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Title: Phase diagram and magnetic structures of the Co-bearing dugganites Pb3TeCo3A2O14 (A = V, P)

Abstract

Exhibiting rich magnetic behaviour and potentially multiferroic properties, the dugganites, a Te^6+ containing subgroup of the langasite series, are an attractive family of compounds for future study. It was recently shown that Pb-bearing members of the dugganite series undergo distortions away from the P321 symmetry that is characteristic of the langasites. Here, we detail the consequences these distortions have on the magnetism exhibited by Pb3TeCo3V2O14 and Pb3TeCo3P2O14, solving the magnetic structures of both compounds with respect to a new supercell. Using neutron scattering and magnetic susceptibility measurements, we show that small applied magnetic fields can seriously perturb the delicate magnetic states in both of these systems. This is further demonstrated by presenting how doping P^5+ onto the nonmagnetic V^5+ site completely changes the magnetic structure from either of the end series members. Finally, it is shown using inelastic neutron scattering and magnetic susceptibility measurements that Pb3TeCo3V2O14 can be characterized using a model for isosceles trimers, which do not exist in the previously reported P321 subcell.

Authors:
 [1];  [1];  [1];  [1];  [2];  [2];  [3];  [4];  [5];  [5];  [6]
  1. University of Manitoda, Winnipeg, Canada
  2. National Research Council of Canada
  3. Department of Physics and Astronomy, University of Tennessee
  4. ISIS Facility, Rutherford Appleton Laboratory
  5. ORNL
  6. University of Winnipeg
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Spallation Neutron Source (SNS)
Sponsoring Org.:
USDOE Office of Science (SC)
OSTI Identifier:
1082112
DOE Contract Number:  
DE-AC05-00OR22725
Resource Type:
Journal Article
Journal Name:
Journal of Physics: Condensed Matter
Additional Journal Information:
Journal Volume: 25; Journal Issue: 24; Journal ID: ISSN 0953--8984
Country of Publication:
United States
Language:
English

Citation Formats

Silverstein, H. J., Sharma, A. Z., Stoller, A. J., Cruz-Kan, K., Flacau, Roxana, Donaberger, R. L., Zhou, H. D., Manuel, P., Huq, Ashfia, Kolesnikov, Alexander I, and Wiebe, Christopher. Phase diagram and magnetic structures of the Co-bearing dugganites Pb3TeCo3A2O14 (A = V, P). United States: N. p., 2013. Web. doi:10.1088/0953-8984/25/24/246004.
Silverstein, H. J., Sharma, A. Z., Stoller, A. J., Cruz-Kan, K., Flacau, Roxana, Donaberger, R. L., Zhou, H. D., Manuel, P., Huq, Ashfia, Kolesnikov, Alexander I, & Wiebe, Christopher. Phase diagram and magnetic structures of the Co-bearing dugganites Pb3TeCo3A2O14 (A = V, P). United States. https://doi.org/10.1088/0953-8984/25/24/246004
Silverstein, H. J., Sharma, A. Z., Stoller, A. J., Cruz-Kan, K., Flacau, Roxana, Donaberger, R. L., Zhou, H. D., Manuel, P., Huq, Ashfia, Kolesnikov, Alexander I, and Wiebe, Christopher. 2013. "Phase diagram and magnetic structures of the Co-bearing dugganites Pb3TeCo3A2O14 (A = V, P)". United States. https://doi.org/10.1088/0953-8984/25/24/246004.
@article{osti_1082112,
title = {Phase diagram and magnetic structures of the Co-bearing dugganites Pb3TeCo3A2O14 (A = V, P)},
author = {Silverstein, H. J. and Sharma, A. Z. and Stoller, A. J. and Cruz-Kan, K. and Flacau, Roxana and Donaberger, R. L. and Zhou, H. D. and Manuel, P. and Huq, Ashfia and Kolesnikov, Alexander I and Wiebe, Christopher},
abstractNote = {Exhibiting rich magnetic behaviour and potentially multiferroic properties, the dugganites, a Te^6+ containing subgroup of the langasite series, are an attractive family of compounds for future study. It was recently shown that Pb-bearing members of the dugganite series undergo distortions away from the P321 symmetry that is characteristic of the langasites. Here, we detail the consequences these distortions have on the magnetism exhibited by Pb3TeCo3V2O14 and Pb3TeCo3P2O14, solving the magnetic structures of both compounds with respect to a new supercell. Using neutron scattering and magnetic susceptibility measurements, we show that small applied magnetic fields can seriously perturb the delicate magnetic states in both of these systems. This is further demonstrated by presenting how doping P^5+ onto the nonmagnetic V^5+ site completely changes the magnetic structure from either of the end series members. Finally, it is shown using inelastic neutron scattering and magnetic susceptibility measurements that Pb3TeCo3V2O14 can be characterized using a model for isosceles trimers, which do not exist in the previously reported P321 subcell.},
doi = {10.1088/0953-8984/25/24/246004},
url = {https://www.osti.gov/biblio/1082112}, journal = {Journal of Physics: Condensed Matter},
issn = {0953--8984},
number = 24,
volume = 25,
place = {United States},
year = {Tue Jan 01 00:00:00 EST 2013},
month = {Tue Jan 01 00:00:00 EST 2013}
}