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High-resolution spectroscopy in superfluid helium droplets. Investigation of vibrational fine structures in electronic spectra of phthalocyanine and porphyrin derivatives

Riechers, Ricarda Eva Friederike Elisabeth (2012) High-resolution spectroscopy in superfluid helium droplets. Investigation of vibrational fine structures in electronic spectra of phthalocyanine and porphyrin derivatives. PhD, Universität Regensburg.

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Date of publication of this fulltext: 13 Jan 2012 09:05

Abstract (English)

Superior to supersonic jet experiments where rotational temperatures of 1 K are easily reached while vibrational temperatures of 10 K may persist, superfluid helium droplets incorporating a molecule cool all degrees of freedom of the dopant to the same temperature safe in the sub-Kelvin regime at 0.37 K. Due to the dissipative medium, simplification of electronic spectra is achieved since only ...

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Translation of the abstract (German)

Im Gegensatz zu Düsenstrahlexperimenten, in denen Rotationstemperaturen von 1 K leicht erreicht werden können wohingegen Schwingungsenergien von etwa 10 K erhalten bleiben, kühlen superflüssige Heliumtröpfchen alle Freiheitsgrade eines eingebetteten Moleküls auf die gleiche Temperatur von 0.37 K. Aufgrund des dissipativen Mediums wird eine Vereinfachung elektronischer Spektren erreicht, da nur ...

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Item type:Thesis of the University of Regensburg (PhD)
Date:13 January 2012
Referee:Prof. Dr. Alkwin Slenczka
Date of exam:2 May 2011
Institutions:Chemistry and Pharmacy > Institut für Physikalische und Theoretische Chemie > Chair of Chemistry III - Physical Chemistry (Molecular Spectroscopy and Photochemistry) > Prof. Dr. Alkwin Slenczka
Keywords:superfluid helium droplets, porphyrin, phthalocyanine, electronic spectra, laser spectroscopy
Dewey Decimal Classification:500 Science > 540 Chemistry & allied sciences
Status:Published
Refereed:Yes, this version has been refereed
Created at the University of Regensburg:Yes
Item ID:20778
Owner only: item control page

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