Chemical Control of Spin Propagation between Heterometallic Rings (Articolo in rivista)

Type
Label
  • Chemical Control of Spin Propagation between Heterometallic Rings (Articolo in rivista) (literal)
Anno
  • 2011-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1002/chem.201101785 (literal)
Alternative label
  • Faust, Thomas B(1,2); Bellini, Valerio(3); Candini, Andrea(3); Carretta, Stefano(4); Lorusso, Giulia(3,5); Allan, David R.(6); Carthy, Laura(1,2); Collison, David(1,2); Docherty, Rebecca J.(1,2); Kenyon, Jasbinder(1,2); Machin, John(1,2); McInnes, Eric J. L.(1,2); Muryn, Christopher A.(1,2); Nowell, Harriott(6); Pritchard, Robin G.(1,2); Teat, Simon J.(7); Timco, Grigore A.(1,2); Tuna, Floriana(1,2); Whitehead, George F. S.(1,2); Wernsdorfer, Wolfgang(8,9); Affronte, Marco(3,5); Winpenny, Richard E. P.(1,2) (2011)
    Chemical Control of Spin Propagation between Heterometallic Rings
    in Chemistry (Weinh., Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Faust, Thomas B(1,2); Bellini, Valerio(3); Candini, Andrea(3); Carretta, Stefano(4); Lorusso, Giulia(3,5); Allan, David R.(6); Carthy, Laura(1,2); Collison, David(1,2); Docherty, Rebecca J.(1,2); Kenyon, Jasbinder(1,2); Machin, John(1,2); McInnes, Eric J. L.(1,2); Muryn, Christopher A.(1,2); Nowell, Harriott(6); Pritchard, Robin G.(1,2); Teat, Simon J.(7); Timco, Grigore A.(1,2); Tuna, Floriana(1,2); Whitehead, George F. S.(1,2); Wernsdorfer, Wolfgang(8,9); Affronte, Marco(3,5); Winpenny, Richard E. P.(1,2) (literal)
Pagina inizio
  • 14020 (literal)
Pagina fine
  • 14030 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 17 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1. Univ Manchester, Lewis Magnetism Lab, Sch Chem, Manchester M13 9PL, Lancs, England 2. Univ Manchester, Photon Sci Inst, Manchester M13 9PL, Lancs, England 3. Inst NanoScienze S3 CNR, I-41125 Modena, Italy 4. Univ Parma, Dipartimento Fis, Unita CNISM Parma, I-3100 Parma, Italy 5. Univ Modena & Reggio Emilia, Dipartimento Fis, I-41125 Modena, Italy 6. DIAMOND Light Source, Didcot OX11 0DE, Oxon, England 7. Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Adv Light Source, Berkeley, CA 94720 USA 8. CNRS, Inst Neel, F-38042 Grenoble 9, France 9. UJF, F-38042 Grenoble 9, France (literal)
Titolo
  • Chemical Control of Spin Propagation between Heterometallic Rings (literal)
Abstract
  • We present a synthetic, structural, theoretical, and spectroscopic study of a family of heterometallic ring dimers which have the formula [{Cr(7)NiF(3)(Etglu)(O(2)CtBu)(15)}(2)(NLN)], in which Etglu is the pentadeprotonated form of the sugar N-ethyl-d-glucamine, and NLN is an aromatic bridging diimine ligand. By varying NLN we are able to adjust the strength of the interaction between rings with the aim of understanding how to tune our system to achieve weak magnetic communication between the spins, a prerequisite for quantum entanglement. Micro-SQUID and EPR data reveal that the magnetic coupling between rings is partly related to the through-bond distance between the spin centers, but also depends on spin-polarization mechanisms and torsion angles between aromatic rings. Density functional theory (DFT) calculations allow us to make predictions of how such chemically variable parameters could be used to tune very precisely the interaction in such systems. For possible applications in quantum information processing and molecular spintronics, such precise control is essential. (literal)
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