Abstract
We have investigated the physical properties of the magnetic diluted triangular lattice antiferromagnetic system Li2Sc1-xSnxMo3O8. For all compounds, no mangetic ordering has been observed. On the other hand, the partial spin disappearing behavior is found in all Sn-substituted compounds except x = 0, which has been also observed in the similar magnetic system LiZn2Mo3O8. Considering the relationship between the crystal structure and the magnetism, the partial spin disappearance is properly explained by a formation of the valence bond glass derived from the randomness effect
Highlights
Geometrical frustrated magnetism have attracted much attention because of their possibility to host novel phenomena
The Weiss temperature θW and the effective paramagnetic Bohr magneton peff monotonically vary with increasing Sn substitution x, which is plotted in the inset of the trimers instead of the S = 1/2 [Mo3 ]11+ trimers
We studied the physical properties of the magnetic diluted triangular lattice antiferromagnetic systems Li2 Sc1−x Snx Mo3 O8
Summary
Geometrical frustrated magnetism have attracted much attention because of their possibility to host novel phenomena. Quantum spin frustrated magnets are expected to exhibit exotic ground states like a quantum spin liquid (QSL) state [1, 2, 3]. A strong spin frustration is realized in a characteristic lattice such as triangular, kagome (in 2D), face-centered cubic and pyrochlore lattice (in 3D). The highly frustrated spin liquid state is hard to be realized owing to the higher order magnetic interactions or coupling to other degrees of freedom such as lattice, valence, and orbital instabilities. Produced ground states may contain novel physics depending on characteristics of each compound. We discovered S = 1/2 triangular lattice cluster antiferromagnet Li2 ScMo3 O8 [4]
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