Magnon mode transition in real space

Kazuki Iida; Katsuaki Kodama; Yasuhiro Inamura; Mitsutaka Nakamura; Lieh Jeng Chang; Shin ichi Shamoto

doi:10.1038/s41598-022-22555-9

Magnon mode transition in real space

Kazuki Iida, Katsuaki Kodama, Yasuhiro Inamura, Mitsutaka Nakamura, Lieh Jeng Chang, Shin ichi Shamoto

Department of Physics

Research output: Contribution to journal › Article › peer-review

Abstract

Spin excitation of an ilmenite FeTiO₃ powder sample is measured by time-of-flight inelastic neutron scattering. The dynamic magnetic pair-density function D_M(r, E) is obtained from the dynamic magnetic structure factor S_M(Q, E) by the Fourier transformation. The real space spin dynamics exhibit magnon mode transitions in the spin–spin correlation with increasing energy from no-phase-shift to π-phase-shift. The mode transition is well reproduced by a simulation using the reciprocal space magnon dispersions. This analysis provides a novel opportunity to study the local spin dynamics of various magnetic systems.

Original language	English
Article number	20663
Journal	Scientific reports
Volume	12
Issue number	1
DOIs	https://doi.org/10.1038/s41598-022-22555-9
Publication status	Published - 2022 Dec

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@article{815b2551935e44e1bcc08c6452563e76,

title = "Magnon mode transition in real space",

abstract = "Spin excitation of an ilmenite FeTiO3 powder sample is measured by time-of-flight inelastic neutron scattering. The dynamic magnetic pair-density function DM(r, E) is obtained from the dynamic magnetic structure factor SM(Q, E) by the Fourier transformation. The real space spin dynamics exhibit magnon mode transitions in the spin–spin correlation with increasing energy from no-phase-shift to π-phase-shift. The mode transition is well reproduced by a simulation using the reciprocal space magnon dispersions. This analysis provides a novel opportunity to study the local spin dynamics of various magnetic systems.",

author = "Kazuki Iida and Katsuaki Kodama and Yasuhiro Inamura and Mitsutaka Nakamura and Chang, {Lieh Jeng} and Shamoto, {Shin ichi}",

note = "Funding Information: This work at J-PARC has been performed at 4SEASONS (BL01) under the proposal 2021C0001. We acknowledge Prof. J.-H. Chung for SpinW simulation, Dr. H. Yamauchi for VESTA magnetic structure image, and Dr. K. Kamazawa for discussion. This work was supported by Grant-in-Aids for Scientific Research (C) (No. 22K04678, No. 21K03478, and No. 19K12648) from the Japan Society for the Promotion of Science. Publisher Copyright: {\textcopyright} 2022, The Author(s).",

year = "2022",

month = dec,

doi = "10.1038/s41598-022-22555-9",

language = "English",

volume = "12",

journal = "Scientific reports",

issn = "2045-2322",

publisher = "Nature Publishing Group",

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TY - JOUR

T1 - Magnon mode transition in real space

AU - Iida, Kazuki

AU - Kodama, Katsuaki

AU - Inamura, Yasuhiro

AU - Nakamura, Mitsutaka

AU - Chang, Lieh Jeng

AU - Shamoto, Shin ichi

N1 - Funding Information: This work at J-PARC has been performed at 4SEASONS (BL01) under the proposal 2021C0001. We acknowledge Prof. J.-H. Chung for SpinW simulation, Dr. H. Yamauchi for VESTA magnetic structure image, and Dr. K. Kamazawa for discussion. This work was supported by Grant-in-Aids for Scientific Research (C) (No. 22K04678, No. 21K03478, and No. 19K12648) from the Japan Society for the Promotion of Science. Publisher Copyright: © 2022, The Author(s).

PY - 2022/12

Y1 - 2022/12

N2 - Spin excitation of an ilmenite FeTiO3 powder sample is measured by time-of-flight inelastic neutron scattering. The dynamic magnetic pair-density function DM(r, E) is obtained from the dynamic magnetic structure factor SM(Q, E) by the Fourier transformation. The real space spin dynamics exhibit magnon mode transitions in the spin–spin correlation with increasing energy from no-phase-shift to π-phase-shift. The mode transition is well reproduced by a simulation using the reciprocal space magnon dispersions. This analysis provides a novel opportunity to study the local spin dynamics of various magnetic systems.

AB - Spin excitation of an ilmenite FeTiO3 powder sample is measured by time-of-flight inelastic neutron scattering. The dynamic magnetic pair-density function DM(r, E) is obtained from the dynamic magnetic structure factor SM(Q, E) by the Fourier transformation. The real space spin dynamics exhibit magnon mode transitions in the spin–spin correlation with increasing energy from no-phase-shift to π-phase-shift. The mode transition is well reproduced by a simulation using the reciprocal space magnon dispersions. This analysis provides a novel opportunity to study the local spin dynamics of various magnetic systems.

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JO - Scientific reports

JF - Scientific reports

IS - 1

M1 - 20663

ER -

Magnon mode transition in real space

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