Magnetic collapse and the change of electronic structure of FeBO3 antiferromagnet under high pressure
Publication type: Journal Article
Publication date: 2002-12-01
scimago Q3
wos Q3
SJR: 0.312
CiteScore: 2.3
Impact factor: 1.3
ISSN: 00213640, 10906487
Physics and Astronomy (miscellaneous)
Abstract
The effect of high pressures up to 60 GPa on single-crystal and polycrystalline samples of iron borate 57FeBO3 was studied by Mössbauer absorption spectroscopy (57Fe nuclei) in a diamond anvil cell. Magnetic field Hhf at the 57Fe nuclei increases with pressure but abruptly drops to zero at 46±2 GPa, indicating the crystal transition from the antiferromagnetic to nonmagnetic state. This is accompanied by an abrupt change in the isomer shift and quadrupole splitting. Their values in the high-pressure phase are evidence for the transition of Fe+3 ions from a high-spin (S=5/2, 6A1g) to low-spin (S=1/2, 6T2g) state (spin crossover). This correlates with an abrupt decrease in the unit-cell volume (by ∼9%) and optical gap. The change of the magnetic and electronic structures is explained by Mott’s transition with rupturing of strong d-d-electron correlations.
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Total citations:
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Citations from 2024:
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Sarkisyan V. A. et al. Magnetic collapse and the change of electronic structure of FeBO3 antiferromagnet under high pressure // JETP Letters. 2002. Vol. 76. No. 11. pp. 664-669.
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Sarkisyan V. A., Troyan I. A., Lyubutin I. S., Gavrilyuk A., Kashuba A. F. Magnetic collapse and the change of electronic structure of FeBO3 antiferromagnet under high pressure // JETP Letters. 2002. Vol. 76. No. 11. pp. 664-669.
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RIS
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TY - JOUR
DO - 10.1134/1.1545580
UR - https://doi.org/10.1134/1.1545580
TI - Magnetic collapse and the change of electronic structure of FeBO3 antiferromagnet under high pressure
T2 - JETP Letters
AU - Sarkisyan, V. A.
AU - Troyan, I A
AU - Lyubutin, I S
AU - Gavrilyuk, A.G.
AU - Kashuba, A F
PY - 2002
DA - 2002/12/01
PB - Pleiades Publishing
SP - 664-669
IS - 11
VL - 76
SN - 0021-3640
SN - 1090-6487
ER -
Cite this
BibTex (up to 50 authors)
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@article{2002_Sarkisyan,
author = {V. A. Sarkisyan and I A Troyan and I S Lyubutin and A.G. Gavrilyuk and A F Kashuba},
title = {Magnetic collapse and the change of electronic structure of FeBO3 antiferromagnet under high pressure},
journal = {JETP Letters},
year = {2002},
volume = {76},
publisher = {Pleiades Publishing},
month = {dec},
url = {https://doi.org/10.1134/1.1545580},
number = {11},
pages = {664--669},
doi = {10.1134/1.1545580}
}
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MLA
Copy
Sarkisyan, V. A., et al. “Magnetic collapse and the change of electronic structure of FeBO3 antiferromagnet under high pressure.” JETP Letters, vol. 76, no. 11, Dec. 2002, pp. 664-669. https://doi.org/10.1134/1.1545580.
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