscillation amplitudes of coherent phonons through a displaci…
Electronic properties of type-II Weyl semimetal WTe. A review perspective
P. K. Das, D. Di Sante, F. Cilento +17
Currently, there is a flurry of research interest on materials with an unconventional electronic structure, and we have already seen significant progress in their understanding and…
Evidence for a Strong Topological Insulator Phase in
G. Manzoni, L. Gragnaniello, G. Autès +16
The complex electronic properties of have recently stimulated in-depth investigations that assigned this material to either a topological insulator or a 3D Dirac…
Insights into ultrafast Ge-Te bond dynamics in a phase-change superlattice
Marco Malvestuto, Antonio Caretta, Barbara Casarin +8
A long-standing question for avant-grade data storage technology concerns the nature of the ultrafast photoinduced phase transformations in the wide class of chalcogenide phase-cha…
Ultrafast Optical Control of the Electronic Properties of
G. Manzoni, A. Sterzi, A. Crepaldi +8
We report on the temperature dependence of the electronic properties, studied at equilibrium and out of equilibrium, by means of time and angle resolved photoelectron spec…
Tunable Carrier Multiplication and Cooling in Graphene
Jens C. Johannsen, Søren Ulstrup, Alberto Crepaldi +13
Time- and angle-resolved photoemission measurements on two doped graphene samples displaying different doping levels reveal remarkable differences in the ultrafast dynamics of the…
The momentum and photon energy dependence of the circular dichroic photoemission in the bulk Rashba semiconductors BiTeX (X = I, Br, Cl)
A. Crepaldi, F. Cilento, M. Zacchigna +14
Bulk Rashba systems BiTeX (X = I, Br, Cl) are emerging as important candidates for developing spintronics devices, because of the coexistence of spin-split bulk and surface states,…
Momentum resolved spin dynamics of bulk and surface excited states in the topological insulator
C. Cacho, A. Crepaldi, M. Battiato +16
The prospective of optically inducing a spin polarized current for spintronic devices has generated a vast interest in the out-of-equilibrium electronic and spin structure of topol…
Thermo-mechanical behavior of surface acoustic waves in ordered arrays of nanodisks studied by near infrared pump-probe diffraction experiments
C. Giannetti, B. Revaz, F. Banfi +10
The ultrafast thermal and mechanical dynamics of a two-dimensional lattice of metallic nano-disks has been studied by near infrared pump-probe diffraction measurements, over a temp…