Measurement of X-ray Magnetic Linear Dichroism by Rotating Polarization Angle of Soft X-ray Generated by a Segmented Cross Undulator

Kudo, Yoshiki; Horio, M.; Sumi, Toshihide; Wada, Tetsuya; Hikita, Yasuyuki; Ohkochi, Takuo; Kinoshita, Toyohiko; Matsuda, Ichiro

doi:10.1380/ejssnt.2022-019

Cited by 2 publications

(1 citation statement)

References 19 publications

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“…See [4,5] for the unique characteristics of the segmented cross undulator. Using this, Kudo et al have performed near-edge x-ray absorption fine structure (NEXAFS) [18] and x-ray magnetic linear dichroism measurements [19] and successfully demonstrated that one can obtain systematic angle-dependent data while the sample position is fixed.…”

Section: Introductionmentioning

confidence: 99%

Resonant photoemission spectroscopy of atomic layer Fe₂N on Cu(111) with continuous angular rotation of linearly polarized light

Horio

Kudo

Wada

et al. 2023

J. Phys.: Condens. Matter

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Linearly polarized soft X-rays provide information about electronic or magnetic anisotropy through absorption into materials or generation of photoelectrons. In order to change the relative angle between linear polarization and sample crystalline axes, either X-ray polarization or the sample needs to be rotated. Due to diﬃculties of polarization control in the soft X-ray range, a conventional approach was to rotate the sample. However, this method is not compatible, for example, with operando measurements on non-uniform samples where sample size and rotational motion are severely restricted. At BL07LSU of SPring-8, we developed a new method to rotate the linear polarization angle using a segmented cross undulator. We report an application of this linear polarization rotation to resonant photoemission spectroscopy on an magnetic atomic layer Fe2N on Cu(111) to probe the electronic anisotropy of the 3d states in the vicinity of the Fermi level.

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Section: Introductionmentioning

confidence: 99%

Resonant photoemission spectroscopy of atomic layer Fe₂N on Cu(111) with continuous angular rotation of linearly polarized light

Horio

Kudo

Wada

et al. 2023

J. Phys.: Condens. Matter

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Developing a Simple Scanning Probe System for Soft X-ray Spectroscopy with a Nano-focusing Mirror

Andō

Horio

Takeo

et al. 2023

e-J. Surf. Sci. Nanotechnol.

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We developed a compact system for the spectroscopic mapping of a microstructure with a nano-focused beam at a soft X-ray beamline of synchrotron radiation. The experimental setup comprises a Wolter mirror and sample that are arranged with two mounting stages. The Wolter mirror is aligned with three degrees of freedom, and the sample with two degrees. The system generates a beam with an 800-nm spot and maps out a chemical distribution of non-uniform material through near-edge X-ray fine structure spectroscopy. The design and actual system are suited to experiments conducted with a nano-focused X-ray beam at beamlines of synchrotron radiation or an X-ray free-electron laser. Additionally, this technical note presents guidelines for actual experiments.

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Measurement of X-ray Magnetic Linear Dichroism by Rotating Polarization Angle of Soft X-ray Generated by a Segmented Cross Undulator

Cited by 2 publications

References 19 publications

Resonant photoemission spectroscopy of atomic layer Fe₂N on Cu(111) with continuous angular rotation of linearly polarized light

Resonant photoemission spectroscopy of atomic layer Fe₂N on Cu(111) with continuous angular rotation of linearly polarized light

Developing a Simple Scanning Probe System for Soft X-ray Spectroscopy with a Nano-focusing Mirror

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Measurement of X-ray Magnetic Linear Dichroism by Rotating Polarization Angle of Soft X-ray Generated by a Segmented Cross Undulator

Cited by 2 publications

References 19 publications

Resonant photoemission spectroscopy of atomic layer Fe2N on Cu(111) with continuous angular rotation of linearly polarized light

Resonant photoemission spectroscopy of atomic layer Fe2N on Cu(111) with continuous angular rotation of linearly polarized light

Developing a Simple Scanning Probe System for Soft X-ray Spectroscopy with a Nano-focusing Mirror

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Resonant photoemission spectroscopy of atomic layer Fe₂N on Cu(111) with continuous angular rotation of linearly polarized light

Resonant photoemission spectroscopy of atomic layer Fe₂N on Cu(111) with continuous angular rotation of linearly polarized light