University of Oulu

Synchrotron radiation based characterization of structural evolution of alkali halide clusters

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Author: Hautala, Lauri1
Organizations: 1University of Oulu, Faculty of Science, Physics
Format: ebook
Version: published version
Access: open
Online Access: PDF Full Text (PDF, 2.7 MB)
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Language: English
Published: Oulu : University of Oulu, 2017
Publish Date: 2017-12-04
Thesis type: Doctoral Dissertation
Defence Note: Academic Dissertation to be presented with the assent of the Faculty of Science, University of Oulu, for public discussion in the Auditorium YB210, on December 1st, 2017, at 12 o’clock noon.
Tutor: Professor Marko Huttula
Reviewer: Professor Stacey Sörensen
Docent Michal Fárník
Opponent: Professor Till Jahnke
Kustos: Professor Marko Huttula


In this work, evolution of structural properties of anhydrous and hydrated alkali halide clusters are studied using synchrotron radiation based photoelectron spectroscopy. Alkali metal core level spectra of small anhydrous RbCl, RbBr, CsCl and CsBr clusters indicate a NaCl structure. For larger CsBr clusters a structural phase transition to CsCl structure is likely the case. Alkali halide core level spectra of mixed RbBr-water clusters indicate that at dilute concentration the salt is dissolved by the water cluster but ion pairing increases with concentration. Modeling of gas phase cluster formation and electronic structure calculations of core level chemical shifts are used to interpret the experimental spectra.

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Osajulkaisut / Original papers

Osajulkaisut eivät sisälly väitöskirjan elektroniseen versioon / Original papers are not included in the electronic version of the dissertation.

  1. Hautala, L., Jänkälä, K., Mikkelä, M.-H., Tchaplyguine, M., & Huttula, M. (2015). Surface site coordination dependent responses resolved in free clusters: applications for neutral sub-nanometer cluster studies. Physical Chemistry Chemical Physics, 17(10), 7012–7022.

  2. Hautala, L., Jänkälä, K., Löytynoja, T., Mikkelä, M.-H., Prisle, N., Tchaplyguine, M., & Huttula, M. (2017). Experimental observation of structural phase transition in CsBr clusters. Physical Review B, 95(4).

    Rinnakkaistallennettu versio / Self-archived version

  3. Hautala, L., Jänkälä, K., Mikkelä, M.-H., Turunen, P., Prisle, N. L., Patanen, M., … Huttula, M. (2017). Probing RbBr solvation in freestanding sub-2 nm water clusters. Physical Chemistry Chemical Physics, 19(36), 25158–25167.

    Rinnakkaistallennettu versio / Self-archived version

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Series: Report series in physical sciences
ISSN: 1239-4327
ISSN-L: 1239-4327
ISBN: 978-952-62-1719-2
ISBN Print: 978-952-62-1718-5
Issue: 116
Copyright information: © University of Oulu, 2017. This publication is copyrighted. You may download, display and print it for your own personal use. Commercial use is prohibited.