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Synthetic tuning of the quantum properties of open-shell radicaloids

Open-shell molecular radicaloids could constitute the key to molecular quantum information and quantum sensing technologies. The effect of their morphology on the quantum properties is anyway unknown, hampering the development of synthetic strategies. Herein, we establish the links between morphology-and quantum properties, using three related radicaloids based on meta-quinodimethane. We unravel the roles of the π-conjugated backbone and of the side groups on the spin-flip and quantum coherence times. The temperature regions are identified, where different structural parts of the molecule or solvent become the dominant decoherence channel. The record quantum coherence values obtained at room temperature are still well below the intrinsic limits of radicaloids, and we discuss the directions to optimize the quantum performance.

Identiferoai:union.ndltd.org:DRESDEN/oai:qucosa:de:qucosa:79228
Date20 May 2022
CreatorsLombardi, Federico, Ma, Ji, Dimitris I.Alexandropoulos, Dimitris I., Komber, Hartmut, Liu, Junzhi, Myers, William K., Feng, Xinliang, Bogani, Lapo
ContributorsChem
PublisherElsevier
Source SetsHochschulschriftenserver (HSSS) der SLUB Dresden
LanguageEnglish
Detected LanguageEnglish
Typeinfo:eu-repo/semantics/acceptedVersion, doc-type:article, info:eu-repo/semantics/article, doc-type:Text
Rightsinfo:eu-repo/semantics/openAccess
Relation2451-9294, 10.1016/j.chempr.2021.03.024, info:eu-repo/grantAgreement/European Commission/H2020 | ERC | ERC-COG/773048//Molecular Magnetic Graphene Nanoribbons/MMGNRs, info:eu-repo/grantAgreement/European Commission/H2020 | SGA-RIA/881603//Graphene Flagship Core Project 3/GrapheneCore3, info:eu-repo/grantAgreement/European Commission/H2020 | MSCA-ITN-ETN/813036//Bottom-Up generation of atomicalLy precise syntheTIc 2D MATerials for high performance in energy and Electronic applications – A multi-site innovative training action/ULTIMATE, info:eu-repo/grantAgreement/Deutsche Forschungsgemeinschaft/Exzellenzcluster/194636624//Center for Advancing Electronics Dresden /cfaed, info:eu-repo/grantAgreement/Deutsche Forschungsgemeinschaft/Sachbeihilfen/391979941//Erkundung von Heteroaromatischen und -antiaromatischen atompräzisen Nanographenen/EnhanceNano

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