38 citations · 89 across the 11 of their papers we have counts for
11 papers
Ultra-high THz-field-confinement at LaAlO3 twin walls
Jakob Wetzel, Javier Taboada-Gutiérrez, Matthias Roeper +13
The control and steering of light at nanometre length scales is crucial for the development of both fundamental science and nanophotonic technologies. Recent advancements have been…
Single acquisition reconstruction of nonlinear susceptibility and Raman tensors at the diffraction limit
Volodymyr Multian, Luigi Bonacina, Jérémie Teyssier
Raman spectroscopy and Second Harmonic Generation (SHG) are complementary, non-destructive techniques that provide rich and distinct insights into the structural and electronic pro…
Edge polaritons at metal-insulator boundaries in a phase separated correlated oxide
Weiwei Luo, Adrien Bercher, Claribel Dominguez +4
Correlated transition metal oxides, such as cuprates, nickelates, and manganites, are typically considered "bad metals", where high electromagnetic losses suppress the conventional…
Non-Fermi liquid quasiparticles in strain-tuned Sr2RuO4
A. Hunter, C. Putzke, F. B. Kugler +23
Interacting electrons can form metallic states beyond the Fermi liquid paradigm, a conceptual frontier of many-body physics mainly explored via bulk thermodynamics and transport. I…
Unveiling the Mechanism of Phonon-Polariton Damping in α-MoO_3
Javier Taboada-Gutiérrez, Yixi Zhou, Ana I. F. Tresguerres-Mata +14
Phonon polaritons (PhPs) (light coupled to lattice vibrations) in the highly anisotropic polar layered material molybdenum trioxide (α-MoO_3) are currently the focus of intense res…
Brightened Optical Transition as Indicator of Multiferroicity in a Layered Antiferromagnet
Volodymyr Multian, Fan Wu, Dirk van der Marel +2
Two-dimensional van der Waals magnets show strong interconnection between their electrical, magnetic, and structural properties. Here we reveal the emergence of a luminescent trans…
Highly confined epsilon-near-zero- and surface-phonon polaritons in SrTiO3 membranes
Ruijuan Xu, Iris Crassee, Hans A. Bechtel +13
Recent theoretical studies have suggested that transition metal perovskite oxide membranes can enable surface phonon polaritons in the infrared range with low loss and much stronge…
Thermal and electrostatic tuning of surface phonon-polaritons in LaAlO3/SrTiO3 heterostructures
Yixi Zhou, Adrien Waelchli, Margherita Boselli +12
Phonon polaritons are promising for infrared applications due to a strong light-matter coupling and subwavelength energy confinement they offer. Yet, the spectral narrowness of the…
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…
Optical evidence for heavy charge carriers in FeGe
V. Guritanu, D. van der Marel, J. Teyssier +4
The optical spectrum of the cubic helimagnetic metal FeGe has been investigated in the frequency range from 0.01 - 3.1 eV for different temperatures from 30 K to 296 K. The optical…
Optical properties and electronic structure of ZrB
J. Teyssier, A. B. Kuzmenko, D. van der Marel +4
We report optical (6 meV - 4 eV) properties of a boride superconductor ZrB ( = 6 K) in the normal state from 20 to 300 K measured on high-quality single crystals by a c…