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Enhancement of intrinsic magnetic damping in defect-free epitaxial Fe3O4 thin films

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Enhancement of intrinsic magnetic damping in defect-free epitaxial Fe3O4 thin films. / Lu, Xianyang; Atkinson, Lewis Jack; Kuerbanjiang, Balati; Liu, Bo; Li, Guanqi; Wang, Yichuan; Wang, Junlin; Ruan, Xuezhong; Wu, Jing; Evans, Richard Francis Llewelyn; Lazarov, Vlado; Chantrell, Roy William; Xu, Yongbing.

In: Applied Physics Letters, Vol. 114, 192406, 16.05.2019, p. 192406-1 to 192406-5.

Research output: Contribution to journalArticle

Harvard

Lu, X, Atkinson, LJ, Kuerbanjiang, B, Liu, B, Li, G, Wang, Y, Wang, J, Ruan, X, Wu, J, Evans, RFL, Lazarov, V, Chantrell, RW & Xu, Y 2019, 'Enhancement of intrinsic magnetic damping in defect-free epitaxial Fe3O4 thin films', Applied Physics Letters, vol. 114, 192406, pp. 192406-1 to 192406-5. https://doi.org/10.1063/1.5091503

APA

Lu, X., Atkinson, L. J., Kuerbanjiang, B., Liu, B., Li, G., Wang, Y., ... Xu, Y. (2019). Enhancement of intrinsic magnetic damping in defect-free epitaxial Fe3O4 thin films. Applied Physics Letters, 114, 192406-1 to 192406-5. [192406]. https://doi.org/10.1063/1.5091503

Vancouver

Lu X, Atkinson LJ, Kuerbanjiang B, Liu B, Li G, Wang Y et al. Enhancement of intrinsic magnetic damping in defect-free epitaxial Fe3O4 thin films. Applied Physics Letters. 2019 May 16;114:192406-1 to 192406-5. 192406. https://doi.org/10.1063/1.5091503

Author

Lu, Xianyang ; Atkinson, Lewis Jack ; Kuerbanjiang, Balati ; Liu, Bo ; Li, Guanqi ; Wang, Yichuan ; Wang, Junlin ; Ruan, Xuezhong ; Wu, Jing ; Evans, Richard Francis Llewelyn ; Lazarov, Vlado ; Chantrell, Roy William ; Xu, Yongbing. / Enhancement of intrinsic magnetic damping in defect-free epitaxial Fe3O4 thin films. In: Applied Physics Letters. 2019 ; Vol. 114. pp. 192406-1 to 192406-5.

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@article{6f89bd2ea83d408f8035c5ed56a75dda,
title = "Enhancement of intrinsic magnetic damping in defect-free epitaxial Fe3O4 thin films",
abstract = "We have investigated the magnetic damping of precessional spin dynamics in defect-controlled epitaxial grown Fe3O4(111)/Yttria-stabilized Zirconia nanoscale films by all-optical pump-probe measurements. The intrinsic damping constant of the defect-free Fe3O4 film is found to be strikingly larger than that of the as-grown Fe3O4 film with structural defects. We demonstrate that the population of the first-order per- pendicular standing spin wave (PSSW) mode, which is exclusively observed in the defect-free film under sufficiently high external magnetic fields, leads to the enhancement of the magnetic damping of the uniform precession (Kittel) mode. We propose a physical picture in which the PSSW mode acts as an additional channel for the extra energy dissipation of the Kittel mode. The energy transfer from the Kittel mode to the PSSW mode increases as in-plane magnetization precession becomes more uniform, resulting in the unique intrinsic magnetic damp- ing enhancement in the defect-free Fe3O4 film.",
keywords = "Intrinsic magnetic damping, ,, epitaxial Fe3O4",
author = "Xianyang Lu and Atkinson, {Lewis Jack} and Balati Kuerbanjiang and Bo Liu and Guanqi Li and Yichuan Wang and Junlin Wang and Xuezhong Ruan and Jing Wu and Evans, {Richard Francis Llewelyn} and Vlado Lazarov and Chantrell, {Roy William} and Yongbing Xu",
note = "{\circledC} 2019 AIP Publishing LLC. This is an author-produced version of the published paper. Uploaded in accordance with the publisher’s self-archiving policy. Further copying may not be permitted; contact the publisher for details.",
year = "2019",
month = "5",
day = "16",
doi = "10.1063/1.5091503",
language = "English",
volume = "114",
pages = "192406--1 to 192406--5",
journal = "Applied Physics Letters",
issn = "0003-6951",
publisher = "American Institute of Physics Publising LLC",

}

RIS (suitable for import to EndNote) - Download

TY - JOUR

T1 - Enhancement of intrinsic magnetic damping in defect-free epitaxial Fe3O4 thin films

AU - Lu, Xianyang

AU - Atkinson, Lewis Jack

AU - Kuerbanjiang, Balati

AU - Liu, Bo

AU - Li, Guanqi

AU - Wang, Yichuan

AU - Wang, Junlin

AU - Ruan, Xuezhong

AU - Wu, Jing

AU - Evans, Richard Francis Llewelyn

AU - Lazarov, Vlado

AU - Chantrell, Roy William

AU - Xu, Yongbing

N1 - © 2019 AIP Publishing LLC. This is an author-produced version of the published paper. Uploaded in accordance with the publisher’s self-archiving policy. Further copying may not be permitted; contact the publisher for details.

PY - 2019/5/16

Y1 - 2019/5/16

N2 - We have investigated the magnetic damping of precessional spin dynamics in defect-controlled epitaxial grown Fe3O4(111)/Yttria-stabilized Zirconia nanoscale films by all-optical pump-probe measurements. The intrinsic damping constant of the defect-free Fe3O4 film is found to be strikingly larger than that of the as-grown Fe3O4 film with structural defects. We demonstrate that the population of the first-order per- pendicular standing spin wave (PSSW) mode, which is exclusively observed in the defect-free film under sufficiently high external magnetic fields, leads to the enhancement of the magnetic damping of the uniform precession (Kittel) mode. We propose a physical picture in which the PSSW mode acts as an additional channel for the extra energy dissipation of the Kittel mode. The energy transfer from the Kittel mode to the PSSW mode increases as in-plane magnetization precession becomes more uniform, resulting in the unique intrinsic magnetic damp- ing enhancement in the defect-free Fe3O4 film.

AB - We have investigated the magnetic damping of precessional spin dynamics in defect-controlled epitaxial grown Fe3O4(111)/Yttria-stabilized Zirconia nanoscale films by all-optical pump-probe measurements. The intrinsic damping constant of the defect-free Fe3O4 film is found to be strikingly larger than that of the as-grown Fe3O4 film with structural defects. We demonstrate that the population of the first-order per- pendicular standing spin wave (PSSW) mode, which is exclusively observed in the defect-free film under sufficiently high external magnetic fields, leads to the enhancement of the magnetic damping of the uniform precession (Kittel) mode. We propose a physical picture in which the PSSW mode acts as an additional channel for the extra energy dissipation of the Kittel mode. The energy transfer from the Kittel mode to the PSSW mode increases as in-plane magnetization precession becomes more uniform, resulting in the unique intrinsic magnetic damp- ing enhancement in the defect-free Fe3O4 film.

KW - Intrinsic magnetic damping, ,

KW - epitaxial Fe3O4

U2 - 10.1063/1.5091503

DO - 10.1063/1.5091503

M3 - Article

VL - 114

SP - 192406-1 to 192406-5

JO - Applied Physics Letters

T2 - Applied Physics Letters

JF - Applied Physics Letters

SN - 0003-6951

M1 - 192406

ER -