Orbital glass state of the nearly metallic spinel cobalt vanadate
Abstract
Strain, magnetization, dielectric relaxation, and unpolarized and polarized neutron diffraction measurements were performed to study the magnetic and structural properties of spinel Co1–xV2+xO4. The strain measurement indicates that, upon cooling, ΔL/L in the order of ~10–4 starts increasing below TC, becomes maximum at Tmax, and then decreases and changes its sign at T*. Neutron measurements indicate that a collinear ferrimagnetic order develops below TC and upon further cooling noncollinear ferrimagnetic ordering occurs below Tmax. At low temperatures, the dielectric constant exhibits a frequency dependence, indicating slow dynamics. Lastly, these results indicate the existence of an orbital glassy state at low temperatures in this nearly metallic frustrated magnet.
- Authors:
-
- Waseda Univ., Tokyo (Japan)
- Univ. of Virginia, Charlottesville, VA (United States)
- Helmholtz-Zentrum fur Materialien und Energie, Berlin (Germany)
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- Sophia Univ., Tokyo (Japan)
- Publication Date:
- Research Org.:
- Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States). High Flux Isotope Reactor (HFIR)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- OSTI Identifier:
- 1265995
- Alternate Identifier(s):
- OSTI ID: 1235611
- Grant/Contract Number:
- AC05-00OR22725; FG02-07ER46384
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physical Review Letters
- Additional Journal Information:
- Journal Volume: 116; Journal Issue: 3; Journal ID: ISSN 0031-9007
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
Citation Formats
Koborinai, R., Dissanayake, Sachith E., Reehuis, M., Matsuda, Masaaki, Kajita, T., Kuwahara, H., Lee, Seung -Hun, and Katsufuji, T. Orbital glass state of the nearly metallic spinel cobalt vanadate. United States: N. p., 2016.
Web. doi:10.1103/PhysRevLett.116.037201.
Koborinai, R., Dissanayake, Sachith E., Reehuis, M., Matsuda, Masaaki, Kajita, T., Kuwahara, H., Lee, Seung -Hun, & Katsufuji, T. Orbital glass state of the nearly metallic spinel cobalt vanadate. United States. https://doi.org/10.1103/PhysRevLett.116.037201
Koborinai, R., Dissanayake, Sachith E., Reehuis, M., Matsuda, Masaaki, Kajita, T., Kuwahara, H., Lee, Seung -Hun, and Katsufuji, T. Tue .
"Orbital glass state of the nearly metallic spinel cobalt vanadate". United States. https://doi.org/10.1103/PhysRevLett.116.037201. https://www.osti.gov/servlets/purl/1265995.
@article{osti_1265995,
title = {Orbital glass state of the nearly metallic spinel cobalt vanadate},
author = {Koborinai, R. and Dissanayake, Sachith E. and Reehuis, M. and Matsuda, Masaaki and Kajita, T. and Kuwahara, H. and Lee, Seung -Hun and Katsufuji, T.},
abstractNote = {Strain, magnetization, dielectric relaxation, and unpolarized and polarized neutron diffraction measurements were performed to study the magnetic and structural properties of spinel Co1–xV2+xO4. The strain measurement indicates that, upon cooling, ΔL/L in the order of ~10–4 starts increasing below TC, becomes maximum at Tmax, and then decreases and changes its sign at T*. Neutron measurements indicate that a collinear ferrimagnetic order develops below TC and upon further cooling noncollinear ferrimagnetic ordering occurs below Tmax. At low temperatures, the dielectric constant exhibits a frequency dependence, indicating slow dynamics. Lastly, these results indicate the existence of an orbital glassy state at low temperatures in this nearly metallic frustrated magnet.},
doi = {10.1103/PhysRevLett.116.037201},
journal = {Physical Review Letters},
number = 3,
volume = 116,
place = {United States},
year = {Tue Jan 19 00:00:00 EST 2016},
month = {Tue Jan 19 00:00:00 EST 2016}
}
Web of Science
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Works referencing / citing this record:
Spin-Orbital Correlated Dynamics in the Spinel-Type Vanadium Oxide
journal, July 2017
- Matsuura, Keisuke; Sagayama, Hajime; Uehara, Amane
- Physical Review Letters, Vol. 119, Issue 1
A variety of elastic anomalies in orbital-active nearly-itinerant cobalt vanadate spinel
text, January 2017
- Watanabe, Tadataka; Yamada, Shogo; Koborinai, Rui
- arXiv