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Inhalt:
Silicate melts are major components of the Earth’s interior and as such they make an essential contribution in igneous processes, in the dynamics of the solid Earth and the chemical development of the entire Earth. Macroscopic physical and chemical properties such as density, compressibility, viscosity, degree of polymerization etc. are determined by the atomic structure of the melt. Depending on the pressure, but also on the temperature and the chemical composition, silicate melts show different structural properties. These properties are best described by the local coordination environment, i.e. symmetry and number of neighbors (coordination number) of an atom, as well as the distance between the central atom and its neighbors (inter-atomic distance). With increasing pressure and temperature, i.e. with increasing depth in the Earth, the density of the melt increases, which can lead to changes in coordination number and distances. If the coordination number remains the same, the distance usually decreases. If the coordination number ...
Anmerkung:
kumulative Dissertation
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Dissertation Universität Potsdam 2021
Weitere Ausg.:
Erscheint auch als Druck-Ausgabe Krstulović, Marija Local structure of network formers and network modifiers in silicate melts at high pressure and temperature conditions Potsdam, 2021
Sprache:
Englisch
Schlagwort(e):
Hochschulschrift
DOI:
10.25932/publishup-51641
URN:
urn:nbn:de:kobv:517-opus4-516415
URL:
https://doi.org/10.25932/publishup-51641
URL:
https://nbn-resolving.org/urn:nbn:de:kobv:517-opus4-516415
URL:
https://d-nb.info/1241667365/34
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