645 citations · 2.1k across the 20 of their papers we have counts for
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Addressing Shape and Extent of Weyl cones in TaAs by Landau level spectroscopy
David Santos-Cottin, Jan Wyzula, Florian Le Mardelé +7
Tantalum arsenide, TaAs, is a prime example of a topological semimetal with two types of Weyl nodes, W1 and W2, whose bulk signatures have proven elusive. We apply Landau level spe…
Magneto-optics of a Weyl semimetal beyond the conical band approximation: the case study of TaP
S. Polatkan, M. O. Goerbig, J. Wyzula +10
Landau-level spectroscopy, the optical analysis of electrons in materials subject to a strong magnetic field, is a versatile probe of the electronic band structure and has been suc…
Two-dimensional conical dispersion in ZrTe5 evidenced by optical spectroscopy
E. Martino, I. Crassee, G. Eguchi +8
Zirconium pentatelluride was recently reported to be a 3D Dirac semimetal, with a single conical band, located at the center of the Brillouin zone. The cone's lack of protection by…
3D Dirac semimetal Cd3As2: A review of material properties
I. Crassee, R. Sankar, W. -L. Lee +2
Cadmium arsenide (Cd3As2) - a time-honored and widely explored material in solid-state physics - has recently attracted considerable attention. This was triggered by a theoretical…
The energy scale of Dirac electrons in Cd3As2
M. Hakl, S. Tchoumakov, I. Crassee +15
Cadmium arsenide (Cd3As2) has recently became conspicuous in solid-state physics due to several reports proposing that it hosts a pair of symmetry-protected 3D Dirac cones. Despite…
Magneto-optical signature of massless Kane electrons in Cd3As2
A. Akrap, M. Hakl, S. Tchoumakov +21
We report on optical reflectivity experiments performed on Cd3As2 over a broad range of photon energies and magnetic fields. The observed response clearly indicates the presence of…
Strong plasmon reflection at nanometer-size gaps in monolayer graphene on SiC
Jianing Chen, Maxim L. Nesterov, Alexey Yu. Nikitin +12
We employ tip-enhanced infrared near-field microscopy to study the plasmonic properties of epitaxial quasi-free-standing monolayer graphene on silicon carbide. The near-field image…
Fabry-Perot enhanced Faraday rotation in graphene
Nicolas Ubrig, Iris Crassee, Julien Levallois +5
We demonstrate that giant Faraday rotation in graphene in the terahertz range due to the cyclotron resonance is further increased by constructive Fabry-Perot interference in the su…
Classical to quantum crossover of the cyclotron resonance in graphene: A study of the strength of intraband absorption
M. Orlita, I. Crassee, C. Faugeras +7
We report on absolute magneto-transmission experiments on highly-doped quasi-free-standing epitaxial graphene targeting the classical-to-quantum crossover of the cyclotron resonanc…
Giant Faraday rotation in single- and multilayer graphene
Iris Crassee, Julien Levallois, Andrew L. Walter +6
Optical Faraday rotation is one of the most direct and practically important manifestations of magnetically broken time-reversal symmetry. The rotation angle is proportional to the…