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ENERGY TRANSFER PATHWAYS FOR NO2-RARE GAS COMPLEXES IN HELIUM NANODROPLETS
by
Anton Zadorozhnyy
A Thesis Presented to the
FACULTY OF THE GRADUATE SCHOOL
UNIVERSITY OF SOUTHERN CALIFORNIA
In Partial Fulfillment of the
Requirements for the Degree
MASTER OF SCIENCE
(CHEMISTRY)
August 2009
Copyright 2009 Anton Zadorozhnyy
Object Description
| Title | Energy transfer pathways for NO2-rare gas complexes in helium nanodroplets |
| Author | Zadorozhnyy, Anton |
| Author email | zadorozh@usc.edu; a.zadorozhnyy@gmail.com |
| Degree | Master of Science |
| Document type | Thesis |
| Degree program | Chemistry |
| School | College of Letters, Arts and Sciences |
| Date defended/completed | 2009-05-01 |
| Date submitted | 2009 |
| Restricted until | Unrestricted |
| Date published | 2009-06-23 |
| Advisor (committee chair) | Wittig, Curt |
| Advisor (committee member) |
Krylov, Anna Kresin, Vitaly |
| Abstract | This thesis focuses on investigation of guest-host interaction between the unique environment inside the helium droplets and the embedded foreign species. Fast vibronic relaxation of nitrogen dioxide (NO2) molecule in helium droplets had been previously explained in terms of coupling to the nearest non-superfluid shell of helium atoms. Experiments described in this work aim to further characterize this shell by co-embedding nitrogen dioxide with rare gas (RG) atoms, Ne, Ar, Kr, and Xe. The excitation energy range was extended to lower energies (17300 - 17700 cm-1), where the spectrum is less congested. The effects of adding RG atoms on a strong, isolated NO2 line were examined. Additional spectral feature, attributed to NO2-Ne complex, was observed. The mechanisms responsible for this feature, as well as for the absence of any effects upon addition of other rare gases, are discussed. |
| Keyword | helium; droplets; nitrogen dioxide; superfluid; vibrational; vibronic; relaxation; ultracold; electronic excitation |
| Language | English |
| Part of collection | University of Southern California dissertations and theses |
| Publisher (of the original version) | University of Southern California |
| Place of publication (of the original version) | Los Angeles, California |
| Publisher (of the digital version) | University of Southern California. Libraries |
| Provenance | Electronically uploaded by the author |
| Type | texts |
| Legacy record ID | usctheses-m2317 |
| Rights | Zadorozhnyy, Anton |
| Repository name | Libraries, University of Southern California |
| Repository address | Los Angeles, California |
| Repository email | http://www.usc.edu/isd/libraries/services/ask_a_librarian/email/ |
| Filename | etd-Zadorozhnyy-2970 |
| Archival file | uscthesesreloadpub_Volume48/etd-Zadorozhnyy-2970.pdf |
Description
| Title | Page 1 |
| Full text | ENERGY TRANSFER PATHWAYS FOR NO2-RARE GAS COMPLEXES IN HELIUM NANODROPLETS by Anton Zadorozhnyy A Thesis Presented to the FACULTY OF THE GRADUATE SCHOOL UNIVERSITY OF SOUTHERN CALIFORNIA In Partial Fulfillment of the Requirements for the Degree MASTER OF SCIENCE (CHEMISTRY) August 2009 Copyright 2009 Anton Zadorozhnyy |
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