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Quantum oscillations and the Fermi-surface topology of the Weyl semimetal NbP
J. Klotz, Shu-Chun Wu, Chandra Shekhar +8
The Weyl semimetal NbP was found to exhibit topological Fermi arcs and exotic magneto-transport properties. Here, we report on magnetic quantum-oscillation measurements on NbP and…
Large anomalous Hall effect driven by non-vanishing Berry curvature in non-collinear antiferromagnetic Mn3Ge
Ajaya K. Nayak, Julia Fischer, Yan Sun +9
It is well established that the anomalous Hall effect that a ferromagnet displays scales with its magnetization. Therefore, an antiferromagnet that has no net magnetization should…
Superconductivity in Weyl Semimetal Candidate MoTe2
Yanpeng Qi, Pavel G. Naumov, Mazhar N. Ali +19
In recent years, layered transition-metal dichalcogenides (TMDs) have attracted considerable attention because of their rich physics; for example, these materials exhibit supercond…
Design of compensated ferrimagnetic Heusler alloys for giant tunable exchange bias
Ajaya K. Nayak, Michael Nicklas, Stanislav Chadov +10
The discovery of materials with improved functionality can be accelerated by rational material design. Heusler compounds with tunable magnetic sublattices allow to implement this c…
Negative magnetoresistance without well-defined chirality in the Weyl semimetal TaP
Frank Arnold, Chandra Shekhar, Shu-Chun Wu +15
Weyl semimetals (WSMs) are topological quantum states wherein the electronic bands linearly disperse around pairs of nodes, the Weyl points, of fixed (left or right) chirality. The…
Large linear magnetoresistance and weak anti-localization in Y(Lu)PtBi topological insulators
Chandra Shekhar, Erik Kampert, Tobias Foerster +4
Topological insulators are new kind of Dirac materials that possess bulk insulating and surface conducting behavior. They are basically known for their unique electronic properties…