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Sökning: WFRF:(Susini S)

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  • Mijovilovich, Ana, et al. (författare)
  • The Interpretation of Sulfur K-edge XANES spectra: A case Study on Thiophene and Aliphatic Sulfur Compounds
  • 2009
  • Ingår i: The Journal of Physical Chemistry C. - : American Chemical Society (ACS). - 1932-7447 .- 1932-7455 .- 1089-5639 .- 1520-5215. ; 113, s. 2750-2756
  • Tidskriftsartikel (refereegranskat)abstract
    • Sulfur K-edge XANES has been measured for three sulfur model compounds, dibenzothiophene, dibenzothiophene sulfone, and aliphatic sulfur (DL-methionine). The spectra have been simulated with Density Functional Theory (DFT) using a number of methods, including the half core hole approximation. Dipole transition elements were calculated and the transitions were convoluted with linearly increasing Gaussian functions in the first 20 eV of the near edge region. In the case of dibenzothiophene, relaxation of the first excited states in the presence of the core-hole gave a further improvement. The theoretical results reproduce well the features of the spectra and give insight in the relation between geometric structure and molecular orbitals. Though DL-methionine and dibenzothiophene show a similar sharp rise of the white line, their molecular levels are quite different, pointing out the difficulties in finding useful “fingerprints” in the spectra for specific compounds.
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  • Misdariis, N., et al. (författare)
  • Sound experts’ perspectives on astronomy sonification projects
  • 2022
  • Ingår i: Nature Astronomy. - : Springer Nature. - 2397-3366. ; 6:11, s. 1249-1255
  • Tidskriftsartikel (refereegranskat)abstract
    • The Audible Universe project aims to create dialogue between two scientific domains investigating two distinct research objects: stars and sound. It has been instantiated within a collaborative workshop that began to mutually acculturate the two communities, by sharing and transmitting respective knowledge, skills and practices. One main outcome of this exchange was a global view on the astronomical data sonification paradigm for observing the diversity of tools, uses and users (including visually impaired people), but also the current limitations and potential methods of improvement. From this viewpoint, here we present basic elements gathered and contextualized by sound experts in their respective fields (sound perception/cognition, sound design, psychoacoustics, experimental psychology), to anchor sonification for astronomy in a more well informed, methodological and creative process.
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