Open Access
Physical Review Letters, volume 114, issue 24, publication number 247210
Antiferromagnetic dichroism and Davydov splitting of 3d-excitons in a complex multisublattice magnetoelectric CuB2O4
Publication type: Journal Article
Publication date: 2015-06-19
Journal:
Physical Review Letters
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor: 8.6
ISSN: 00319007, 10797114
General Physics and Astronomy
Abstract
Magnetic control of the crystal chirality was announced by Saito et al. [Phys. Rev. Lett. 101, 117402 (2008)] on the ground of experiments in CuB(2)O(4). This claim has raised a sharp dispute in the literature because it seemed to contradict the fundamental symmetry principles. We settle this dispute on the basis of a high-resolution optical spectroscopy study of excitonic transitions in CuB(2)O(4). We find that a large sublattice-sensitive antiferromagnetic linear dichroism (LD) emerges at the Néel temperature T(N)=21 K and show how it could simulate a "magnetic-field control of the crystal chirality." We prove that the discovered LD is related microscopically to the magnetic Davydov splitting. This LD is highly sensitive to subtle changes in the spin subsystems, which allowed us to observe a splitting of the phase transition into an incommensurate magnetic phase into two transitions (T(1)(*)=8.5 and T(2)(*)=7.9 K) and to suggest elliptical spiral structures below T(1)(*), instead of a simple circular helix proposed earlier.
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Citations by publishers
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American Physical Society (APS)
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9 publications, 40.91%
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5 publications, 22.73%
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2 publications, 9.09%
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Wiley
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1 publication, 4.55%
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IOP Publishing
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IOP Publishing
1 publication, 4.55%
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Multidisciplinary Digital Publishing Institute (MDPI)
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1 publication, 4.55%
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Elsevier
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1 publication, 4.55%
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1 publication, 4.55%
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American Association for the Advancement of Science (AAAS)
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American Association for the Advancement of Science (AAAS)
1 publication, 4.55%
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- We do not take into account publications that without a DOI.
- Statistics recalculated only for publications connected to researchers, organizations and labs registered on the platform.
- Statistics recalculated weekly.
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Boldyrev K. N. et al. Antiferromagnetic dichroism and Davydov splitting of 3d-excitons in a complex multisublattice magnetoelectric CuB2O4 // Physical Review Letters. 2015. Vol. 114. No. 24. 247210
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Boldyrev K. N., Pisarev R. V., Bezmaternykh L., Попова М. Н. Antiferromagnetic dichroism and Davydov splitting of 3d-excitons in a complex multisublattice magnetoelectric CuB2O4 // Physical Review Letters. 2015. Vol. 114. No. 24. 247210
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TY - JOUR
DO - 10.1103/PhysRevLett.114.247210
UR - https://doi.org/10.1103%2FPhysRevLett.114.247210
TI - Antiferromagnetic dichroism and Davydov splitting of 3d-excitons in a complex multisublattice magnetoelectric CuB2O4
T2 - Physical Review Letters
AU - Boldyrev, Kirill N.
AU - Pisarev, Roman V.
AU - Bezmaternykh, L.N
AU - Попова, М. Н.
PY - 2015
DA - 2015/06/19 00:00:00
PB - American Physical Society (APS)
IS - 24
VL - 114
SN - 0031-9007
SN - 1079-7114
ER -
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@article{2015_Boldyrev,
author = {Kirill N. Boldyrev and Roman V. Pisarev and L.N Bezmaternykh and М. Н. Попова},
title = {Antiferromagnetic dichroism and Davydov splitting of 3d-excitons in a complex multisublattice magnetoelectric CuB2O4},
journal = {Physical Review Letters},
year = {2015},
volume = {114},
publisher = {American Physical Society (APS)},
month = {jun},
url = {https://doi.org/10.1103%2FPhysRevLett.114.247210},
number = {24},
doi = {10.1103/PhysRevLett.114.247210}
}