Symmetry-Based Phenomenological Model for Magnon Transport in a Multiferroic. Harris, I. A., Husain, S., Meisenheimer, P., Ramesh, M., Park, H. W., Caretta, L., Schlom, D. G., Yao, Z., Martin, L. W., Íñiguez-González, J., Kim, S. K., & Ramesh, R. Physical Review Letters, 134(1):016703, January, 2025. Publisher: American Physical Society![Symmetry-Based Phenomenological Model for Magnon Transport in a Multiferroic [link]](https://bibbase.org/img/filetypes/link.svg "link")
Paper doi abstract bibtex Magnons—carriers of spin information—can be controlled by electric fields in the multiferroic BiFeO3 (BFO), a milestone that brings magnons closer to application in future devices. The origin of magnon-spin currents in BFO, however, is not fully understood due to BFO’s complicated magnetic texture. In this Letter, we present a phenomenological model to elucidate the existence of magnon spin currents in generalized multiferroics by examining the symmetries inherent to their magnetic and polar structures. This model is grounded in experimental data obtained from BFO and its derivatives, which informs the symmetry operations and resultant magnon behavior. By doing so, we address the issue of symmetry-allowed, switchable magnon spin transport in multiferroics, thereby establishing a critical framework for comprehending magnon transport within complex magnetic textures.
@article{harris_symmetry-based_2025,
title = {Symmetry-{Based} {Phenomenological} {Model} for {Magnon} {Transport} in a {Multiferroic}},
volume = {134},
url = {https://link.aps.org/doi/10.1103/PhysRevLett.134.016703},
doi = {10.1103/PhysRevLett.134.016703},
abstract = {Magnons—carriers of spin information—can be controlled by electric fields in the multiferroic BiFeO3 (BFO), a milestone that brings magnons closer to application in future devices. The origin of magnon-spin currents in BFO, however, is not fully understood due to BFO’s complicated magnetic texture. In this Letter, we present a phenomenological model to elucidate the existence of magnon spin currents in generalized multiferroics by examining the symmetries inherent to their magnetic and polar structures. This model is grounded in experimental data obtained from BFO and its derivatives, which informs the symmetry operations and resultant magnon behavior. By doing so, we address the issue of symmetry-allowed, switchable magnon spin transport in multiferroics, thereby establishing a critical framework for comprehending magnon transport within complex magnetic textures.},
number = {1},
urldate = {2025-01-02},
journal = {Physical Review Letters},
author = {Harris, Isaac A. and Husain, Sajid and Meisenheimer, Peter and Ramesh, Maya and Park, Hyeon Woo and Caretta, Lucas and Schlom, Darrell G. and Yao, Zhi and Martin, Lane W. and Íñiguez-González, Jorge and Kim, Se Kwon and Ramesh, Ramamoorthy},
month = jan,
year = {2025},
note = {Publisher: American Physical Society},
pages = {016703},
}
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