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Influence of the Néel vector on the bulk electronic structure of MnTe measured from the surface
D. A. Usanov, A. B. Hellenes, S. Hahn +7
Altermagnetism gives rise to momentum-dependent spin splitting without net magnetization. Here, we use angle-resolved photoemission spectroscopy (ARPES) to investigate bulk -MnT…
Real and Reciprocal Space Characterization of the 3-Dimensional Charge Density Wave in Quasi-1-Dimensional CuTe
Fei Guo, Michele Puppin, Lukas Hellbruck +4
Low-dimensional materials are susceptible to electronic instabilities such as charge density waves (CDWs), originating from a divergence in the Lindhard electron response function,…
Weyl metallic state induced by helical magnetic order
Jian-Rui Soh, Irián Sánchez-Ramírez, Xupeng Yang +15
In the rapidly expanding field of topological materials there is growing interest in systems whose topological electronic band features can be induced or controlled by magnetism. M…
Observation of a singular Weyl point surrounded by charged nodal walls in PtGa
J. -Z. Ma, Q. -S. Wu, M. Song +17
Constrained by the Nielsen-Ninomiya no-go theorem, in all so-far experimentally determined Weyl semimetals (WSMs) the Weyl points (WPs) always appear in pairs in the momentum space…
Ultrafast modulation of covalency in GeTe driven by a ferroelectric soft mode
Bulat Burganov, Vladimir Ovuka, Matteo Savoini +4
The general idea of using ultrashort light pulses to control ferroic order parameters has recently attracted attention as a means to achieve control over material properties on unp…
Single spin-polarised Fermi surface in SrTiO thin films
Eduardo B. Guedes, Stefan Muff, Mauro Fanciulli +6
The 2D electron gas (2DEG) formed at the surface of SrTiO(001) has attracted great interest because of its fascinating physical properties and potential as a novel electronic p…