333 citations · 1.1k across the 22 of their papers we have counts for
22 papers
Non-equilibrium dynamics of spin-lattice coupling
Hiroki Ueda, Roman Mankowsky, Eugenio Paris +18
Interactions between the different degrees of freedom form the basis of many manifestations of intriguing physics in condensed matter. In this respect, quantifying the dynamics of…
Impact ionization in low-band-gap semiconductors driven by ultrafast THz excitation: beyond the ballistic regime
Simone Biasco, Florence Burri, Sarah Houver +3
Using two-dimensional THz spectroscopy in combination with numerical models, we investigate the dynamics linked to carrier multiplication caused by high-field THz excitation of the…
Solid-State Biased Coherent Detection of Ultra-Broadband Terahertz Pulses for high repetition rate, low pulse energy lasers
Tim Suter, Alessandro Tomasino, Matteo Savoini +3
We report the coherent generation and detection of terahertz (THz) pulses covering the bandwidth of 0.1-9 THz in a high repetition rate, low pulse energy laser system. In this work…
Photoinduced structural dynamics of multiferroic TbMnO
Elsa Abreu, Matteo Savoini, Larissa Boie +17
We use time-resolved hard x-ray diffraction to investigate the structural dynamics of the multiferroic insulator TbMnO in the low temperature antiferromagnetic and ferroelectri…
Optical excitation of electromagnons in hexaferrite
Hiroki Ueda, Hoyoung Jang, Sae Hwan Chun +11
Understanding ultrafast magnetization dynamics on the microscopic level is of strong current interest due to the potential for applications in information storage. In recent years,…
Nonequilibrium Charge-Density-Wave Order Beyond the Thermal Limit
J. Maklar, Y. W. Windsor, C. W. Nicholson +17
The interaction of many-body systems with intense light pulses may lead to novel emergent phenomena far from equilibrium. Recent discoveries, such as the optical enhancement of the…
Comparison of coherent phonon generation by electronic and ionic Raman scattering in LaAlO
Martin J. Neugebauer, Dominik M. Juraschek, Matteo Savoini +5
In ionic Raman scattering, infrared-active phonons mediate a scattering process that results in the creation or destruction of a Raman-active phonon. This mechanism relies on nonli…
Ultrafast modulation of covalency in GeTe driven by a ferroelectric soft mode
Bulat Burganov, Vladimir Ovuka, Matteo Savoini +4
The general idea of using ultrashort light pulses to control ferroic order parameters has recently attracted attention as a means to achieve control over material properties on unp…
Optical control of vibrational coherence triggered by an ultrafast phase transition
M. J. Neugebauer, T. Huber, M. Savoini +13
Femtosecond time-resolved x-ray diffraction is employed to study the dynamics of the periodic lattice distortion (PLD) associated with the charge-density-wave (CDW) in K0.3MoO3. Us…
Ultrafast relaxation dynamics of the antiferrodistortive phase in Ca doped SrTiO3
M. Porer, M. Fechner, E. Bothschafter +19
The ultrafast dynamics of the octahedral rotation in Ca:SrTiO3 is studied by time resolved x-ray diffraction after photo excitation over the band gap. By monitoring the diffraction…
The Ultrafast Einstein-De Haas Effect
Christian Dornes, Yves Acremann, Matteo Savoini +20
The original observation of the Einstein-de Haas effect was a landmark experiment in the early history of modern physics that illustrates the relationship between magnetism and ang…
The photoinduced transition in magnetoresistive manganites: a comprehensive view
V. Esposito, L. Rettig, E. Abreu +12
We use femtosecond x-ray diffraction to study the structural response of charge and orbitally ordered PrCaMnO thin films across a phase transition induced by 800 nm…
Domain size effects on the dynamics of a charge density wave in 1T-TaS2
G. Lantz, C. Laulhé, S. Ravy +11
Recent experiments have shown that the high temperature incommensurate (I) charge density wave (CDW) phase of 1T-TaS2 can be photoinduced from the lower temperature, nearly commens…
Coupling between a charge density wave and magnetism in an Heusler material
G. Lantz, M. J. Neugebauer, M. Kubli +10
The Prototypical magnetic memory shape alloy NiMnGa undergoes various phase transitions as a function of temperature, pressure, and doping. In the low-temperature phases below…
Watching the birth of a charge density wave order: diffraction study on nanometer-and picosecond-scales
C. Laulhé, T. Huber, G. Lantz +18
Femtosecond time-resolved X-ray diffraction is used to study a photo-induced phase transition between two charge density wave (CDW) states in 1T-TaS, namely the nearly commensu…
Magnetic switching in granular FePt layers promoted by near-field laser enhancement
Patrick W. Granitzka, Emmanuelle Jal, Loïc Le Guyader +20
Light-matter interaction at the nanoscale in magnetic materials is a topic of intense research in view of potential applications in next-generation high-density magnetic recording.…
All-optical magnetization switching in ferrimagnetic alloys: deterministic vs thermally activated dynamics
L. Le Guyader, S. El Moussaoui, M. Buzzi +7
Using photo-emission electron microscopy with X-ray magnetic circular dichroism as a contrast mechanism, new insights into the all-optical magnetization switching (AOS) phenomenon…
Nanoscale confinement of all-optical switching in TbFeCo using plasmonic antennas
TianMin Liu, Tianhan Wang, Alexander H. Reid +17
All-optical switching (AOS) of magnetic domains by femtosecond laser pulses was first observed in the transition metal-rare earth (TM-RE) alloy GdFeCo1-5; this phenomenon demonstra…
Sub-diffraction sub-100 ps all-optical magnetic switching by passive wavefront shaping
L. Le Guyader, M. Savoini, S. El Moussaoui +7
The recently discovered magnetization reversal driven solely by a femtosecond laser pulse has been shown to be a promising way to record information at record breaking speeds. Seek…
Laser-Induced Magnetic Nanostructures with Tunable Topological Properties
M. Finazzi, M. Savoini, A. R. Khorsand +6
We report the creation and real-space observation of magnetic structures with well-defined topological properties and a lateral size as low as about 150 nm. They are generated in a…
Optical energy optimization at the nanoscale by near-field interference
Benny Koene, Matteo Savoini, Alexey V. Kimel +2
Employing plasmonic antennas for subdiffraction focusing of light on recording media requires to take into account the complete structure of the medium, including dielectric cover…
All optical sub diffraction multilevel data encoding onto azo polymeric thin films
Matteo Savoini, Paolo Biagioni, Lamberto Duo' +1
By exploiting photo-induced reorientation in azo-polymer thin films, we demonstrate all-optical polarization-encoded information storage with a scanning near-field optical microsco…