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Abstract <p>The Kosmos synchrotron radiation metrology station operates in the range of soft X-rays. Along with metrological studies, it allows EXAFS and XANES spectra to be measured in the 2–10 keV range of energies. A new monochromator based on a hybrid optical scheme of the multilayer mirror–crystal type with potassium and rubidium biphthalate crystals is tested to extend the range to lower energies. A new monochromator with operating energies of up to 480 eV is used to measure the XANES spectra of test samples near the K-edge of Al (1559 eV) and the L-edge of copper (932.7 eV). The designs of both monochromators and examples of the spectra are presented.</p>

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Soft X-Ray Spectroscopy at the Kosmos Synchrotron Radiation Station

  • 期刊论文

  • 发表日期：

    2025年9月1日

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  • A. D. Nikolenko,
  • A. D. Fedorenko,
  • M. S. Platunov,
  • P. A. Piminov,
  • E. A. Simonov

摘要

Abstract

The Kosmos synchrotron radiation metrology station operates in the range of soft X-rays. Along with metrological studies, it allows EXAFS and XANES spectra to be measured in the 2–10 keV range of energies. A new monochromator based on a hybrid optical scheme of the multilayer mirror–crystal type with potassium and rubidium biphthalate crystals is tested to extend the range to lower energies. A new monochromator with operating energies of up to 480 eV is used to measure the XANES spectra of test samples near the K-edge of Al (1559 eV) and the L-edge of copper (932.7 eV). The designs of both monochromators and examples of the spectra are presented.