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Spin and orbital frustration in MnSc2S4 and FeSc2S4.
MedLine Citation:
PMID:  15089155     Owner:  NLM     Status:  PubMed-not-MEDLINE    
Abstract/OtherAbstract:
Crystal structure, magnetic susceptibility, and specific heat were measured in the normal cubic spinel compounds MnSc2S4 and FeSc2S4. Down to the lowest temperatures, both compounds remain cubic and reveal strong magnetic frustration. Specifically the Fe compound is characterized by a Curie-Weiss (CW) temperature ThetaCW = -45 K and does not show any indications of order down to 50 mK. In addition, the Jahn-Teller ion Fe2+ is orbitally frustrated. Hence, FeSc2S4 belongs to the rare class of spin-orbital liquids. MnSc2S4 is a spin liquid for temperatures T>TN approximately 2 K.
Authors:
V Fritsch; J Hemberger; N Büttgen; E-W Scheidt; H-A Krug von Nidda; A Loidl; V Tsurkan
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Publication Detail:
Type:  Journal Article     Date:  2004-03-18
Journal Detail:
Title:  Physical review letters     Volume:  92     ISSN:  0031-9007     ISO Abbreviation:  Phys. Rev. Lett.     Publication Date:  2004 Mar 
Date Detail:
Created Date:  2004-04-19     Completed Date:  2004-05-19     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0401141     Medline TA:  Phys Rev Lett     Country:  United States    
Other Details:
Languages:  eng     Pagination:  116401     Citation Subset:  -    
Affiliation:
Experimentalphysik V, Center for Electronic Correlations and Magnetism, Institut für Physik, Universität Augsburg, D-86159 Augsburg, Germany.
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