Averievite: A copper oxide kagome antiferromagnet
Abstract
Averievite, Cu5V2O10(CsCl), is an oxide mineral composed of Cu2+ kagome layers sandwiched by Cu2+-V5+ honeycomb layers. We have synthesized this oxide and investigated its properties from ab initio calculations along with susceptibility and specific heat measurements. The data imply a Curie-Weiss temperature of 185K as well as long-range magnetic order at 24 K due to the significant interlayer coupling from the honeycomb copper ions. This order is suppressed by substituting copper by isoelectronic zinc, suggesting that Zn-substituted averievite is a promising spin liquid candidate. A further proposed substitution that replaces V5+ by Ti4+ not only dopes the material but is predicted to give rise to a two-dimensional electronic structure featuring Dirac crossings. Thus, averievite is an attractive platform for S =1/2 kagome physics with the potential for realizing novel electronic states.
- Authors:
-
- Argonne National Lab. (ANL) Lemont, IL (United States)
- Publication Date:
- Research Org.:
- Argonne National Lab. (ANL) Lemont, IL (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- OSTI Identifier:
- 1506419
- Alternate Identifier(s):
- OSTI ID: 1465621
- Grant/Contract Number:
- AC02-06CH11357
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physical Review B
- Additional Journal Information:
- Journal Volume: 98; Journal Issue: 5; Journal ID: ISSN 2469-9950
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; 36 MATERIALS SCIENCE
Citation Formats
Botana, Antia Sanchez, Zheng, H., Lapidus, S. H., Mitchell, J. F., and Norman, M. R. Averievite: A copper oxide kagome antiferromagnet. United States: N. p., 2018.
Web. doi:10.1103/PhysRevB.98.054421.
Botana, Antia Sanchez, Zheng, H., Lapidus, S. H., Mitchell, J. F., & Norman, M. R. Averievite: A copper oxide kagome antiferromagnet. United States. https://doi.org/10.1103/PhysRevB.98.054421
Botana, Antia Sanchez, Zheng, H., Lapidus, S. H., Mitchell, J. F., and Norman, M. R. Tue .
"Averievite: A copper oxide kagome antiferromagnet". United States. https://doi.org/10.1103/PhysRevB.98.054421. https://www.osti.gov/servlets/purl/1506419.
@article{osti_1506419,
title = {Averievite: A copper oxide kagome antiferromagnet},
author = {Botana, Antia Sanchez and Zheng, H. and Lapidus, S. H. and Mitchell, J. F. and Norman, M. R.},
abstractNote = {Averievite, Cu5V2O10(CsCl), is an oxide mineral composed of Cu2+ kagome layers sandwiched by Cu2+-V5+ honeycomb layers. We have synthesized this oxide and investigated its properties from ab initio calculations along with susceptibility and specific heat measurements. The data imply a Curie-Weiss temperature of 185K as well as long-range magnetic order at 24 K due to the significant interlayer coupling from the honeycomb copper ions. This order is suppressed by substituting copper by isoelectronic zinc, suggesting that Zn-substituted averievite is a promising spin liquid candidate. A further proposed substitution that replaces V5+ by Ti4+ not only dopes the material but is predicted to give rise to a two-dimensional electronic structure featuring Dirac crossings. Thus, averievite is an attractive platform for S =1/2 kagome physics with the potential for realizing novel electronic states.},
doi = {10.1103/PhysRevB.98.054421},
journal = {Physical Review B},
number = 5,
volume = 98,
place = {United States},
year = {Tue Aug 21 00:00:00 EDT 2018},
month = {Tue Aug 21 00:00:00 EDT 2018}
}
Web of Science
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