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Spectrally sharp magnetic excitations above the critical temperature in a frustrated Weyl semimetal

https://doi.org/10.1038/s41467-025-61752-8

Terilli, Michael; Jia, Xun; Liu, Xiaoran; Laurell, Pontus; Nedić, Ana-Marija; Chang, Yueqing; Wu, Tsung-Chi; Chen, Huyongqing; Li, Hongze; Upton, Mary H; et al (December 2025, Nature Communications)

Free, publicly-accessible full text available December 1, 2026
Spectrally sharp magnetic excitations above the critical temperature in a frustrated Weyl semimetal

Terilli, Michael; Jia, Xun; Liu, Xiaoran; Laurell, Pontus; Nedić, Ana-Marija; Chang, Yueqing; Wu, Tsung-Chi; Chen, Huyongqing; Li, Hongze; Upton, Mary H; et al (July 2025, Nature communications)

Free, publicly-accessible full text available July 17, 2026
Magnetosynthesis effect on magnetic order, phonons, and magnons in single-crystal ${Sr}_{2} {IrO}_{4}$

https://doi.org/10.1103/PhysRevMaterials.7.123802

Pellatz, Nicholas; Kim, Jungho; Kim, Jong-Woo; Kimchi, Itamar; Cao, Gang; Reznik, Dmitry (December 2023, Physical Review Materials)

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Resolution of zigzag magnetic correlations in Na-deficient ${Na}_{x} {IrO}_{3}$ without long-range ordering

https://doi.org/10.1103/PhysRevB.106.075157

Kim, Jungho; Zhao, Hengdi; Cao, Gang (August 2022, Physical Review B)

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Magnetic excitations in the square-lattice iridate ${Ba}_{2} {IrO}_{4}$

https://doi.org/10.1103/PhysRevB.107.054423

Clancy, J. P.; Gretarsson, H.; Lupascu, A.; Sears, J. A.; Nie, Z.; Upton, M. H.; Kim, Jungho; Islam, Z.; Uchida, M.; Schlom, D. G.; et al (February 2023, Physical Review B)
Laser-induced transient magnons in Sr ₃ Ir ₂ O ₇ throughout the Brillouin zone

https://doi.org/10.1073/pnas.2103696118

Mazzone, Daniel G.; Meyers, Derek; Cao, Yue; Vale, James G.; Dashwood, Cameron D.; Shi, Youguo; James, Andrew J.; Robinson, Neil J.; Lin, Jiaqi; Thampy, Vivek; et al (June 2021, Proceedings of the National Academy of Sciences)

Although ultrafast manipulation of magnetism holds great promise for new physical phenomena and applications, targeting specific states is held back by our limited understanding of how magnetic correlations evolve on ultrafast timescales. Using ultrafast resonant inelastic X-ray scattering we demonstrate that femtosecond laser pulses can excite transient magnons at large wavevectors in gapped antiferromagnets and that they persist for several picoseconds, which is opposite to what is observed in nearly gapless magnets. Our work suggests that materials with isotropic magnetic interactions are preferred to achieve rapid manipulation of magnetism.
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