KFU. Card publication. Nonreciprocity of Optical Absorption in the Magnetoelectric Antiferromagnet CuB2O4

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FEDERAL UNIVERSITY

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NONRECIPROCITY OF OPTICAL ABSORPTION IN THE MAGNETOELECTRIC ANTIFERROMAGNET CUB2O4

Form of presentation

Articles in international journals and collections

Year of publication

2023

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Authors, employees of KFU

Eremin Mikhail Vasilevich, author

Bibliographic description in the original language

Boldyrev K.N, Molchanova A.D, Nurmukhametov A.R, Nonreciprocity of Optical Absorption in the Magnetoelectric Antiferromagnet CuB2O4//Magnetochemistry. - 2023. - Vol.9, Is.4. - Art. �95. https://doi.org/10.3390/magnetochemistry9040095

Annotation

The change in the absorption spectra due to reversal of the direction of light propagation (nonreciprocity of absorption) is a consequence of a simultaneous violation of both time-reversal and spatial-inversion symmetries. Here, we report on a high-resolution spectroscopic study of absorption nonreciprocity in the noncentrosymmetric multiferroic CuB2O4 below the antiferromagnetic transition temperature TN = 21 K in the commensurate phase in magnetic fields up to 0.5 T. The study was performed in a broad spectral region covering several exciton transitions, which all are followed by an anomalously rich structure due to the multiple exciton-magnon-phonon satellites. Two components were resolved for the spectral line near 1.4 eV corresponding to the exciton transition between the ground and the first excited state. A quantitative theory of the optical absorption and nonreciprocity at this line was developed. The theory takes into account the interference between the electric and magnetic dipole contributions to the absorption and gives an adequate explanation of the relevant effects

Keywords

Nonreciprocity, CuB2O4

The name of the journal

Magnetochemistry

URL

https://www.scopus.com/inward/record.uri?eid=2-s2.0-85153971207&doi=10.3390%2fmagnetochemistry9040095&partnerID=40&md5=211112d352f3a4857dc3caea23db016b

Please use this ID to quote from or refer to the card

https://repository.kpfu.ru/eng/?p_id=287159&p_lang=2

Full metadata record

Field DC	Value	Language
dc.contributor.author	Eremin Mikhail Vasilevich	ru_RU
dc.date.accessioned	2023-01-01T00:00:00Z	ru_RU
dc.date.available	2023-01-01T00:00:00Z	ru_RU
dc.date.issued	2023	ru_RU
dc.identifier.citation	Boldyrev K.N, Molchanova A.D, Nurmukhametov A.R, Nonreciprocity of Optical Absorption in the Magnetoelectric Antiferromagnet CuB2O4//Magnetochemistry. - 2023. - Vol.9, Is.4. - Art. �95. https://doi.org/10.3390/magnetochemistry9040095	ru_RU
dc.identifier.uri	https://repository.kpfu.ru/eng/?p_id=287159&p_lang=2	ru_RU
dc.description.abstract	Magnetochemistry	ru_RU
dc.description.abstract	The change in the absorption spectra due to reversal of the direction of light propagation (nonreciprocity of absorption) is a consequence of a simultaneous violation of both time-reversal and spatial-inversion symmetries. Here, we report on a high-resolution spectroscopic study of absorption nonreciprocity in the noncentrosymmetric multiferroic CuB2O4 below the antiferromagnetic transition temperature TN = 21 K in the commensurate phase in magnetic fields up to 0.5 T. The study was performed in a broad spectral region covering several exciton transitions, which all are followed by an anomalously rich structure due to the multiple exciton-magnon-phonon satellites. Two components were resolved for the spectral line near 1.4 eV corresponding to the exciton transition between the ground and the first excited state. A quantitative theory of the optical absorption and nonreciprocity at this line was developed. The theory takes into account the interference between the electric and magnetic dipole contributions to the absorption and gives an adequate explanation of the relevant effects	ru_RU
dc.language.iso	ru	ru_RU
dc.subject	Nonreciprocity	ru_RU
dc.subject	CuB2O4	ru_RU
dc.title	Nonreciprocity of Optical Absorption in the Magnetoelectric Antiferromagnet CuB2O4	ru_RU
dc.type	Articles in international journals and collections	ru_RU