L-edge spectroscopy of dilute, radiation-sensitive systems using a transition-edge-sensor array
2017
We present
X-ray absorption spectroscopyand
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)
spectrometersto access the rich
soft X-ray(100–2000 eV) spectroscopy regime for dilute and
radiation-sensitivesamples. Our low-concentration data are in agreement with high-concentration measurements recorded by grating
spectrometers. These results show that
soft-X-rayRIXS spectroscopy acquired by high-throughput TES
spectrometerscan be used to study the local electronic structure of dilute metal-centered complexes relevant to biology, chemistry, and catalysis. In particular, TES
spectrometershave a unique ability to characterize frozen solutions of radiation- and temperature-sensitive samples.
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