Room-temperature on-spin-switching and tuning in a porphyrin-based multifunctional interface

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dc.contributor.authorSturmeit, Henning Maximilian
dc.contributor.authorCojocariu, Iulia
dc.contributor.authorWindischbacher, Andreas
dc.contributor.authorPuschnig, Peter
dc.contributor.authorPiamonteze, Cinthia
dc.contributor.authorJugovac, Matteo
dc.contributor.authorSala, Alessandro
dc.contributor.authorAfrich, Cristina
dc.contributor.authorComelli, Giovanni
dc.contributor.authorCossaro, Albano
dc.contributor.authorVerdini, Alberto
dc.contributor.authorFloreano, Luca
dc.contributor.authorStredansky, Matus
dc.contributor.authorVesseli, Erik
dc.contributor.authorHohner, Chantal
dc.contributor.authorKettner, Miroslav
dc.contributor.authorLibuda, Jörg
dc.contributor.authorSchneider, Claus Michael
dc.contributor.authorZamborlini, Giovanni
dc.contributor.authorCinchetti, Mirko
dc.contributor.authorFeyer, Vitaliy
dc.date.accessioned2022-03-16T13:24:25Z
dc.date.available2022-03-16T13:24:25Z
dc.date.issued2021-10-12
dc.description.abstractMolecular interfaces formed between metals and molecular compounds offer a great potential as building blocks for future opto-electronics and spintronics devices. Here, a combined theoretical and experimental spectro-microscopy approach is used to show that the charge transfer occurring at the interface between nickel tetraphenyl porphyrins and copper changes both spin and oxidation states of the Ni ion from [Ni(II), S = 0] to [Ni(I), S = 1/2]. The chemically active Ni(I), even in a buried multilayer system, can be functionalized with nitrogen dioxide, allowing a selective tuning of the electronic properties of the Ni center that is switched to a [Ni(II), S = 1] state. While Ni acts as a reversible spin switch, it is found that the electronic structure of the macrocycle backbone, where the frontier orbitals are mainly localized, remains unaffected. These findings pave the way for using the present porphyrin-based system as a platform for the realization of multifunctional devices where the magnetism and the optical/transport properties can be controlled simultaneously by independent stimuli.en
dc.identifier.urihttp://hdl.handle.net/2003/40800
dc.identifier.urihttp://dx.doi.org/10.17877/DE290R-22657
dc.language.isoende
dc.relation.ispartofseriesSmall;17(50)
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.subjectCharge transferen
dc.subjectFunctionalizationen
dc.subjectMolecular interfacesen
dc.subjectSpin switchingen
dc.subjectSpintronicsen
dc.subject.ddc530
dc.titleRoom-temperature on-spin-switching and tuning in a porphyrin-based multifunctional interfaceen
dc.typeTextde
dc.type.publicationtypearticlede
dcterms.accessRightsopen access
eldorado.openaire.projectidentifierinfo:eu-repo/grantAgreement/EC/H2020/725767/EU/Coherent optical control of multi-functional nano-scale hybrid units/hyControlde
eldorado.secondarypublicationtruede
eldorado.secondarypublication.primarycitationSturmeit, H. M., Cojocariu, I., Windischbacher, A., Puschnig, P., Piamonteze, C., Jugovac, M., Sala, A., Africh, C., Comelli, G., Cossaro, A., Verdini, A., Floreano, L., Stredansky, M., Vesselli, E., Hohner, C., Kettner, M., Libuda, J., Schneider, C. M., Zamborlini, G., Cinchetti, M., Feyer, V., Room-Temperature On-Spin-Switching and Tuning in a Porphyrin-Based Multifunctional Interface. Small 2021, 17, 2104779. https://doi.org/10.1002/smll.202104779de
eldorado.secondarypublication.primaryidentifierhttps://doi.org/10.1002/smll.202104779de

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