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Fourteen‐analyser high‐resolution hard X‐ray emission spectrometer at I20 beamline at Diamond Light Source.

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Title: Fourteen‐analyser high‐resolution hard X‐ray emission spectrometer at I20 beamline at Diamond Light Source.
Authors: Hayama, Shusaku1 (AUTHOR) shusaku.hayama@diamond.ac.uk, Butler, David1 (AUTHOR), Cahill, Leo1 (AUTHOR), Mosselmans, J. Frederick W.1 (AUTHOR), Richards, Steven2 (AUTHOR), Ramos, Silvia2 (AUTHOR), Hall, Iain1 (AUTHOR), Shorthouse, Huw1 (AUTHOR), Diaz-Moreno, Sofia1 (AUTHOR)
Source: Journal of Synchrotron Radiation. May2026, Vol. 33 Issue 3, p848-857. 10p.
Subjects: X-ray spectrometers, X-ray emission spectroscopy, High resolution spectroscopy, X-ray spectroscopy, Time-resolved measurements
Abstract: We report the technical design, implementation and operation of a newly developed X‐ray emission spectrometer on the I20 beamline at Diamond Light Source. The spectrometer consists of 14 crystal analysers arranged in an up–down configuration, allowing for operation in one‐ or two‐colour acquisition modes. Since beginning operations in 2023, the spectrometer has substantially enhanced the capability of the beamline to perform X‐ray emission spectroscopy (XES) and has demonstrated high reliability with minimal operational issues during user experiments. The latter achievement is particularly significant given the complexity of the instrument, and the difficulty of maintaining the Rowland condition when scanning the energy. We show that the spectrometer can effectively measure spectra in two‐colour mode and is capable of detecting weak valence‐to‐core emission features with a significantly improved signal‐to‐background ratio. We also present data taken using a newly developed quick‐scanning XES acquisition mode, which enables data collection in seconds rather than minutes. This mode opens up possibilities for time‐resolved studies and investigating radiation‐sensitive materials. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Synchrotron Radiation is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Fourteen‐analyser high‐resolution hard X‐ray emission spectrometer at I20 beamline at Diamond Light Source.
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  Data: <searchLink fieldCode="AR" term="%22Hayama%2C+Shusaku%22">Hayama, Shusaku</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> shusaku.hayama@diamond.ac.uk</i><br /><searchLink fieldCode="AR" term="%22Butler%2C+David%22">Butler, David</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Cahill%2C+Leo%22">Cahill, Leo</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Mosselmans%2C+J%2E+Frederick+W%2E%22">Mosselmans, J. Frederick W.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Richards%2C+Steven%22">Richards, Steven</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ramos%2C+Silvia%22">Ramos, Silvia</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Hall%2C+Iain%22">Hall, Iain</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Shorthouse%2C+Huw%22">Shorthouse, Huw</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Diaz-Moreno%2C+Sofia%22">Diaz-Moreno, Sofia</searchLink><relatesTo>1</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Synchrotron+Radiation%22">Journal of Synchrotron Radiation</searchLink>. May2026, Vol. 33 Issue 3, p848-857. 10p.
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  Data: <searchLink fieldCode="DE" term="%22X-ray+spectrometers%22">X-ray spectrometers</searchLink><br /><searchLink fieldCode="DE" term="%22X-ray+emission+spectroscopy%22">X-ray emission spectroscopy</searchLink><br /><searchLink fieldCode="DE" term="%22High+resolution+spectroscopy%22">High resolution spectroscopy</searchLink><br /><searchLink fieldCode="DE" term="%22X-ray+spectroscopy%22">X-ray spectroscopy</searchLink><br /><searchLink fieldCode="DE" term="%22Time-resolved+measurements%22">Time-resolved measurements</searchLink>
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  Data: We report the technical design, implementation and operation of a newly developed X‐ray emission spectrometer on the I20 beamline at Diamond Light Source. The spectrometer consists of 14 crystal analysers arranged in an up–down configuration, allowing for operation in one‐ or two‐colour acquisition modes. Since beginning operations in 2023, the spectrometer has substantially enhanced the capability of the beamline to perform X‐ray emission spectroscopy (XES) and has demonstrated high reliability with minimal operational issues during user experiments. The latter achievement is particularly significant given the complexity of the instrument, and the difficulty of maintaining the Rowland condition when scanning the energy. We show that the spectrometer can effectively measure spectra in two‐colour mode and is capable of detecting weak valence‐to‐core emission features with a significantly improved signal‐to‐background ratio. We also present data taken using a newly developed quick‐scanning XES acquisition mode, which enables data collection in seconds rather than minutes. This mode opens up possibilities for time‐resolved studies and investigating radiation‐sensitive materials. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Synchrotron Radiation is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1107/S1600577526001736
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        Text: English
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        Type: general
      – SubjectFull: X-ray emission spectroscopy
        Type: general
      – SubjectFull: High resolution spectroscopy
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      – SubjectFull: X-ray spectroscopy
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      – SubjectFull: Time-resolved measurements
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      – TitleFull: Fourteen‐analyser high‐resolution hard X‐ray emission spectrometer at I20 beamline at Diamond Light Source.
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            NameFull: Hayama, Shusaku
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            NameFull: Richards, Steven
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            – D: 01
              M: 05
              Text: May2026
              Type: published
              Y: 2026
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