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Engineering a pure Dirac regime in ZrTe5
Ctr Atom Bariloche, RA-8400 San Carlos De Bariloche, Argentina.;CNEA, Inst Balseiro, RA-8400 San Carlos De Bariloche, Argentina.;IFW Dresden & Wurzburg Dresden Cluster Excellence, Inst Theoret Solid State Phys, Helmholtzstr 20, D-01069 Dresden, Germany.;Inst Nanociencia & Nanotecnol CNEA CONICET, San Carlos De Bariloche, Argentina..
KTH, School of Engineering Sciences (SCI), Applied Physics.ORCID iD: 0000-0003-4441-8882
IFW Dresden & Wurzburg Dresden Cluster Excellence, Inst Theoret Solid State Phys, Helmholtzstr 20, D-01069 Dresden, Germany..
Max Planck Inst Chem Phys Solids, D-01187 Dresden, Germany..
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2023 (English)In: SciPost Physics, E-ISSN 2542-4653, Vol. 14, no 4, article id 066Article in journal (Refereed) Published
Abstract [en]

Real-world topological semimetals typically exhibit Dirac and Weyl nodes that coexist with trivial Fermi pockets. This tends to mask the physics of the relativistic quasiparti-cles. Using the example of ZrTe5, we show that strain provides a powerful tool for in-situ tuning of the band structure such that all trivial pockets are pushed far away from the Fermi energy, but only for a certain range of Van der Waals gaps. Our results naturally reconcile contradicting reports on the presence or absence of additional pockets in ZrTe5, and provide a clear map of where to find a pure three-dimensional Dirac semimetallic phase in the structural parameter space of the material.

Place, publisher, year, edition, pages
Stichting SciPost , 2023. Vol. 14, no 4, article id 066
National Category
Condensed Matter Physics
Identifiers
URN: urn:nbn:se:kth:diva-327404DOI: 10.21468/SciPostPhys.14.4.066ISI: 000972111900003Scopus ID: 2-s2.0-85156185322OAI: oai:DiVA.org:kth-327404DiVA, id: diva2:1759632
Note

QC 20230526

Available from: 2023-05-26 Created: 2023-05-26 Last updated: 2023-12-07Bibliographically approved

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Nocerino, ElisabettaMånsson, Martin

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