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Multi-messenger nano-probes of hidden magnetism in a strained manganite
A. S. McLeod, J. Zhang, M. Q. Gu +9
The ground state properties of correlated electron systems can be extraordinarily sensitive to external stimuli, such as temperature, strain, and electromagnetic fields, offering a…
Ultrafast enhancement of ferromagnetic spin exchange induced by ligand-to-metal charge transfer
A. Ron, S. Chaudhary, G. Zhang +6
Directly modifying spin exchange energies in a magnetic material with light can enable ultrafast control of its magnetic states. Current approaches rely on tuning charge hopping am…
Dynamics of a Persistent Insulator-to-Metal Transition in Strained Manganite Films
Samuel W. Teitelbaum, Benjamin K. Ofori-Okai, Yu-Hsiang Cheng +5
Transition metal oxides possess complex free energy surfaces with competing degrees of freedom. Photoexcitation allows shaping of such rich energy landscapes. In epitaxially strain…
Nucleation and growth bottleneck in the conductivity recovery dynamics of nickelate thin films
Elsa Abreu, Derek Meyers, Verner K. Thorsmolle +5
We investigate THz conductivity dynamics in NdNiO and EuNiO thin films following a photoinduced thermal quench into the metallic state and reveal a clear contrast between f…
Photo-enhanced metastable c-axis electrodynamics in stripe ordered cuprate LaBaCuO
Kevin A. Cremin, Jingdi Zhang, Christopher C. Homes +6
Quantum materials are amenable to non-equilibrium manipulation with light, enabling modification and control of macroscopic properties. Light-based augmentation of superconductivit…
Quasiparticle Relaxation Dynamics in URuFeSi Single Crystals
Peter Kissin, Sheng Ran, Dylan Lovinger +5
We investigate quasiparticle relaxation dynamics in URuFeSi single crystals using ultrafast optical-pump optical-probe (OPOP) spectroscopy as a function of temp…