Magnetic excitations of Sr $_{3}$ Ir $_{2}$ O $_{7}$ observed by inelastic neutron scattering technique

Fujita, Masaki*; Ikeuchi, Kazuhiko*; Kajimoto, Ryoichi ; Nakamura, Mitsutaka

In this short note, we report on the first inelastic neutron scattering (INS) study on high-energy magnetic excitations in Sr $_{3}$ Ir $_{2}$ O $_{7}$ . We observed excitations between 80 meV and 180 meV. The peak position of the excitations is consistent with the dispersion of a single magnon determined by resonant inelastic X-ray scattering (RIXS) measurement. Thus, our results demonstrate the feasibility of INS for iridates, which has a large neutron absorption cross-section.

Language	:	English
Journal	:	Journal of the Physical Society of Japan
Volume	:	90
Number	:	2
Pages	:	p.025001_1 - 025001_2
Publication Year/Month	:	2021/02
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Paper URL	:	https://doi.org/10.7566/JPSJ.90.025001
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Keywords	:	no keyword
Research Facility	:	J-PARC物質・生命科学実験施設
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Registration No. : AA20200629
JAEA Abstracts No. : 49000292
Paper Submission No. : 23868

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Magnetic excitations of SrIrO observed by inelastic neutron scattering technique

Magnetic excitations of Sr $_{3}$ Ir $_{2}$ O $_{7}$ observed by inelastic neutron scattering technique