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Quasi-isotropic orbital magnetoresistance in lightly doped SrTiO3

hal.structure.identifierJeunes Équipes de l'Institut de Physique du Collège de France [JEIPCdF]
hal.structure.identifierLaboratoire de Physique et d'Etude des Matériaux (UMR 8213) [LPEM]
dc.contributor.authorCOLLIGNON, Clément
hal.structure.identifierDepartment of Engineering Science
dc.contributor.authorAWASHIMA, Yudai
hal.structure.identifierLaboratoire de Physique et d'Etude des Matériaux (UMR 8213) [LPEM]
dc.contributor.authorRAVI, Ravi
hal.structure.identifierLaboratoire de Physique et d'Etude des Matériaux (UMR 8213) [LPEM]
dc.contributor.authorLIN, Xiao
hal.structure.identifierLaboratoire de Physique et d'Etude des Matériaux (UMR 8213) [LPEM]
dc.contributor.authorRISCHAU, Carl Willem
hal.structure.identifierJeunes Équipes de l'Institut de Physique du Collège de France [JEIPCdF]
dc.contributor.authorACHECHE, Anissa
hal.structure.identifierLaboratoire national des champs magnétiques intenses - Toulouse [LNCMI-T]
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorVIGNOLLE, Baptiste
hal.structure.identifierLaboratoire national des champs magnétiques intenses - Toulouse [LNCMI-T]
dc.contributor.authorPROUST, Cyril
hal.structure.identifierDepartment of Engineering Science
hal.structure.identifierInstitute for Advanced Science
dc.contributor.authorFUSEYA, Yuki
hal.structure.identifierLaboratoire de Physique et d'Etude des Matériaux (UMR 8213) [LPEM]
dc.contributor.authorBEHNIA, Kamran
hal.structure.identifierJeunes Équipes de l'Institut de Physique du Collège de France [JEIPCdF]
dc.contributor.authorFAUQUÉ, Benoît
dc.date.issued2021-06
dc.identifier.issn2475-9953
dc.description.abstractEnA magnetic field parallel to an electrical current does not produce a Lorentz force on the charge carriers. Therefore, orbital longitudinal magnetoresistance is unexpected. Here we report on the observation of a large and nonsaturating magnetoresistance in lightly doped SrTiO3−x independent of the relative orientation of current and magnetic field. We show that this quasi-isotropic magnetoresistance can be explained if the carrier mobility along all orientations smoothly decreases with magnetic field. This anomalous regime is restricted to low concentrations when the dipolar correlation length is shorter than the distance between carriers. We identify cyclotron motion of electrons in a potential landscape tailored by polar domains as the cradle of quasi-isotropic orbital magnetoresistance. The result emerges as a challenge to theory and may be a generic feature of lightly doped quantum paralectric materials.
dc.description.sponsorshipInteraction entre ferroélctricité et la supraconductivité
dc.language.isoen
dc.publisherAmerican Physical Society
dc.title.enQuasi-isotropic orbital magnetoresistance in lightly doped SrTiO3
dc.typeArticle de revue
dc.identifier.doi10.1103/PhysRevMaterials.5.065002
dc.subject.halChimie/Matériaux
bordeaux.journalPhysical Review Materials
bordeaux.page065002 (6 p.)
bordeaux.volume5
bordeaux.issue6
bordeaux.peerReviewedoui
hal.identifierhal-03268463
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-03268463v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Physical%20Review%20Materials&rft.date=2021-06&rft.volume=5&rft.issue=6&rft.spage=065002%20(6%20p.)&rft.epage=065002%20(6%20p.)&rft.eissn=2475-9953&rft.issn=2475-9953&rft.au=COLLIGNON,%20Cl%C3%A9ment&AWASHIMA,%20Yudai&RAVI,%20Ravi&LIN,%20Xiao&RISCHAU,%20Carl%20Willem&rft.genre=article


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