Magnetic order in highly frustrated KCeS2
Here we propose to study the magnetic structure in KCeS2. The system belongs to the delafossite family, offering disorder free, perfect triangular layers, which in combination with spin-1/2 moments is a model system for studying quantum spin liquid (QSL). Complete characterization confirmed the excellent quality of the sample, although revealed a magnetic order at temperatures below 400 mK. With the frustration factor of the order of 200, this system appears on the edge between conventional order and quantum disorder. Careful examination of the low-energy physics will shed light on the nature of QSL and on subtleties of interaction it depends on.
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ONYKIIENKO Yevhen; Dmytro Inosov; KULBAKOV Anton and PUENTE ORENCH Ines. (2020). Magnetic order in highly frustrated KCeS2. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.5-31-2704