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Anomalous T-dependence of phonon lifetimes in metallic VO2
Carl Willem Rischau, Artem Korshunov, Volodymyr Multian +9
We investigate phonon lifetimes in VO2 single crystals. We do so in the metallic state above the metal-insulator transition (MIT), where strong structural fluctuations are known to…
Coupling of Magnetic Phases at Nickelate Interfaces
C. Domínguez, J. Fowlie, A. B. Georgescu +9
In this work we present a model system built out of artificially layered materials, allowing us to understand the interrelation of magnetic phases with that of the metallic-insulat…
Optical properties of LaNiO3 films tuned from compressive to tensile strain
I. Ardizzone, M. Zingl, J. Teyssier +11
Materials with strong electronic correlations host remarkable -- and technologically relevant -- phenomena such as magnetism, superconductivity and metal-insulator transitions. Har…
Probing photo-induced rearrangements in the NdNiO magnetic spiral with polarization-sensitive ultrafast resonant soft x-ray scattering
K. R. Beyerlein, A. S. Disa, M Först +10
We use resonant soft X-ray diffraction to track the photo-induced dynamics of the antiferromagnetic structure in a NdNiO thin film. Femtosecond laser pulses with a photon ene…
Scale-invariant magnetic textures in the strongly correlated oxide NdNiO
Jiarui Li, Jonathan Pelliciari, Claudio Mazzoli +9
Strongly correlated quantum solids are characterized by an inherently granular electronic fabric, with spatial patterns that can span multiple length scales in proximity to a criti…
High sensitivity variable-temperature infrared nanoscopy of conducting oxide interfaces
Weiwei Luo, Margherita Boselli, Jean-Marie Poumirol +6
Probing the local transport properties of two-dimensional electron systems (2DES) confined at buried interfaces requires a non-invasive technique with a high spatial resolution ope…