Home > Research > Publications & Outputs > Theory of terahertz-driven magnetic switching i...

Research

Associated organisational unit

Links

Text available via DOI:

View graph of relations

Theory of terahertz-driven magnetic switching in rare-earth orthoferrites: The case of TmFe⁢O3

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Published

Standard

Theory of terahertz-driven magnetic switching in rare-earth orthoferrites: The case of TmFe⁢O3. / Vovk, N. R.; Ezerskaya, E. V.; Mikhaylovskiy, R. V.
In: Physical Review B, Vol. 111, No. 6, 064411, 01.02.2025.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Vovk, NR, Ezerskaya, EV & Mikhaylovskiy, RV 2025, 'Theory of terahertz-driven magnetic switching in rare-earth orthoferrites: The case of TmFe⁢O3', Physical Review B, vol. 111, no. 6, 064411. https://doi.org/10.1103/physrevb.111.064411

APA

Vovk, N. R., Ezerskaya, E. V., & Mikhaylovskiy, R. V. (2025). Theory of terahertz-driven magnetic switching in rare-earth orthoferrites: The case of TmFe⁢O3. Physical Review B, 111(6), Article 064411. https://doi.org/10.1103/physrevb.111.064411

Vancouver

Vovk NR, Ezerskaya EV, Mikhaylovskiy RV. Theory of terahertz-driven magnetic switching in rare-earth orthoferrites: The case of TmFe⁢O3. Physical Review B. 2025 Feb 1;111(6):064411. doi: 10.1103/physrevb.111.064411

Author

Vovk, N. R. ; Ezerskaya, E. V. ; Mikhaylovskiy, R. V. / Theory of terahertz-driven magnetic switching in rare-earth orthoferrites : The case of TmFe⁢O3. In: Physical Review B. 2025 ; Vol. 111, No. 6.

Bibtex

@article{e7af30169d35433e881a7729a42800a5,
title = "Theory of terahertz-driven magnetic switching in rare-earth orthoferrites: The case of TmFe⁢O3",
abstract = "We report a theoretical formalism that describes a dynamic magnetic response of rare-earth orthoferrites, particularly those with non-Kramers rare-earth () ions, when driven by strong terahertz fields. We derive a total thermodynamic potential for the exchange coupled -Fe system by constructing an effective Hamiltonian and employing a mean-field theory approximation. We investigate static properties of the and Fe subsystems across the spin-reorientation phase transitions and obtain resonance frequencies for Fe and magnetic sublattices as a function of temperature. Taking an example of the archetypical orthoferrite TmFeO3, we perform numerical modeling to accurately describe the behavior of its anisotropy functions vs temperature. Finally, we analyze switching dynamics of Fe spins and nonlinear effects in the subsystem of TmFeO3 driven by strong terahertz radiation. Published by the American Physical Society 2025",
author = "Vovk, {N. R.} and Ezerskaya, {E. V.} and Mikhaylovskiy, {R. V.}",
year = "2025",
month = feb,
day = "1",
doi = "10.1103/physrevb.111.064411",
language = "English",
volume = "111",
journal = "Physical Review B",
issn = "2469-9950",
publisher = "American Physical Society (APS)",
number = "6",

}

RIS

TY - JOUR

T1 - Theory of terahertz-driven magnetic switching in rare-earth orthoferrites

T2 - The case of TmFe⁢O3

AU - Vovk, N. R.

AU - Ezerskaya, E. V.

AU - Mikhaylovskiy, R. V.

PY - 2025/2/1

Y1 - 2025/2/1

N2 - We report a theoretical formalism that describes a dynamic magnetic response of rare-earth orthoferrites, particularly those with non-Kramers rare-earth () ions, when driven by strong terahertz fields. We derive a total thermodynamic potential for the exchange coupled -Fe system by constructing an effective Hamiltonian and employing a mean-field theory approximation. We investigate static properties of the and Fe subsystems across the spin-reorientation phase transitions and obtain resonance frequencies for Fe and magnetic sublattices as a function of temperature. Taking an example of the archetypical orthoferrite TmFeO3, we perform numerical modeling to accurately describe the behavior of its anisotropy functions vs temperature. Finally, we analyze switching dynamics of Fe spins and nonlinear effects in the subsystem of TmFeO3 driven by strong terahertz radiation. Published by the American Physical Society 2025

AB - We report a theoretical formalism that describes a dynamic magnetic response of rare-earth orthoferrites, particularly those with non-Kramers rare-earth () ions, when driven by strong terahertz fields. We derive a total thermodynamic potential for the exchange coupled -Fe system by constructing an effective Hamiltonian and employing a mean-field theory approximation. We investigate static properties of the and Fe subsystems across the spin-reorientation phase transitions and obtain resonance frequencies for Fe and magnetic sublattices as a function of temperature. Taking an example of the archetypical orthoferrite TmFeO3, we perform numerical modeling to accurately describe the behavior of its anisotropy functions vs temperature. Finally, we analyze switching dynamics of Fe spins and nonlinear effects in the subsystem of TmFeO3 driven by strong terahertz radiation. Published by the American Physical Society 2025

U2 - 10.1103/physrevb.111.064411

DO - 10.1103/physrevb.111.064411

M3 - Journal article

VL - 111

JO - Physical Review B

JF - Physical Review B

SN - 2469-9950

IS - 6

M1 - 064411

ER -