Berlin 2018 – wissenschaftliches Programm
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TT: Fachverband Tiefe Temperaturen
TT 72: Poster Session: Correlated Electrons
TT 72.42: Poster
Mittwoch, 14. März 2018, 15:00–19:00, Poster B
Kagome systems - The search for new quantum spin liquid candidates — •Katharina M. Zoch, Pascal Puphal, and Cornelius Krellner — Physikalisches Institut, Goethe-Universität Frankfurt, 60438 Frankfurt am Main
Kagome systems serve as the ideal candidates to obtain a realization of a quantum spin liquid (QSL), a class of matter where the spins do strongly fluctuate down to lowest temperatures thus preventing order. Two-dimensional Cu-based quantum spin systems are very promising to understand their physics. Hence high-quality single crystals with minimal amount of disorder are essential to investigate the intrinsic properties of QSLs. Two closely related systems realizing a kagome lattice are YCu3(OH)6Cl3 and Y3Cu9(OH)19Cl8 which both show strong frustration. However, while having a similar structure the magnetic ground state is different [1]. This poster addresses the synthesis and properties of these and other kagome compounds analyzed with diffraction, VSM and specific heat.
P.Puphal et al. J. Mater. Chem. C 5 (2017) 2629