Observation of the influence of dipolar and spin frustration effects on the magnetocaloric properties of a trigonal prismatic {Gd-7} molecular nanomagnet
Pineda EM, Lorusso G, Zangana KH, Palacios E, Schnack J, Evangelisti M, Winpenny REP, McInnes EJL (2016)
CHEMICAL SCIENCE 7(8): 4891-4895.
Zeitschriftenaufsatz
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Autor*in
Pineda, Eufemio Moreno;
Lorusso, Giulia;
Zangana, Karzan H.;
Palacios, Elias;
Schnack, JürgenUniBi 
;
Evangelisti, Marco;
Winpenny, Richard E. P.;
McInnes, Eric J. L.
;
Evangelisti, Marco;
Winpenny, Richard E. P.;
McInnes, Eric J. L.Abstract / Bemerkung
We report the synthesis and structure of a molecular {Gd-7} cage of the formula ((Pr2NH2)-Pr-i)(6)[Gd-7(mu(3)-OH)(3)(CO3)(6)((O2CBu)-Bu-t)(12)] which has crystallographic C-3h symmetry. Low temperature specific heat and adiabatic demagnetization experiments (the latter achieving temperatures below 100 mK), lead to the observation of the effects of both intramolecular dipolar interactions and geometric spin frustration. The dipolar interaction leads to a massive rearrangement of energy levels such that specific heat and entropy below 2 K are strongly modified while magnetic susceptibility and magnetization above 2 K are not affected. The consequences of these phenomena for low temperature magnetocaloric applications are discussed.
Erscheinungsjahr
2016
Zeitschriftentitel
CHEMICAL SCIENCE
Band
7
Ausgabe
8
Seite(n)
4891-4895
ISSN
2041-6520
eISSN
2041-6539
Page URI
https://pub.uni-bielefeld.de/record/2905643
Zitieren
Pineda EM, Lorusso G, Zangana KH, et al. Observation of the influence of dipolar and spin frustration effects on the magnetocaloric properties of a trigonal prismatic {Gd-7} molecular nanomagnet. CHEMICAL SCIENCE. 2016;7(8):4891-4895.
Pineda, E. M., Lorusso, G., Zangana, K. H., Palacios, E., Schnack, J., Evangelisti, M., Winpenny, R. E. P., et al. (2016). Observation of the influence of dipolar and spin frustration effects on the magnetocaloric properties of a trigonal prismatic {Gd-7} molecular nanomagnet. CHEMICAL SCIENCE, 7(8), 4891-4895. doi:10.1039/c6sc01415a
Pineda, Eufemio Moreno, Lorusso, Giulia, Zangana, Karzan H., Palacios, Elias, Schnack, Jürgen, Evangelisti, Marco, Winpenny, Richard E. P., and McInnes, Eric J. L. 2016. “Observation of the influence of dipolar and spin frustration effects on the magnetocaloric properties of a trigonal prismatic {Gd-7} molecular nanomagnet”. CHEMICAL SCIENCE 7 (8): 4891-4895.
Pineda, E. M., Lorusso, G., Zangana, K. H., Palacios, E., Schnack, J., Evangelisti, M., Winpenny, R. E. P., and McInnes, E. J. L. (2016). Observation of the influence of dipolar and spin frustration effects on the magnetocaloric properties of a trigonal prismatic {Gd-7} molecular nanomagnet. CHEMICAL SCIENCE 7, 4891-4895.
Pineda, E.M., et al., 2016. Observation of the influence of dipolar and spin frustration effects on the magnetocaloric properties of a trigonal prismatic {Gd-7} molecular nanomagnet. CHEMICAL SCIENCE, 7(8), p 4891-4895.
E.M. Pineda, et al., “Observation of the influence of dipolar and spin frustration effects on the magnetocaloric properties of a trigonal prismatic {Gd-7} molecular nanomagnet”, CHEMICAL SCIENCE, vol. 7, 2016, pp. 4891-4895.
Pineda, E.M., Lorusso, G., Zangana, K.H., Palacios, E., Schnack, J., Evangelisti, M., Winpenny, R.E.P., McInnes, E.J.L.: Observation of the influence of dipolar and spin frustration effects on the magnetocaloric properties of a trigonal prismatic {Gd-7} molecular nanomagnet. CHEMICAL SCIENCE. 7, 4891-4895 (2016).
Pineda, Eufemio Moreno, Lorusso, Giulia, Zangana, Karzan H., Palacios, Elias, Schnack, Jürgen, Evangelisti, Marco, Winpenny, Richard E. P., and McInnes, Eric J. L. “Observation of the influence of dipolar and spin frustration effects on the magnetocaloric properties of a trigonal prismatic {Gd-7} molecular nanomagnet”. CHEMICAL SCIENCE 7.8 (2016): 4891-4895.
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