Библиотека института физики им. Л.В. Киренского СО РАН

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Вид документа : Статья из журнала
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Автор(ы) : Partzsch S., Hamann-Borrero J. E., Mazzoli C., Herrero-Martin J., Valencia S., Feyerherm R., Dudzik E., Vasiliev A., Bezmaternykh L. N., Buchner B., Geck J.
Заглавие : Control of coexisting magnetic phases by electric fields in NdFe3(BO3)(4)
Коллективы : DFG [SFB 1143, GE 1647/2-1, HA6470/1-1]; Ministry of Education and Science of the Russian Federation [kappa2-2015-075]; Government of the Russian Federation [02.A03.21.0006]
Место публикации : Phys. Rev. B: American Physical Society, 2016. - Vol. 94, Is. 5. - Ст.054421. - ISSN 2469-9950, DOI 10.1103/PhysRevB.94.054421. - ISSN 2469-9969(eISSN)
Примечания : Cited References:29. - We thank H.-C. Walker for the technical support at ID20, and F. de Bergevin, C. Detlefs, and L. Paolasini for helpful discussions. This work was supported by the DFG through the SFB 1143, as well as Grants No. GE 1647/2-1 (S.P, J.G.) and No. HA6470/1-1 (J.E.H.B). Further financial support was received by the Ministry of Education and Science of the Russian Federation in the framework of the Increase Competitiveness Program of NUST "MISiS" (Grant No. kappa 2-2015-075) and by Act 211 of the Government of the Russian Federation (Contract No. 02.A03.21.0006). We also gratefully acknowledge the beamtime provision by BESSY II of the Helmholtz-Zentrum Berlin and the ESRF.
Предметные рубрики: EXCHANGE SCATTERING
POLARIZATION
MULTIFERROICS
REVERSAL
Аннотация: We present a resonant x-ray diffraction study of the magnetic order in NdFe3(BO3)4 and its coupling to applied electric fields. Our high-resolution measurements reveal two different coexisting magnetic phases, which can directly be controlled and manipulated by external electric fields. More specifically, the volume fraction of the collinear magnetic phase is found to strongly increase at the expense of helically ordered regions when an electric field is applied. These results confirm that the collinear magnetic phase is responsible for the ferroelectric polarization of NdFe3(BO3)4 and, more importantly, demonstrate that coexisting magnetic phases provide a route towards materials with a strong but yet hysteresis-free magnetoelectric response.
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