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Spin jam induced by quantum fluctuations in a frustrated magnet #MMPMID26324917
Yang J; Samarakoon A; Dissanayake S; Ueda H; Klich I; Iida K; Pajerowski D; Butch NP; Huang Q; Copley JRD; Lee SH
Proc Natl Acad Sci U S A 2015[Sep]; 112 (37): 11519-23 PMID26324917show ga
We report experimental evidence for a glassy state induced by quantum fluctuations, a spin jam, that is realized in SrCr9pGa12-9pO19 [SCGO(p)], a highly frustrated magnet, in which the magnetic Cr3+ (s = 3/2) ions form a quasi-two-dimensional triangular system of bipyramids. Our new experimental data and our theoretical spin jam model provide, for the first time, to our knowledge, a coherent understanding of the existing experimental data of this fascinating system. Furthermore, our findings strongly support the possible existence of purely topological glassy states.