Mode locking of hole spin coherences in CsPb(Cl, Br)3 perovskite nanocrystals

dc.contributor.authorKirstein, E.
dc.contributor.authorKopteva, N. E.
dc.contributor.authorYakovlev, D. R.
dc.contributor.authorZhukov, E. A.
dc.contributor.authorKolobkova, E. V.
dc.contributor.authorKuznetsova, M. S.
dc.contributor.authorBelykh, V. V.
dc.contributor.authorYugova, I. A.
dc.contributor.authorGlazov, M. M.
dc.contributor.authorBayer, M.
dc.contributor.authorGreilich, A.
dc.date.accessioned2024-07-23T08:58:11Z
dc.date.available2024-07-23T08:58:11Z
dc.date.issued2023-02-08
dc.description.abstractThe spin physics of perovskite nanocrystals with confined electrons or holes is attracting increasing attention, both for fundamental studies and spintronic applications. Here, stable lead halide perovskite nanocrystals embedded in a fluorophosphate glass matrix are studied by time-resolved optical spectroscopy to unravel the coherent spin dynamics of holes and their interaction with nuclear spins of the 207Pb isotope. We demonstrate the spin mode locking effect provided by the synchronization of the Larmor precession of single hole spins in each nanocrystal in the ensemble that are excited periodically by a laser in an external magnetic field. The mode locking is enhanced by nuclei-induced frequency focusing. An ensemble spin dephasing time of a nanosecond and a single hole spin coherence time of T2 = 13 ns are measured. The developed theoretical model accounting for the mode locking and nuclear focusing for randomly oriented nanocrystals with perovskite band structure describes the experimental data very well.en
dc.identifier.urihttp://hdl.handle.net/2003/42609
dc.identifier.urihttp://dx.doi.org/10.17877/DE290R-24444
dc.language.isoende
dc.relation.ispartofseriesNature communications;14
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/de
dc.subjectNanoscience and technologyen
dc.subjectOptics and photonicsen
dc.subjectQuantum informationen
dc.subject.ddc530
dc.titleMode locking of hole spin coherences in CsPb(Cl, Br)3 perovskite nanocrystalsen
dc.typeTextde
dc.type.publicationtypeArticlede
dcterms.accessRightsopen access
eldorado.secondarypublicationtruede
eldorado.secondarypublication.primarycitationKirstein, E., Kopteva, N.E., Yakovlev, D.R. et al. Mode locking of hole spin coherences in CsPb(Cl, Br)3 perovskite nanocrystals. Nat Commun 14, 699 (2023). https://doi.org/10.1038/s41467-023-36165-0de
eldorado.secondarypublication.primaryidentifierhttps://doi.org/10.1038/s41467-023-36165-0de

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