Separating Non-linear Optical Signals of a Sample from High Harmonic Radiation in a Soft X-ray Free Electron Laser

Sumi, Toshihide; Horio, M.; Senoo, Tomoaki; Wada, Tetsuya; Tsujikawa, Yuki; Zhang, Xiaoni; Manset, Paul; Araki, Mayuko; Hikita, Yasuyuki; Drisdell, Walter S.; Freeland, J. W.; Amado, Angelique; Zuerch, Michael; Kubota, Yuya; Owada, Shigeki; Tono, Kensuke; Yabashi, Makina; Schwartz, Craig P.; Matsuda, Ichiro

doi:10.1380/ejssnt.2022-002

Cited by 12 publications

(1 citation statement)

References 19 publications

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“…It is suitable to conduct a time-resolved MOKE measurement with different pump intensity on materials, such as GdFeCo [2,[5][6][7], that has been reported to show the femtomagnetism [6,16]. In addition, the elementselective non-linear spectroscopy, developed recently, may probe magnetization dynamics of specific 2D sublattice at the interface that matches with the present model [17][18][19][20].…”

Section: Resultsmentioning

confidence: 87%

Recovery Process from the Reversed Magnetization Simulated with a Square Lattice

Senoo

Sumi

Horio

et al. 2022

e-J. Surf. Sci. Nanotechnol.

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Control of magnetism has been an attracting issue due to its scientific interests and technological application. In such research, theoretical simulation plays an important role. We performed a Landau-Lifshitz-Gilbert simulation on the recovery process of a ferromagnet from a magnetization reversed state in a square lattice system. During the process, there can be a situation that the magnetization reversal state is enhanced or completed transiently, which may be observed experimentally.

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Section: Resultsmentioning

confidence: 87%

Recovery Process from the Reversed Magnetization Simulated with a Square Lattice

Senoo

Sumi

Horio

et al. 2022

e-J. Surf. Sci. Nanotechnol.

Self Cite

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Ultrafast Second-Harmonic XUV Spectroscopy: A Novel Probe for Symmetry

Zuerch

2024

Springer Proceedings in Physics

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Extreme-ultraviolet second-harmonic generation spectroscopy (XUV-SHG) is a novel spectroscopy that enables probing element-selective symmetry-broken states. This renders XUV-SHG especially useful to study surfaces, interfaces, and symmetry-broken bulk states in otherwise complex chemical environments. In a string of recent works, XUV-SHG was successfully applied to study the role of lithium in various compounds. One of the most striking recent results studied the role of Li symmetry-breaking displacement causing the emergence of polarity in the polar metal LiOsO3. Furthermore, the directional dependence of the SHG process allows geometry specific measurements. Given the femtosecond nature of the probe pulses, one can readily envision this method to be applied to study interfacial carrier dynamics in complex in-operando environments that are difficult to probe with conventional ultrafast methods.

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