241 citations · 679 across the 20 of their papers we have counts for
20 papers
Interplay between atomic fluctuations and charge density waves in LaSrCuO
L. Shen, V. Esposito, N. G. Burdet +10
In the cuprate superconductors, the spatial coherence of the charge density wave (CDW) state grows rapidly below a characteristic temperature , the nature of which…
A machine learning photon detection algorithm for coherent X-ray ultrafast fluctuation analysis
Sathya R. Chitturi, Nicolas G. Burdet, Youssef Nashed +8
X-ray free electron laser (XFEL) experiments have brought unique capabilities and opened new directions in research, such as creating new states of matter or directly measuring ato…
Melting of magnetic order in by fs laser pulses
Flavio Giorgianni, Max Burian, Namrata Gurung +19
NaOsO has recently attracted significant attention for the strong coupling between its electronic band structure and magnetic ordering. Here, we used time-resolved magnetic X-r…
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…
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…
Structurally assisted melting of excitonic correlations in 1T-TiSe2
Max Burian, Michael Porer, Jose R. L. Mardegan +16
The simultaneous condensation of electronic and structural degrees of freedom gives rise to new states of matter, including superconductivity and charge-density-wave formation. Whe…
Ultrafast electron localization in a correlated metal
Jose R. L. Mardegan, Serhane Zerdane, Giulia Mancini +27
Ultrafast electron delocalization induced by a fs laser pulse is a well-known process and is the initial step for important applications such as fragmentation of molecules or laser…
Strain Wave Pathway to Semiconductor-to-Metal Transition revealed by time resolved X-ray powder diffraction
C. Mariette, M. Lorenc, H. Cailleau +42
Thanks to the remarkable developments of ultrafast science, one of today's challenges is to modify material state by controlling with a light pulse the coherent motions that connec…
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 transient increase of oxygen octahedral rotations in a perovskite
M. Porer, M. Fechner, M. Kubli +13
The ability to control the structure of a crystalline solid on ultrafast timescales bears enormous potential for information storage and manipulation or generating new functional s…
Dynamics of the photoinduced insulator-to-metal transition in a nickelate film
Vincent Esposito, Laurenz Rettig, Elisabeth M. Bothschafter +24
The control of materials properties with light is a promising approach towards the realization of faster and smaller electronic devices. With phases that can be controlled via stra…
Relationship between crystal structure and multiferroic orders in orthorhombic perovskite manganites
Natalya S. Fedorova, Yoav William Windsor, Christoph Findler +13
We use resonant and non-resonant X-ray diffraction measurements in combination with first-principles electronic structure calculations and Monte Carlo simulations to study the rela…
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…
Nonlinear electron-phonon coupling in doped manganites
V. Esposito, R. Mankowsky, M. Fechner +9
We employ time-resolved resonant x-ray diffraction to study the melting of charge order and the associated insulator-metal transition in the doped manganite PrCaMnO…
Understanding polarization vs. charge dynamics effects in ferroelectric-carbon nanotube devices
Cédric Blaser, Vincent Esposito, Patrycja Paruch
To optimize the performance of multifunctional carbon nanotube-ferroelectric devices, it is necessary to understand both the polarization and charge dynamics effects on their trans…