4.7 Article

L-edge spectroscopy of dilute, radiation-sensitive systems using a transition-edge-sensor array

Journal

JOURNAL OF CHEMICAL PHYSICS
Volume 147, Issue 21, Pages -

Publisher

AMER INST PHYSICS
DOI: 10.1063/1.5000755

Keywords

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Funding

  1. Department of Energy, Laboratory Directed Research and Development funding [DE-AC02-76SF00515]
  2. U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences [DE-AC02-76SF00515]
  3. Human Frontier Science Program
  4. NIST Innovations in Measurement Science Program
  5. DOE Office of Basic Energy Sciences
  6. National Institute of General Medical Sciences of the National Institutes of Health [R01GM040392]
  7. National Research Council Postdoctoral Fellowship

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We present X-ray absorption spectroscopy and resonant inelastic X-ray scattering (RIXS) measurements on the iron L-edge of 0.5 mM aqueous ferricyanide. These measurements demonstrate the ability of high-throughput transition-edge-sensor (TES) spectrometers to access the rich soft X-ray (100-2000 eV) spectroscopy regime for dilute and radiation-sensitive samples. Our low-concentration data are in agreement with high-concentration measurements recorded by grating spectrometers. These results show that soft-X-ray RIXS spectroscopy acquired by high-throughput TES spectrometers can be used to study the local electronic structure of dilute metal-centered complexes relevant to biology, chemistry, and catalysis. In particular, TES spectrometers have a unique ability to characterize frozen solutions of radiation-and temperature-sensitive samples. Published by AIP Publishing.

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