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dc.contributor.authorLi, P.
dc.contributor.authorZhang, C. H.
dc.contributor.authorZhang, Junwei
dc.contributor.authorWen, Yan
dc.contributor.authorZhang, Xixiang
dc.date.accessioned2019-01-16T12:46:09Z
dc.date.available2018-03-15T11:35:53Z
dc.date.available2019-01-16T12:46:09Z
dc.date.issued2018-09-24
dc.identifier.citationLi, P., Zhang, C. H., Zhang, J. W., Wen, Y., & Zhang, X. X. (2018). Giant planar Hall effect in the Dirac semimetal ZrTe5−δ. Physical Review B, 98(12). doi:10.1103/physrevb.98.121108
dc.identifier.issn2469-9950
dc.identifier.issn2469-9969
dc.identifier.doi10.1103/physrevb.98.121108
dc.identifier.urihttp://hdl.handle.net/10754/627326
dc.description.abstractExploration and understanding of exotic topics in quantum physics such as Dirac and Weyl semimetals have become highly popular in the area of condensed matter. It has recently been predicted that a theoretical giant planar Hall effect can be induced by a chiral anomaly in Dirac and Weyl semimetals. ZrTe5 is considered an intriguing Dirac semimetal at the boundary of weak and strong topological insulators, though this claim is still controversial. In this study, we report the observation in ZrTe5 of giant planar Hall resistivity. We have also noted three different dependences of this resistivity on the magnetic field, as predicted by theory, maximum planar Hall resistivity occurs at the Lifshitz transition temperature. In addition, we have discovered a nontrivial Berry phase, as well as a chiral-anomaly-induced negative longitudinal and a giant in-plane anisotropic magnetoresistance. All these experimental observations coherently demonstrate that ZrTe5 is a Dirac semimetal.
dc.publisherAmerican Physical Society (APS)
dc.relation.urlhttp://arxiv.org/abs/1803.01213v1
dc.relation.urlhttp://arxiv.org/pdf/1803.01213v1
dc.rightsArchived with thanks to arXiv
dc.titleGiant planar Hall effect in the Dirac semimetal ZrTe5−δ
dc.typeArticle
dc.contributor.departmentMaterial Science and Engineering Program
dc.contributor.departmentPhysical Science and Engineering (PSE) Division
dc.identifier.journalPhysical Review B
dc.eprint.versionPre-print
dc.identifier.arxivid1803.01213
kaust.personZhang, Junwei
kaust.personWen, Yan
kaust.personZhang, Xixiang
kaust.grant.numberCRF-2015-SENSORS-2709
refterms.dateFOA2018-06-14T05:50:20Z
dc.date.posted2018-03-03


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