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174 papers
Multivalley 3D Electronic Structure of PbSe from Soft-X-Ray ARPES and First-Principles Calculations
Zefeng Cai, Valentine V. Volobuev, Jędrzej Korczak +7
PbSe is a narrow-gap IV-VI semiconductor, whose multivalley valence bands, with maxima at the L, , and points, underpin its intermediate-temperature thermoelectric propertie…
Quantized Photocurrents in Gapless Topological Matter
Byunghoon Kim, Tenzin Norden, Mohammad Yahyavi +17
The quantum Hall effect establishes that topology can fix a material response to integer multiples of fundamental constants when an energy gap isolates the relevant symmetry-protec…
Direct observation of strain and confinement shaping the hole subbands of Ge quantum wells
Enrico Della Valle, Arianna Nigro, Miki Bonacci +6
Germanium-silicon-germanium (Ge/SiGe) heterostructures have emerged as a promising platform for hole-spin quantum technologies and high-mobility electronics, where st…
Quantifying quasiparticle chirality in a chiral topological semimetal
Jiaju Wang, Jaime Sánchez-Barriga, Amit Kumar +17
Recently, the projection of the electron's spin on its crystal momentum has been proposed as a metric to quantify electronic chirality of Bloch states in crystals, which is expecte…
Emergent 3D Fermiology and Magnetism in an Intercalated Van der Waals System
Luigi Camerano, Emanuel A. Martínez, Victor Porée +16
Intercalation of magnetic atoms into van der Waals materials provides a versatile platform for tailoring unconventional magnetic properties. However, its impact on electronic dimen…
Control of the MoTe Fermi Surface by Nb Doping
Andrew P. Weber, Iñigo Robredo, Philipp Rüssmann +8
Ab initio calculations and angle-resolved photoemission experiments show that the bulk and surface electronic structure of Weyl semimetal candidate MoTe changes significantly b…