English
 
Help Privacy Policy Disclaimer
  Advanced SearchBrowse

Item

ITEM ACTIONSEXPORT
Add to Basket
  Local TagsRelease HistoryDetailsSummary

Released
Journal Article

Long-Range Antiferromagnetic Order on Spin Ladders SrFe2S2O and SrFe2Se2O As Probed by Neutron Diffraction and Mossbauer Spectroscopy

MPS-Authors
/persons/resource/persons180435

Guo,  Hanjie
Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

/persons/resource/persons126701

Komarek,  Alexander Christoph
Alexander Komarek, Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

/persons/resource/persons126506

Adler,  Peter
Peter Adler, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

/persons/resource/persons126889

Valldor,  Martin
Martin Valldor, Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

External Resource
No external resources are shared
Fulltext (restricted access)
There are currently no full texts shared for your IP range.
Fulltext (public)
There are no public fulltexts stored in PuRe
Supplementary Material (public)
There is no public supplementary material available
Citation

Guo, H., Fernández-Díaz, M.-T., Komarek, A. C., Huh, S., Adler, P., & Valldor, M. (2017). Long-Range Antiferromagnetic Order on Spin Ladders SrFe2S2O and SrFe2Se2O As Probed by Neutron Diffraction and Mossbauer Spectroscopy. European Journal of Inorganic Chemistry, (32), 3829-3833. doi:10.1002/ejic.201700684.


Cite as: https://hdl.handle.net/11858/00-001M-0000-002D-F597-0
Abstract
Powder neutron diffraction data on spin ladder compounds SrFe(2)Ch(2)O (Ch = S, Se) indicate that their magnetic ground states feature long-range antiferromagnetic spin ordering with k = [0,0,0]. The superexchange interaction is antiferromagnetic across each rung via oxygen but ferromagnetic along the ladders via Ch. At 10 K, the ordered spins point towards the center of the ladders but are faintly canted away from a collinear state. The sizes of the ordered moments are 3.3 and 3.5 mu(B) Fe-1 for SrFe2S2O and SrFe2Se2O, respectively. The polar, heteroleptic, tetrahedral FeCh(3)O coordination suggests an angle of 8 degrees between the local structure polarity and the magnetic moment spin orientation. Mossbauer spectroscopic data confirm the magnetic ordering scenario and indicate that the local Fe-O bond rules the electric field gradient at the Fe-site.