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Title: Structural and magnetic properties of the 5d 2 double perovskites Sr 2 BReO 6 ( B = Y, In)

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.
Authors:
 [1] ;  [2] ;  [1] ;  [3] ;  [4] ;  [2]
  1. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  2. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Univ. of Tennessee, Knoxville, TN (United States)
  3. STFC Rutherford Appleton Lab., Oxfordshire (United Kingdom); Univ. of Johannesburg, Auckland Park (South Africa)
  4. STFC Rutherford Appleton Lab., Oxfordshire (United Kingdom)
Publication Date:
Grant/Contract Number:
AC05-00OR22725
Type:
Accepted Manuscript
Journal Name:
Physical Review B
Additional Journal Information:
Journal Volume: 93; Journal Issue: 21; Journal ID: ISSN 2469-9950
Publisher:
American Physical Society (APS)
Research Org:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
Country of Publication:
United States
Language:
English
Subject:
74 ATOMIC AND MOLECULAR PHYSICS; magnetism; double perovskites; rhenates
OSTI Identifier:
1256821
Alternate Identifier(s):
OSTI ID: 1256116

Aczel, A. A., Zhao, Z., Calder, S., Adroja, D. T., Baker, P. J., and Yan, J. -Q.. Structural and magnetic properties of the 5d2 double perovskites Sr2BReO6 (B = Y, In). United States: N. p., Web. doi:10.1103/PhysRevB.93.214407.
Aczel, A. A., Zhao, Z., Calder, S., Adroja, D. T., Baker, P. J., & Yan, J. -Q.. Structural and magnetic properties of the 5d2 double perovskites Sr2BReO6 (B = Y, In). United States. doi:10.1103/PhysRevB.93.214407.
Aczel, A. A., Zhao, Z., Calder, S., Adroja, D. T., Baker, P. J., and Yan, J. -Q.. 2016. "Structural and magnetic properties of the 5d2 double perovskites Sr2BReO6 (B = Y, In)". United States. doi:10.1103/PhysRevB.93.214407. https://www.osti.gov/servlets/purl/1256821.
@article{osti_1256821,
title = {Structural and magnetic properties of the 5d2 double perovskites Sr2BReO6 (B = Y, In)},
author = {Aczel, A. A. and Zhao, Z. and Calder, S. and Adroja, D. T. and Baker, P. J. and Yan, J. -Q.},
abstractNote = {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.},
doi = {10.1103/PhysRevB.93.214407},
journal = {Physical Review B},
number = 21,
volume = 93,
place = {United States},
year = {2016},
month = {6}
}