Non-magnetic impurities in a strong-leg spin ladder

DOI

Th S = ½ AF spin ladder is one of the most important models in quantum magnetism. While its properties throughout the (H,T)-phase diagram may be considered to be well understood now, the effect of non-magnetic impurities remains a challenging task. We propose to study the effect of impurities in the spin-ladder material DIMPY, doped with non-magnetic Zinc. Our previous thermodynamic, neutron scattering and NMR experiments in combination with numerical studies, proved that DIMPY is a perfect Heisenberg spin-ladder. Hereby, we propose to study the real-space shape of emerging 'spin islands' around Zinc ions. Using the LET spectrometer at ISIS, we propose to study the low-energy spectrum at H=2T and in particular, the M_S = -1/2 -> M_S = 1/2 (local) transition of spin-islands. We apply for 3 days of beamtime. A vertical magnet (H<3T) and dilution temperatures are required.

Identifier
DOI https://doi.org/10.5286/ISIS.E.61779811
Metadata Access https://icatisis.esc.rl.ac.uk/oaipmh/request?verb=GetRecord&metadataPrefix=oai_datacite&identifier=oai:icatisis.esc.rl.ac.uk:inv/61779811
Provenance
Creator Dr David Schmidiger; Dr Kirill Povarov; Ms Nicole Reynolds; Dr Wolfram Lorenz; Dr Rob Bewley; Professor Andrey Zheludev
Publisher ISIS Neutron and Muon Source
Publication Year 2018
Rights CC-BY Attribution 4.0 International; https://creativecommons.org/licenses/by/4.0/
OpenAccess true
Contact isisdata(at)stfc.ac.uk
Representation
Resource Type Dataset
Discipline Natural Sciences; Physics
Temporal Coverage Begin 2015-06-18T09:00:00Z
Temporal Coverage End 2015-07-14T17:21:30Z