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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…
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…
Avoided ferromagnetic quantum critical point in CeRuPO
E. Lengyel, M. E. Macovei, A. Jesche +3
CeRuPO is a rare example of a ferromagnetic (FM) Kondo-lattice system. External pressure suppresses the ordering temperature to zero at about GPa. Our ac-susceptibili…
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…
Extremely large magnetoresistance and ultrahigh mobility in the topological Weyl semimetal NbP
Chandra Shekhar, Ajaya K. Nayak, Yan Sun +10
Recent experiments have revealed spectacular transport properties of conceptually simple semimetals. For example, normal semimetals (e.g. WTe) have started a new trend to reali…