An NCN-pincer ligand dysprosium single-ion magnet showing magnetic relaxation via the second excited state

Scientific Reports

Volumn 4, Issue , 2014, Pages

  Guo, Yun Nan ^a,b   Ungur, Liviu ^c   Granroth, Garrett E ^d   Powell, Annie K ^e   Wu, Chunji ^a   Nagler, Stephen E ^d   Tang, Jinkui ^a   Chibotaru, Liviu F ^c   Cui, Dongmei ^a  

^a CHANGCHUN INSTITUTE OF APPLIED CHEMISTRY   (China)

^b XI'AN JIAOTONG UNIVERSITY   (China)

^c UNIVERSITY OF LEUVEN   (Belgium)

^d OAK RIDGE NATIONAL LABORATORY   (United States)

^e KARLSRUHE INSTITUTE OF TECHNOLOGY   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 84903625229     PISSN: None     EISSN: 20452322     Source Type: Journal    
DOI: 10.1038/srep05471     Document Type: Article

References (43)

1. Gatteschi, D., Sessoli, R. & Villain, J. Molecular Nanomagnets (Oxford University Press, 2006
2. Gatteschi, D., Caneschi, A., Pardi, L.& Sessoli, R. Large clusters of metal-ions-The transition from molecular to bulk magnets. Science 265, 1054-1058 (1994 (Pubitemid 24293823)
3. Sessoli, R. et al. High-spin molecules: [Mn12O12(O2CR)16(H2O)4]. J. Am. Chem Soc. 115, 1804-1816 (1993
4. Leuenberger, M. N.&Loss, D. Quantumcomputing inmolecular magnets. Nature 410, 789-793 (2001
5. Hill, S., Edwards, R. S., Aliaga-Alcalde, N. & Christou, G. Quantum coherence in an exchange-coupled dimer of single-molecule magnets. Science 302, 1015-1018 (2003 (Pubitemid 37386187)
6. Bogani, L. & Wernsdorfer, W. Molecular spintronics using single-molecule magnets. Nat. Mater. 7, 179-186 (2008 (Pubitemid 351311291)
7. Urdampilleta, M., Klyatskaya, S., Cleuziou, J. P., Ruben, M. & Wernsdorfer, W. Supramolecular spin valves. Nat. Mater. 10, 502-506 (2011
8. Sessoli, R. & Powell, A. K. Strategies towards single molecule magnets based on lanthanide ions. Coord. Chem. Rev. 253, 2328-2341 (2009
9. Gatteschi, D. Anisotropic dysprosium. Nat. Chem. 3, 830-830 (2011
10. Guo, Y.-N., Xu, G.-F., Guo, Y. & Tang, J. Relaxation dynamics of dysprosium(III) single molecule magnets. Dalton Trans. 40, 9953-9963 (2011
11. Blagg, R. J., Muryn, C. A., McInnes, E. J. L., Tuna, F. &Winpenny, R. E. P. Single pyramid magnets: Dy5 pyramids with slow magnetic relaxation to 40 K. Angew. Chem. Int. Ed. 50, 6530-6533 (2011
12. Chibotaru, L. F., Ungur, L. & Soncini, A. The origin of nonmagnetic Kramers doublets in the ground state of dysprosium triangles: Evidence for a toroidal magnetic moment. Angew. Chem. Int. Ed. 47, 4126-4129 (2008
13. Rinehart, J. D., Fang, M., Evans, W. J. & Long, J. R. Strong exchange and magnetic blocking in N2 32-radical-bridged lanthanide complexes. Nat. Chem. 3, 538-542 (2011
14. Woodruff, D. N.,Winpenny, R. E. P.&Layfield, R. A. Lanthanide Single-Molecule Magnets. Chem. Rev. 113, 5110-5148 (2013
15. Cucinotta, G. et al.Magnetic anisotropy in a dysprosium/DOTA single-molecule magnet: Beyond simple magneto-structural correlations. Angew. Chem. Int. Ed. 51, 1606-1610 (2012
16. Lin, P. H. et al. A polynuclear lanthanide single-molecule magnet with a record anisotropic barrier. Angew. Chem. Int. Ed. 48, 9489-9492 (2009
17. Feltham, H. L. C. et al. A non-sandwiched macrocyclic monolanthanide singlemolecule magnet: The key role of axiality. Chem.-Eur. J. 17, 4362-4365 (2011
18. Guo, Y.-N. et al. Strong axiality and Ising exchange interaction suppress zero-field tunneling of magnetization of asymmetric Dy2 single-molecule magnet. J. Am. Chem Soc. 133, 11948-11951 (2011
19. Lin, P.-H. et al. A rare m4-O centred Dy4 tetrahedron with coordination-induced local chirality and single-molecule magnet behaviour. Eur. J. Inorg. Chem. 1535-1539 (2011
