Magnetic excitation spectrum a the new 3-dimensional frustrated quantum magnet
Frustration in isotropic magnetic compounds occurs where the magnetic ions are connected by antiferromagnetic interactions into triangular or tetrahedral motifs, or where first and further neighbor interactions give rise to competing magnetic structures. Three-dimensional frustrated magnets usually have a pyrochlore magnetic lattice (network of corner-sharing tetrahedra) or hyperkagome magnetic lattice (network of corner-sharing triangles). Here we propose to investigate a new frustrated three-dimensional lattice that consists of tetrahedral units of magnetic ions that are connected together by an intermediate magnetic ion into a three-dimensional network. No evidence for long-range magnetic order has been found down to T=0.3 K and the magnetic ions have spin-1/2 suggesting that it is a potentially highly frustrated quantum magnet.
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KARMAKAR Koushik; FAK Bjorn; ISLAM A T M Nazmul and Bella Lake. (2021). Magnetic excitation spectrum a the new 3-dimensional frustrated quantum magnet. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.4-05-844
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