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http://hdl.handle.net/2445/118837
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DC Field | Value | Language |
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dc.contributor.author | Salinas Uber, Jorge | - |
dc.contributor.author | Estrader i Bofarull, Marta | - |
dc.contributor.author | García Gómez, Jordi | - |
dc.contributor.author | Lloyd-Williams, Paul | - |
dc.contributor.author | Sadurní, Anna | - |
dc.contributor.author | Dengler, Dominik | - |
dc.contributor.author | van Slageren, Joris | - |
dc.contributor.author | Chilton, Nicholas F. | - |
dc.contributor.author | Roubeau, Olivier | - |
dc.contributor.author | Teat, Simon J. | - |
dc.contributor.author | Ribas Ariño, Jordi | - |
dc.contributor.author | Aromí Bedmar, Guillem | - |
dc.date.accessioned | 2017-12-20T15:48:35Z | - |
dc.date.available | 2018-10-04T05:10:19Z | - |
dc.date.issued | 2017-10-04 | - |
dc.identifier.issn | 0947-6539 | - |
dc.identifier.uri | http://hdl.handle.net/2445/118837 | - |
dc.description.abstract | Controlling the charges and spins of molecules lies at the heart of spintronics. A photoswitchable molecule consisting of two independent spins separated by a photo- switchable moiety was designed in the form of new ligand H4L, which features a dithienylethene photochromic unit and two lateral coordinating moieties, and yields molecules with [MM···MM] topology. Compounds [M4L2(py)6] (M = Cu, 1; Co, 2; Ni, 3; Zn, 4) were prepared and studied by single-crys- tal X-ray diffraction (SCXRD). Different metal centers can be selectively distributed among the two chemically distinct sites of the ligand, and this enables the preparation of many double-spin systems. Heterometallic [MM'···M'M] analogues with formulas [Cu2Ni2L2(py)6] (5), [Co2Ni2L2(py)6] (6), [Co2Cu2L2(py)6] (7), [Cu2Zn2L2(py)6] (8), and [Ni2Zn2L2(py)6] (9) were prepared and analyzed by SCXRD. Their composition was established unambiguously. All complexes exhibit two weakly interacting [MM'] moieties, some of which embody two-level quantum systems. Compounds 5 and 8 each ex- hibit a pair of weakly coupled S = 1=2 spins that show quan- tum coherence in pulsed Q-band EPR spectroscopy, as re- quired for quantum computing, with good phase memory times (TM = 3.59 and 6.03 ms at 7 K). Reversible photoswitch- ing of all the molecules was confirmed in solution. DFT cal- culations on 5 indicate that the interaction between the two spins of the molecule can be switched on and off on photo- cyclization. | - |
dc.format.extent | 12 p. | - |
dc.format.mimetype | application/pdf | - |
dc.language.iso | eng | - |
dc.publisher | Wiley-VCH | - |
dc.relation.isformatof | Versió postprint del document publicat a: https://doi.org/10.1002/chem.201702171 | - |
dc.relation.ispartof | Chemistry-A European Journal, 2017, vol. 23, num. 55, p. 13648-13659 | - |
dc.relation.uri | https://doi.org/10.1002/chem.201702171 | - |
dc.rights | (c) Wiley-VCH, 2017 | - |
dc.source | Articles publicats en revistes (Química Inorgànica i Orgànica) | - |
dc.subject.classification | Compostos de coordinació | - |
dc.subject.classification | Fotoquímica orgànica | - |
dc.subject.classification | Propietats magnètiques | - |
dc.subject.other | Coordination compounds | - |
dc.subject.other | Organic photochemistry | - |
dc.subject.other | Magnetic properties | - |
dc.title | Molecules Designed to Contain Two Weakly Coupled Spins with a Photoswitchable Spacer | - |
dc.type | info:eu-repo/semantics/article | - |
dc.type | info:eu-repo/semantics/acceptedVersion | - |
dc.identifier.idgrec | 673642 | - |
dc.date.updated | 2017-12-20T15:48:35Z | - |
dc.relation.projectID | info:eu-repo/grantAgreement/EC/FP7/258060/EU//FUNCMOLQIP | - |
dc.rights.accessRights | info:eu-repo/semantics/openAccess | - |
dc.identifier.pmid | 28621917 | - |
Appears in Collections: | Articles publicats en revistes (Química Inorgànica i Orgànica) |
Files in This Item:
File | Description | Size | Format | |
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673642.pdf | 2.91 MB | Adobe PDF | View/Open |
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