Structure-related frustrated magnetism of nanosized polyoxometalates: aesthetics and properties in harmony

Kögerler P, Tsukerblat B, Müller A (2010)
DALTON TRANSACTIONS 39(1): 21-36.

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Abstract
The structural versatility characterizing polyoxometalate chemistry, in combination with the option to deliberately use well-defined building blocks, serves as the foundation for the generation of a large family of magnetic clusters, frequently comprising highly symmetric spin arrays. If the spin centers are coupled by antiferromagnetic exchange, some of these systems exhibit spin frustration, which can result in novel magnetic properties of purely molecular origins. We discuss here the magnetic properties of selected nanosized polyoxometalate clusters featuring spin triangles as their magnetic 'building blocks' or fragments. This includes unique porous Keplerate clusters of the type {(Mo)Mo-5}(12)M-30 (M = Fe-III, Cr-III, V-IV) with the spin centers defining a regular icosidodecahedron and the {V15As6}-type cluster sphere containing a single equilateral spin triangle; these species are widely discussed and studied in the literature for their role in materials science as molecular representations of Kagome lattices and in relation to quantum computing, respectively. Exhibiting fascinating and unique structural features, these magnetic molecules allow the study of the implications of frustrated spin ordering. Furthermore, this perspective covers the impact of spin frustration on the degeneracy of the ground state and related problems, namely strong magnetic anisotropy and the interplay of antisymmetric exchange and structural Jahn-Teller effects.
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Kögerler P, Tsukerblat B, Müller A. Structure-related frustrated magnetism of nanosized polyoxometalates: aesthetics and properties in harmony. DALTON TRANSACTIONS. 2010;39(1):21-36.
Kögerler, P., Tsukerblat, B., & Müller, A. (2010). Structure-related frustrated magnetism of nanosized polyoxometalates: aesthetics and properties in harmony. DALTON TRANSACTIONS, 39(1), 21-36.
Kögerler, P., Tsukerblat, B., and Müller, A. (2010). Structure-related frustrated magnetism of nanosized polyoxometalates: aesthetics and properties in harmony. DALTON TRANSACTIONS 39, 21-36.
Kögerler, P., Tsukerblat, B., & Müller, A., 2010. Structure-related frustrated magnetism of nanosized polyoxometalates: aesthetics and properties in harmony. DALTON TRANSACTIONS, 39(1), p 21-36.
P. Kögerler, B. Tsukerblat, and A. Müller, “Structure-related frustrated magnetism of nanosized polyoxometalates: aesthetics and properties in harmony”, DALTON TRANSACTIONS, vol. 39, 2010, pp. 21-36.
Kögerler, P., Tsukerblat, B., Müller, A.: Structure-related frustrated magnetism of nanosized polyoxometalates: aesthetics and properties in harmony. DALTON TRANSACTIONS. 39, 21-36 (2010).
Kögerler, Paul, Tsukerblat, Boris, and Müller, Achim. “Structure-related frustrated magnetism of nanosized polyoxometalates: aesthetics and properties in harmony”. DALTON TRANSACTIONS 39.1 (2010): 21-36.
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