Pleiades Publishing
JETP Letters
,  volume 114 ,  issue 12 ,  pages 742-750

Phase Transition in Y3Fe5O12 at High Pressures Observed by Raman Spectroscopy

Publication type: Journal Article
Publication date: 2021-12-01
Pleiades Publishing
scimago Q3
wos Q3
SJR: 0.312
CiteScore: 2.3
Impact factor: 1.3
ISSN: 00213640, 10906487
Physics and Astronomy (miscellaneous)
Abstract
The vibrational properties of yttrium iron garnet Y3Fe5O12 at a high quasihydrostatic pressure are studied by the Raman spectroscopy method. Raman spectra are measured in a high-pressure diamond anvil cell in the pressure range of 0–72 GPa at room temperature. A fundamental change in the character of spectra with the disappearance of sharp peaks is detected near ~50 GPa. This confirms a phase transition from the crystalline to amorphous state, which was previously detected by other experimental methods. This transition is accompanied by spin crossover in Fe3+ ions, which transit from the high-spin (HS, S = 5/2) to low-spin (LS, S = 1/2) state. The pressure dependences of phonon modes in Y3Fe5O12 are measured from atmospheric pressure to the critical phase transition pressure.
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GOST Copy
Aksenov S. N. et al. Phase Transition in Y3Fe5O12 at High Pressures Observed by Raman Spectroscopy // JETP Letters. 2021. Vol. 114. No. 12. pp. 742-750.
GOST all authors (up to 50) Copy
Aksenov S. N., MIRONOVICH A. A., Lyubutin I. S., Ivanova A. G., Troyan I. A., Sadykov R. A., Saxen Montua S. S., Gavriliuk A. G. Phase Transition in Y3Fe5O12 at High Pressures Observed by Raman Spectroscopy // JETP Letters. 2021. Vol. 114. No. 12. pp. 742-750.
RIS |
Cite this
RIS Copy
TY - JOUR
DO - 10.1134/S0021364021240036
UR - https://doi.org/10.1134/S0021364021240036
TI - Phase Transition in Y3Fe5O12 at High Pressures Observed by Raman Spectroscopy
T2 - JETP Letters
AU - Aksenov, S. N.
AU - MIRONOVICH, A. A.
AU - Lyubutin, I S
AU - Ivanova, A G
AU - Troyan, I A
AU - Sadykov, R. A.
AU - Saxen Montua, Siddharth S
AU - Gavriliuk, A. G.
PY - 2021
DA - 2021/12/01
PB - Pleiades Publishing
SP - 742-750
IS - 12
VL - 114
SN - 0021-3640
SN - 1090-6487
ER -
BibTex |
Cite this
BibTex (up to 50 authors) Copy
@article{2021_Aksenov,
author = {S. N. Aksenov and A. A. MIRONOVICH and I S Lyubutin and A G Ivanova and I A Troyan and R. A. Sadykov and Siddharth S Saxen Montua and A. G. Gavriliuk},
title = {Phase Transition in Y3Fe5O12 at High Pressures Observed by Raman Spectroscopy},
journal = {JETP Letters},
year = {2021},
volume = {114},
publisher = {Pleiades Publishing},
month = {dec},
url = {https://doi.org/10.1134/S0021364021240036},
number = {12},
pages = {742--750},
doi = {10.1134/S0021364021240036}
}
MLA
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MLA Copy
Aksenov, S. N., et al. “Phase Transition in Y3Fe5O12 at High Pressures Observed by Raman Spectroscopy.” JETP Letters, vol. 114, no. 12, Dec. 2021, pp. 742-750. https://doi.org/10.1134/S0021364021240036.