Open Access
Physical Review Letters, volume 118, issue 16, publication number 167203
Bifurcations observed in the spectra of coupled electron-phonon modes in multiferroic $PrFe_3(BO_3)_4$ subjected to a magnetic field
2
Department of Physics, New Jersey Institute of Technology, Newark, New Jersey 07102, USA
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Publication type: Journal Article
Publication date: 2017-04-18
Journal:
Physical Review Letters
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor: 8.6
ISSN: 00319007, 10797114
General Physics and Astronomy
Abstract
We report on bifurcations effect mediated by the electron-phonon coupling in a concentrated rare-earth-containing antiferromagnet, observed in the spectra of coupled $4f$-electron-phonon modes under the influence of an external magnetic field. The effect was observed in the low-temperature far-infrared (terahertz) reflection spectra of a multiferroic easy-axis antiferromagnet $PrFe_3(BO_3)_4$ in magnetic fields $\textbf{B}_{ext}||c$. Both paramagnetic and magnetically ordered phases (including a spin-flop one) were studied in magnetic fields up to 30 T. We show that the field behavior of the coupled modes can be successfully explained and modeled on the base of the equation derived in the frame of the theory of coupled electron-phonon modes, with the same field-independent electron-phonon interaction constant $|W| = 14.8 cm^{-1}$.
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Boldyrev K. N. et al. Bifurcations observed in the spectra of coupled electron-phonon modes in multiferroic $PrFe_3(BO_3)_4$ subjected to a magnetic field // Physical Review Letters. 2017. Vol. 118. No. 16. 167203
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Boldyrev K. N., Stanislavchuk T., Sirenko A., Kamenskyi D., Bezmaternykh L., Попова М. Н. Bifurcations observed in the spectra of coupled electron-phonon modes in multiferroic $PrFe_3(BO_3)_4$ subjected to a magnetic field // Physical Review Letters. 2017. Vol. 118. No. 16. 167203
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TY - JOUR
DO - 10.1103/PhysRevLett.118.167203
UR - https://doi.org/10.1103%2FPhysRevLett.118.167203
TI - Bifurcations observed in the spectra of coupled electron-phonon modes in multiferroic $PrFe_3(BO_3)_4$ subjected to a magnetic field
T2 - Physical Review Letters
AU - Boldyrev, Kirill N.
AU - Stanislavchuk, T.N.
AU - Sirenko, A.A.
AU - Kamenskyi, D.
AU - Bezmaternykh, L.N
AU - Попова, М. Н.
PY - 2017
DA - 2017/04/18 00:00:00
PB - American Physical Society (APS)
IS - 16
VL - 118
SN - 0031-9007
SN - 1079-7114
ER -
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@article{2017_Boldyrev,
author = {Kirill N. Boldyrev and T.N. Stanislavchuk and A.A. Sirenko and D. Kamenskyi and L.N Bezmaternykh and М. Н. Попова},
title = {Bifurcations observed in the spectra of coupled electron-phonon modes in multiferroic $PrFe_3(BO_3)_4$ subjected to a magnetic field},
journal = {Physical Review Letters},
year = {2017},
volume = {118},
publisher = {American Physical Society (APS)},
month = {apr},
url = {https://doi.org/10.1103%2FPhysRevLett.118.167203},
number = {16},
doi = {10.1103/PhysRevLett.118.167203}
}