Magnetic collapse and the change of electronic structure of FeBO3 antiferromagnet under high pressure
Тип публикации: Journal Article
Дата публикации: 2002-12-01
scimago Q3
wos Q3
БС1
SJR: 0.312
CiteScore: 2.3
Impact factor: 1.3
ISSN: 00213640, 10906487
Physics and Astronomy (miscellaneous)
Краткое описание
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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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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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 -
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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
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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, vol. 76, no. 11, Dec. 2002, pp. 664-669. https://doi.org/10.1134/1.1545580.
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