20. Long, J. et al. Single-molecule magnet behavior for an antiferromagnetically superexchange-coupled dinuclear dysprosium(III) complex. J. Am. Chem Soc. 133, 5319-5328 (2011
21. Ungur, L. & Chibotaru, L. F. Magnetic anisotropy in the excited states of low symmetry lanthanide complexes. Phys. Chem. Chem. Phys. 13, 20086-20090 (2011
22. Tuna, F. et al. A high anisotropy barrier in a sulfur-bridged organodysprosium single-molecule magnet. Angew. Chem. Int. Ed. 51, 6976-6980 (2012
23. Rinehart, J. D. & Long, J. R. Exploiting single-ion anisotropy in the design of felement single-molecule magnets. Chem. Sci. 2, 2078-2085 (2011
24. Gatteschi, D. & Sessoli, R. Quantum tunneling of magnetization and related phenomena in molecular materials. Angew. Chem. Int. Ed. 42, 268-297 (2003 (Pubitemid 36181508)
25. Gao, W. & Cui, D. Highly cis-1,4 selective polymerization of dienes with homogeneous Ziegler-Natta catalysts based on NCN-pincer rare earth metal dichloride precursors. J. Am. Chem Soc. 130, 4984-4991 (2008 (Pubitemid 351500132)
26. Jiang, S.-D. et al. Series of lanthanide organometallic single-ion magnets. Inorg. Chem. 51, 3079-3087 (2012
27. Jeletic, M. et al.An organometallic sandwich lanthanide single-ion magnet with an unusual multiple relaxation mechanism. J. Am. Chem Soc. 133, 19286-19289 (2011
28. Jiang, S.-D., Wang, B.-W., Sun, H.-L., Wang, Z.-M. & Gao, S. An organometallic single-ion magnet. J. Am. Chem Soc. 133, 4730-4733 (2011
29. Layfield, R. A. et al. Influence of the N-bridging ligand on magnetic relaxation in an organometallic dysprosium single-molecule magnet. Chem.-Eur. J. 16, 4442-4446 (2010
30. Sulway, S. A., Layfield, R. A., Tuna, F., Wernsdorfer, W. & Winpenny, R. E. P. Single-molecule magnetism in cyclopentadienyl-dysprosium chlorides. Chem. Commun. 48, 1508-1510 (2012
31. Ritter, S. Single-molecule magnets evolve. Chem. Eng. News 89, 8-8 (2011
32. Ishikawa, N., Sugita, M., Ishikawa, T., Koshihara, S.-y. & Kaizu, Y. Mononuclear lanthanide complexes with a long magnetization relaxation time at high temperatures: A new category of magnets at the single-molecular level. J. Phys. Chem. B 108, 11265-11271 (2004
33. Magnani, N. et al. Magnetic memory effect in a transuranic mononuclear complex. Angew. Chem. Int. Ed. 50, 1696-1698 (2011
34. Blagg, R. J. et al. Magnetic relaxation pathways in lanthanide single-molecule magnets. Nat. Chem. 5, 673-678 (2013
35. Theory and Applications of Molecular Paramagnetism. (Boudreaux, E. A. and Mulay, L. N. John Wiley & Sons, 1976
36. Granroth, G. E., Vandergriff, D. H. & Nagler, S. E. SEQUOIA: A fine resolution chopper spectrometer at the SNS. Physica B 385-86, 1104-1106 (2006
37. Granroth, G. E. et al. SEQUOIA: A newly operating chopper spectrometer at the SNS. J. Phys: Conf. Ser. 251, 012058 (2010
38. Aquilante, F. et al. Software news and update MOLCAS 7: The next generation. J. Comput. Chem. 31, 224-247 (2010
39. Roos, B. O., Lindh, R., Malmqvist, P.-A., Veryazov, V. & Widmark, P.-O. New relativistic ANO basis sets for transition metal atoms. J. Phys. Chem. A 109, 6575-6579 (2005 (Pubitemid 41172359)
40. Roos, B. O., Taylor, P. R.&Siegbahn, P. E.M.Acomplete active space SCFmethod (CASSCF) using a density matrix formulated super-CI approach. Chem, Phys. 48, 157-173 (1980
41. Roos, B. O. & Malmqvist, P.A. Relativistic quantum chemistry: the multiconfigurational approach. Phys. Chem. Chem. Phys. 6, 2919-2927 (2004
42. Ungur, L. & Chibotaru, L. F. SINGLE-ANISO program in MOLCAS (http://molcas.org/documentation/manual/node95.html
43. Stevens, K. W. H. Matrix Elements and Operator Equivalents Connected with the Magnetic Properties of Rare Earth Ions. Proc. Phys. Soc. A 65, 209 (1952).