Regensburg 2013 – wissenschaftliches Programm
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TT: Fachverband Tiefe Temperaturen
TT 55: Correlated Electrons: Low-Dimensional Systems -Materials 2
TT 55.8: Vortrag
Donnerstag, 14. März 2013, 11:30–11:45, H21
Similarities between the phase diagrams of the S=3/2 Heisenberg spin chains CrXO4 [X=V,P] — •Joseph Law1, Tobias Foerster1, Robert Glaum2, and Reinhard Kremer3 — 1Hochfeld-Magnetlabor Dresden, Helmholtz-Zentrum Dresden-Rossendorf, 01314 Dresden, Germany — 2Institut für Anorganische Chemie, Universität Bonn, 53121 Bonn, Germany — 3Max-Planck-Institut für Festkörperforschung, Heisenbergstr. 1, D-70569 Stuttgart, Germany
CrVO4 and CrPO4 both adopt the same structure type. They can be well described as S=3/2 Heisenberg spin chains with predominant nearest-neighbour only spin exchange interaction. We show here an in-depth investigation into the magnetic structures of both compounds which is complimented by magnetic property measurements. Wherein, we’ve shown that both compounds exhibit a high field phase transition into an unknown state.