Temperature dependence of the electron and hole Landé g-factors in CsPbI3 nanocrystals embedded in a glass matrix

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dc.contributor.authorMeliakov, Sergey R.
dc.contributor.authorZhukov, Evgeny A.
dc.contributor.authorBelykh, Vasilii V.
dc.contributor.authorNestoklon, Mikhail O.
dc.contributor.authorKolobkova, Elena V.
dc.contributor.authorKuznetsova, Maria S.
dc.contributor.authorBayer, Manfred
dc.contributor.authorYakovlev, Dmitri R.
dc.date.accessioned2025-09-24T10:47:06Z
dc.date.available2025-09-24T10:47:06Z
dc.date.issued2024-10-17
dc.description.abstractThe coherent spin dynamics of electrons and holes in CsPbI3 perovskite nanocrystals in a glass matrix are studied by the time-resolved Faraday ellipticity technique in magnetic fields up to 430 mT across a temperature range from 6 K to 120 K. The Landé g-factors and spin dephasing times are evaluated from the observed Larmor precession of electron and hole spins. The nanocrystal size in the three studied samples varies from about 8 to 16 nm, resulting in exciton transition varying from 1.69 to 1.78 eV at a temperature of 6 K, allowing us to study the corresponding energy dependence of the g-factors. The electron g-factor decreases with increasing confinement energy in the NCs as a result of NC size reduction, and also with increasing temperature. The hole g-factor shows the opposite trend. Model analysis shows that the variation of g-factors with NC size arises from the transition energy dependence of the g-factors, which becomes strongly renormalized by temperature.en
dc.identifier.urihttp://hdl.handle.net/2003/43960
dc.language.isoen
dc.relation.ispartofseriesNanoscale; 16(46)
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/
dc.subject.ddc530
dc.titleTemperature dependence of the electron and hole Landé g-factors in CsPbI3 nanocrystals embedded in a glass matrixen
dc.typeText
dc.type.publicationtypeArticle
dcterms.accessRightsopen access
eldorado.dnb.deposittrue
eldorado.doi.registerfalse
eldorado.secondarypublicationtrue
eldorado.secondarypublication.primarycitationMeliakov, S. R., Zhukov, E. A., Belykh, V. V., Nestoklon, M. O., Kolobkova, E. V., Kuznetsova, M. S., Bayer, M., & Yakovlev, D. R. (2024). Temperature dependence of the electron and hole Landé g-factors in CsPbI3 nanocrystals embedded in a glass matrix. Nanoscale, 16(46), 21496–21505. https://doi.org/10.1039/d4nr03132f
eldorado.secondarypublication.primaryidentifierhttps://doi.org/10.1039/D4NR03132F

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