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Title: Stimulated x-ray emission spectroscopy in transition metal complexes

Journal Article · · Physical Review Letters
 [1];  [2];  [3];  [4];  [3];  [5];  [5];  [6];  [6];  [6];  [6];  [3];  [3];  [3];  [3];  [3];  [7];  [8];  [8];  [9] more »;  [9];  [8];  [8];  [10];  [11] « less
  1. SLAC National Accelerator Lab., Menlo Park, CA (United States). Linac Coherent Light Source (LCLS) and Stanford Synchrotron Radiation Lightsource (SSRL)
  2. Max Planck Inst. for the Structure and Dynamics of Matter, Hamburg (Germany); SLAC National Accelerator Lab., Menlo Park, CA (United States). Linac Coherent Light Source (LCLS)
  3. SLAC National Accelerator Lab., Menlo Park, CA (United States). Linac Coherent Light Source (LCLS)
  4. SLAC National Accelerator Lab., Menlo Park, CA (United States). Stanford Synchrotron Radiation Lightsource (SSRL)
  5. Max Planck Inst. for the Structure and Dynamics of Matter, Hamburg (Germany)
  6. SLAC National Accelerator Lab., Menlo Park, CA (United States). Accelerator Directorate
  7. SLAC National Accelerator Lab., Menlo Park, CA (United States). Linac Coherent Light Source (LCLS); Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Molecular Biophysics and Integrated Bioimaging Division
  8. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Molecular Biophysics and Integrated Bioimaging Division
  9. SLAC National Accelerator Lab., Menlo Park, CA (United States). Photon Ultrafast Laser Science and Engineering Inst. (PULSE)
  10. Max Planck Inst. for the Structure and Dynamics of Matter, Hamburg (Germany); Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany); Univ. of Hamburg, Hamburg (Germany)
  11. SLAC National Accelerator Lab., Menlo Park, CA (United States). Linac Coherent Light Source (LCLS); SLAC National Accelerator Lab., Menlo Park, CA (United States). Photon Ultrafast Laser Science and Engineering Inst. (PULSE)

We report the observation and analysis of the gain curve of amplified Kα x-ray emission from solutions of Mn(II) and Mn(VII) complexes using an x-ray free electron laser to create the 1s core-hole population inversion. We find spectra at amplification levels extending over 4 orders of magnitude until saturation. We observe bandwidths below the Mn 1s core-hole lifetime broadening in the onset of the stimulated emission. In the exponential amplification regime the resolution corrected spectral width of ~1.7 eV FWHM is constant over 3 orders of magnitude, pointing to the buildup of transform limited pulses of ~1 fs duration. Driving the amplification into saturation leads to broadening and a shift of the line. Importantly, the chemical sensitivity of the stimulated x-ray emission to the Mn oxidation state is preserved at power densities of ~1020 W/cm2 for the incoming x-ray pulses. Differences in signal sensitivity and spectral information compared to conventional (spontaneous) x-ray emission spectroscopy are discussed. Our findings build a baseline for nonlinear x-ray spectroscopy for a wide range of transition metal complexes in inorganic chemistry, catalysis, and materials science.

Research Organization:
SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States); Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES). Chemical Sciences, Geosciences, and Biosciences Division; USDOE Office of Science (SC), Biological and Environmental Research (BER); USDOE Laboratory Directed Research and Development (LDRD) Program; National Institutes of Health (NIH)
Grant/Contract Number:
AC02-76SF00515; AC02-05CH11231; GM055302; GM110501; F32GM116423; RGP0063/2013 310
OSTI ID:
1421553
Alternate ID(s):
OSTI ID: 1429943; OSTI ID: 1465454
Journal Information:
Physical Review Letters, Vol. 120, Issue 13; ISSN 0031-9007
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 38 works
Citation information provided by
Web of Science

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Cited By (10)

Double core hole valence-to-core x-ray emission spectroscopy: A theoretical exploration using time-dependent density functional theory journal October 2019
X-ray Raman scattering: a building block for nonlinear spectroscopy journal April 2019
X-ray emission from layered media irradiated by an x-ray free-electron laser journal January 2020
Amplified spontaneous emission in the extreme ultraviolet by expanding xenon clusters journal June 2020
Violation of centrosymmetry in time-resolved coherent x-ray diffraction from rovibrational states of diatomic molecules journal March 2019
Quantum theory of superfluorescence based on two-point correlation functions text January 2019
Ultrafast Self-Induced X-Ray Transparency and Loss of Magnetic Diffraction text January 2018
Evidence of Extreme Ultraviolet Superfluorescence in Xenon text January 2019
Amplified spontaneous emission in the extreme ultraviolet by expanding xenon clusters text January 2020
Quantum theory of superfluorescence based on two-point correlation functions text January 2018


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