Evolution of the metallic state in LaNiO3/LaAlO3 superlattices measured by Li8β-detected NMR

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dc.contributor.authorKarner, VLen_AU
dc.contributor.authorChatzichristos, Aen_AU
dc.contributor.authorCortie, DLen_AU
dc.contributor.authorFujimoto, Den_AU
dc.contributor.authorKiefl, RFen_AU
dc.contributor.authorLevy, CDPen_AU
dc.contributor.authorLi, RHen_AU
dc.contributor.authorMcFadden, RMLen_AU
dc.contributor.authorMorris, GDen_AU
dc.contributor.authorPearson, MRen_AU
dc.contributor.authorBenckiser, Een_AU
dc.contributor.authorBoris, AVen_AU
dc.contributor.authorCristiani, Gen_AU
dc.contributor.authorLogvenov, Gen_AU
dc.contributor.authorKeimer, Ben_AU
dc.contributor.authorMacFarlane, WAen_AU
dc.date.accessioned2024-12-20T02:31:33Zen_AU
dc.date.available2024-12-20T02:31:33Zen_AU
dc.date.issued2021-11-12en_AU
dc.date.statistics2024-05-28en_AU
dc.description.abstractUsing ion-implanted Li8 β-detected NMR, we study the evolution of the correlated metallic state of LaNiO3 in a series of LaNiO3/LaAlO3 superlattices as a function of bilayer thickness. Spin-lattice relaxation measurements in an applied field of 6.55T reveal two equal amplitude components: one with metallic (T linear) 1/T1 and a second with a more complex T dependence. The metallic character of the slow relaxing component is only weakly affected by the LaNiO3 thickness, while the fast component is much more sensitive, exhibiting the opposite temperature dependence (increasing toward low T) in the thinnest, most magnetic samples. The origin of this bipartite relaxation is discussed in terms of electronic phase separation. ©2021 American Physical Society.en_AU
dc.description.sponsorshipWe thank R. Abasalti, D. J. Arseneau, S. Daviel, B. Hitti, and D. Vyas for technical assistance. We thank A. Frano, S. Johnston, Q. Si, and M. Vojta for useful discussions. This work was supported by NSERC Canada. Work at the MPI-FKF (sample synthesis and characterization) was supported by the Deutsche Forschungsgemenischaft (DFG, German Research Foundation) Projektnummer 107745047-TRR 80.en_AU
dc.identifier.articlenumber205114en_AU
dc.identifier.citationKarner, V. L., Chatzichristos, A., Cortie, D. L., Fujimoto, D., Kiefl, R. F., Levy, C. D. P., Li, R., McFadden, R. M. L., Morris, G. D., Pearson, M. R., Benckiser, E., Boris, A. V., Cristiani, G., Logvenov, G., Keimer, B., & MacFarlane, W. A. (2021). Evolution of the metallic state in LaNiO3/LaAlO3 superlattices measured by 8Li beta-detected NMR. Physical Review B, 104(20), 205114. doi:10.1103/PhysRevB.104.205114en_AU
dc.identifier.issn2469-9950en_AU
dc.identifier.issn2469-9969en_AU
dc.identifier.issue20en_AU
dc.identifier.journaltitlePhysical Review Ben_AU
dc.identifier.pagination205114-en_AU
dc.identifier.urihttps://doi.org/10.1103/physrevb.104.205114en_AU
dc.identifier.urihttps://apo.ansto.gov.au/handle/10238/15848en_AU
dc.identifier.volume104en_AU
dc.languageEnglishen_AU
dc.language.isoenen_AU
dc.publisherAmerican Physical Society (APS)en_AU
dc.subjectSuperlatticesen_AU
dc.subjectLithiumen_AU
dc.subjectIon implantationen_AU
dc.subjectSpin-lattice relaxationen_AU
dc.subjectMagnetic materialsen_AU
dc.subjectElectronic structureen_AU
dc.subjectPerovskitesen_AU
dc.subjectNuclear magnetic resonanceen_AU
dc.titleEvolution of the metallic state in LaNiO3/LaAlO3 superlattices measured by Li8β-detected NMRen_AU
dc.typeJournal Articleen_AU
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