μSR study of a quantum spin liquid candidate: the S = 1/2 vanadium oxyfluoride kagome antiferromagnet

J C Orain, Lucy Clark, F Bert, P Mendels, P Attfield, F H Aidoudi, Russell E. Morris, P. Lightfoot, A Amato, C Baines

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Abstract

We present a detailed μSR study of the recently synthesized compound, [NH4]2[C7H14N][V7O6F18] (DQVOF), a geometrically frustrated magnetic material, both in longitudinal and transverse configurations. The μSR measurements in zero and longitudinal field show that there is no spin freezing down to 20 mK which is the key requirement for a quantum spin liquid state. Further experiments in transverse field single out two contributions with different shift and broadening which shed a new light on the location of the muons stopping sites.
Original languageEnglish
Number of pages6
JournalJournal of Physics: Conference Series
Volume551
DOIs
Publication statusPublished - 2014
Event13th International Conference on Muon Spin Rotation, Relaxation and Resonance - Switzerland, Grindelwald, Switzerland
Duration: 1 Jun 20146 Jun 2014

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