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Title: Evolution of the magnetic and structural properties of Fe 1 - x Co x V 2 O 4

Abstract

The magnetic and structural properties of single-crystal Fe1-xCoxV2O4 samples have been investigated by performing specific heat, susceptibility, neutron diffraction, and x-ray diffraction measurements. As the orbital-active Fe2+ ions with larger ionic size are gradually substituted by the orbital-inactive Co2+ ions with smaller ionic size, the system approaches the itinerant electron limit with decreasing V-V distance. Then, various factors such as the Jahn-Teller distortion and the spin-orbital coupling of the Fe2+ ions on the A sites and the orbital ordering and electronic itinerancy of the V3+ ions on the B sites compete with each other to produce a complex magnetic and structural phase diagram. Finally, this phase diagram is compared to those of Fe1-xMnxV2O4 and Mn1-xCoxV2O4 to emphasize several distinct features.

Authors:
 [1];  [1];  [2];  [2];  [2];  [1];  [1]
  1. Univ. of Tennessee, Knoxville, TN (United States)
  2. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Publication Date:
Research Org.:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
OSTI Identifier:
1344988
Alternate Identifier(s):
OSTI ID: 1224641
Grant/Contract Number:  
AC05-00OR22725
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review. B, Condensed Matter and Materials Physics
Additional Journal Information:
Journal Volume: 92; Journal Issue: 13; Journal ID: ISSN 1098-0121
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY

Citation Formats

Sinclair, R., Ma, Jie, Cao, H. B., Hong, Tao, Matsuda, Masaaki, Dun, Z. L., and Zhou, H. D. Evolution of the magnetic and structural properties of Fe1-xCoxV2O4. United States: N. p., 2015. Web. doi:10.1103/PhysRevB.92.134410.
Sinclair, R., Ma, Jie, Cao, H. B., Hong, Tao, Matsuda, Masaaki, Dun, Z. L., & Zhou, H. D. Evolution of the magnetic and structural properties of Fe1-xCoxV2O4. United States. https://doi.org/10.1103/PhysRevB.92.134410
Sinclair, R., Ma, Jie, Cao, H. B., Hong, Tao, Matsuda, Masaaki, Dun, Z. L., and Zhou, H. D. Mon . "Evolution of the magnetic and structural properties of Fe1-xCoxV2O4". United States. https://doi.org/10.1103/PhysRevB.92.134410. https://www.osti.gov/servlets/purl/1344988.
@article{osti_1344988,
title = {Evolution of the magnetic and structural properties of Fe1-xCoxV2O4},
author = {Sinclair, R. and Ma, Jie and Cao, H. B. and Hong, Tao and Matsuda, Masaaki and Dun, Z. L. and Zhou, H. D.},
abstractNote = {The magnetic and structural properties of single-crystal Fe1-xCoxV2O4 samples have been investigated by performing specific heat, susceptibility, neutron diffraction, and x-ray diffraction measurements. As the orbital-active Fe2+ ions with larger ionic size are gradually substituted by the orbital-inactive Co2+ ions with smaller ionic size, the system approaches the itinerant electron limit with decreasing V-V distance. Then, various factors such as the Jahn-Teller distortion and the spin-orbital coupling of the Fe2+ ions on the A sites and the orbital ordering and electronic itinerancy of the V3+ ions on the B sites compete with each other to produce a complex magnetic and structural phase diagram. Finally, this phase diagram is compared to those of Fe1-xMnxV2O4 and Mn1-xCoxV2O4 to emphasize several distinct features.},
doi = {10.1103/PhysRevB.92.134410},
journal = {Physical Review. B, Condensed Matter and Materials Physics},
number = 13,
volume = 92,
place = {United States},
year = {Mon Oct 12 00:00:00 EDT 2015},
month = {Mon Oct 12 00:00:00 EDT 2015}
}

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Cited by: 8 works
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