Switching of Magnons by Electric and Magnetic Fields in Multiferroic Borates

A. M. Kuzmenko, D. Szaller, Th. Kain, V. Dziom, L. Weymann, A. Shuvaev, Anna Pimenov, A. A. Mukhin, V. Yu. Ivanov, I. A. Gudim, L. N. Bezmaternykh, and A. Pimenov
Phys. Rev. Lett. 120, 027203 – Published 12 January 2018
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Abstract

Electric manipulation of magnetic properties is a key problem of materials research. To fulfill the requirements of modern electronics, these processes must be shifted to high frequencies. In multiferroic materials, this may be achieved by electric and magnetic control of their fundamental excitations. Here we identify magnetic vibrations in multiferroic iron borates that are simultaneously sensitive to external electric and magnetic fields. Nearly 100% modulation of the terahertz radiation in an external field is demonstrated for SmFe3(BO3)4. High sensitivity can be explained by a modification of the spin orientation that controls the excitation conditions in multiferroic borates. These experiments demonstrate the possibility to alter terahertz magnetic properties of materials independently by external electric and magnetic fields.

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  • Received 18 August 2017

DOI:https://doi.org/10.1103/PhysRevLett.120.027203

© 2018 American Physical Society

Physics Subject Headings (PhySH)

  1. Research Areas
  1. Physical Systems
Condensed Matter, Materials & Applied Physics

Authors & Affiliations

A. M. Kuzmenko1, D. Szaller2, Th. Kain2, V. Dziom2, L. Weymann2, A. Shuvaev2, Anna Pimenov2, A. A. Mukhin1, V. Yu. Ivanov1, I. A. Gudim3, L. N. Bezmaternykh3,*, and A. Pimenov2

  • 1Prokhorov General Physics Institute, Russian Academy of Sciences, 119991 Moscow, Russia
  • 2Institute of Solid State Physics, Vienna University of Technology, 1040 Vienna, Austria
  • 3L. V. Kirensky Institute of Physics Siberian Branch of RAS, 660036 Krasnoyarsk, Russia

  • *Deceased.

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Issue

Vol. 120, Iss. 2 — 12 January 2018

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