Gd-3 Triangles in a Polyoxometalate Matrix: Tuning Molecular Magnetocaloric Effects in {Gd30M8} Polyoxometalate/Cluster Hybrids Through Variation of M2+
Ibrahim M, Peng Y, Moreno-Pineda E, Anson CE, Schnack J, Powell AK (2021)
Small Structures 2(10): 2100052.
Zeitschriftenaufsatz
| Veröffentlicht | Englisch
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Autor*in
Ibrahim, Masooma;
Peng, Yan;
Moreno-Pineda, Eufemio;
Anson, Christopher E.;
Schnack, JürgenUniBi 
;
Powell, Annie K.
;
Powell, Annie K.Abstract / Bemerkung
The syntheses and structures of a family of five new Ln/3d cluster containing polyoxometalates (POMs) [{(GeW9O34)(2)Ln(3)(III)(CO3)(OH2)(3)}(6){3M(2)(II)Ln(3)(III)(mu(3)-OH)(6) (OH2)(6)}(4)](50-) {Ln(30)M(8)}, where Ln = Gd or Y, and M = Zn, Mn, Co, are presented. This structural motif of a giant tetrahedron contains {Ln(3)(III)} and {M(2)(II)Ln(3)(III)}cluster units which are well-isolated within the diamagnetic polyoxotungstate system. The magnetic properties of {Gd30Mn8}, {Y30Mn8} and {Gd30Zn8} can be successfully modeled using a Heisenberg approach. Investigation of their magnetocaloric effect (MCE) reveals that this can be tuned through variation of the 3d metal ion. This is the first such systematic study on heterometallic 3d-4f- POM clusters. The {Gd30Zn8} analogue illustrates a promising way forward to magnetic cooling at sub-Kelvin temperatures.
Stichworte
heterometallics;
lanthanides;
magnetocaloric effects;
molecular;
magnetism;
polyoxometalates;
(3d/4f)
Erscheinungsjahr
2021
Zeitschriftentitel
Small Structures
Band
2
Ausgabe
10
Art.-Nr.
2100052
eISSN
2688-4062
Page URI
https://pub.uni-bielefeld.de/record/2958906
Zitieren
Ibrahim M, Peng Y, Moreno-Pineda E, Anson CE, Schnack J, Powell AK. Gd-3 Triangles in a Polyoxometalate Matrix: Tuning Molecular Magnetocaloric Effects in {Gd30M8} Polyoxometalate/Cluster Hybrids Through Variation of M2+. Small Structures. 2021;2(10): 2100052.
Ibrahim, M., Peng, Y., Moreno-Pineda, E., Anson, C. E., Schnack, J., & Powell, A. K. (2021). Gd-3 Triangles in a Polyoxometalate Matrix: Tuning Molecular Magnetocaloric Effects in {Gd30M8} Polyoxometalate/Cluster Hybrids Through Variation of M2+. Small Structures, 2(10), 2100052. https://doi.org/10.1002/sstr.202100052
Ibrahim, Masooma, Peng, Yan, Moreno-Pineda, Eufemio, Anson, Christopher E., Schnack, Jürgen, and Powell, Annie K. 2021. “Gd-3 Triangles in a Polyoxometalate Matrix: Tuning Molecular Magnetocaloric Effects in {Gd30M8} Polyoxometalate/Cluster Hybrids Through Variation of M2+”. Small Structures 2 (10): 2100052.
Ibrahim, M., Peng, Y., Moreno-Pineda, E., Anson, C. E., Schnack, J., and Powell, A. K. (2021). Gd-3 Triangles in a Polyoxometalate Matrix: Tuning Molecular Magnetocaloric Effects in {Gd30M8} Polyoxometalate/Cluster Hybrids Through Variation of M2+. Small Structures 2:2100052.
Ibrahim, M., et al., 2021. Gd-3 Triangles in a Polyoxometalate Matrix: Tuning Molecular Magnetocaloric Effects in {Gd30M8} Polyoxometalate/Cluster Hybrids Through Variation of M2+. Small Structures, 2(10): 2100052.
M. Ibrahim, et al., “Gd-3 Triangles in a Polyoxometalate Matrix: Tuning Molecular Magnetocaloric Effects in {Gd30M8} Polyoxometalate/Cluster Hybrids Through Variation of M2+”, Small Structures, vol. 2, 2021, : 2100052.
Ibrahim, M., Peng, Y., Moreno-Pineda, E., Anson, C.E., Schnack, J., Powell, A.K.: Gd-3 Triangles in a Polyoxometalate Matrix: Tuning Molecular Magnetocaloric Effects in {Gd30M8} Polyoxometalate/Cluster Hybrids Through Variation of M2+. Small Structures. 2, : 2100052 (2021).
Ibrahim, Masooma, Peng, Yan, Moreno-Pineda, Eufemio, Anson, Christopher E., Schnack, Jürgen, and Powell, Annie K. “Gd-3 Triangles in a Polyoxometalate Matrix: Tuning Molecular Magnetocaloric Effects in {Gd30M8} Polyoxometalate/Cluster Hybrids Through Variation of M2+”. Small Structures 2.10 (2021): 2100052.
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