Structural and magnetic properties of the 5d2 double perovskites Sr2BReO6 (B = Y, In)
                    Journal Article
                    ·
                    
                    · Physical Review B
                    
                
            - Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Univ. of Tennessee, Knoxville, TN (United States)
- STFC Rutherford Appleton Lab., Oxfordshire (United Kingdom); Univ. of Johannesburg, Auckland Park (South Africa)
- STFC Rutherford Appleton Lab., Oxfordshire (United Kingdom)
With this study, we have performed magnetic susceptibility, heat capacity, neutron powder diffraction, and muon spin relaxation experiments to investigate the magnetic ground states of the 5$d^2$ double perovskites Sr$$_2$$YReO$$_6$$ and Sr$$_2$$InReO$$_6$$. We find that Sr$$_2$$YReO$$_6$$ is a spin glass, while Sr$$_2$$InReO$$_6$$ hosts a non-magnetic singlet state. By making detailed comparisons with other 5$d^2$ double perovskites, we argue that a delicate interplay between spin-orbit coupling, non-cubic crystal fields, and exchange interactions plays a key role in the great variation of magnetic ground states observed for this family of materials.
- Research Organization:
- Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
- Grant/Contract Number:
- AC05-00OR22725
- OSTI ID:
- 1256821
- Journal Information:
- Physical Review B, Journal Name: Physical Review B Journal Issue: 21 Vol. 93; ISSN 2469-9950; ISSN PRBMDO
- Publisher:
- American Physical Society (APS)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
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