2019
DOI: 10.1103/physrevb.100.085143
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Resonant x-ray emission and valence-band lifetime broadening in LiNO3

Abstract: X-ray absorption and resonant inelastic x-ray scattering measurements are carried out on lithium nitrate LiNO3. The σ orbitals around the nitrogen atoms exhibit a large lifetime effect. Experimentally, this is manifest as an apparent weakening of the x-ray emission signal from these states, but a closer examination shows that instead it is due to extreme broadening. This echos previous studies on ammonium nitrate, which, despite large differences in the cation and space group, showed a similar effect associate… Show more

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Cited by 6 publications
(3 citation statements)
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“…At PTB, a calibrated wavelength-dispersive grating spectrometer has been used to derive FP values such as transition probabilities [59] in the soft X-ray range and to contribute to a better understanding of the electronic structures of light elemental compounds. In a collaboration between the U.S. NMI NIST and PTB, joint high-resolution soft X-ray experiments such as XES, resonant inelastic X-ray scattering (RIXS), and XAFS of different nitrogen-containing compounds were performed at BESSY II, the results of which were compared to calculations using the OCEAN BSE code for core-level spectroscopy [60][61][62]. Different first-principle-calculation approaches for the simulation of X-ray spectral information provided by XES, RIXS and XAFS have been considered and can provide a theoretical model-based understanding of observed experimental phenomena.…”
Section: Determination Of Atomic Fundamental Parametermentioning
confidence: 99%
“…At PTB, a calibrated wavelength-dispersive grating spectrometer has been used to derive FP values such as transition probabilities [59] in the soft X-ray range and to contribute to a better understanding of the electronic structures of light elemental compounds. In a collaboration between the U.S. NMI NIST and PTB, joint high-resolution soft X-ray experiments such as XES, resonant inelastic X-ray scattering (RIXS), and XAFS of different nitrogen-containing compounds were performed at BESSY II, the results of which were compared to calculations using the OCEAN BSE code for core-level spectroscopy [60][61][62]. Different first-principle-calculation approaches for the simulation of X-ray spectral information provided by XES, RIXS and XAFS have been considered and can provide a theoretical model-based understanding of observed experimental phenomena.…”
Section: Determination Of Atomic Fundamental Parametermentioning
confidence: 99%
“…For the first-principles calculations of both valence and core excitations in solids, the Bethe-Salpeter equation (BSE) formalism [8][9][10][11][12][13] has become the state of the art in recent decades. However, only few applications of the BSE formalism to RIXS [14][15][16][17][18][19][20] have been presented so far. All of them relied on the pseudopotential approximation where only selected valence and conduction orbitals are explicitly included in the calculation, while more strongly-bound electrons are only treated implicitly through the pseudopotential.…”
Section: Introductionmentioning
confidence: 99%
“…For the first-principles calculations of both valence and core excitations in solids, the Bethe-Salpeter equation (BSE) formalism [8][9][10][11][12][13] has become the state of the art in recent decades. However, only few applications of the BSE formalism to RIXS [14][15][16][17][18][19][20] have been presented so far. All of them relied on the pseudopotential approximation where only selected valence and conduction orbitals are explicitly included in the calculation, while more strongly-bound electrons are only treated implicitly through the pseudopotential.…”
Section: Introductionmentioning
confidence: 99%