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ID 34133
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Author
Tsujibayashi, Toru
Itoh, Minoru
Azuma, Junpei
Watanabe, Masayuki
Arimoto, Osamu
Nakanishi, Shunsuke
Abstract

We have conducted two-photon spectroscopy of core excitons in BaF2. Synchrotron radiation and laser light were used for 5p core-electron excitation and Auger-free luminescence was detected as the signal. Two-photon excitation enables access to f and p orbitals that cannot be reached by one-photon excitation of electrons in p orbitals. It has been found that the spin-orbit splittings of 4f and 6p states of the Ba ion in BaF2 are 0.7 +/- 0.1 and 1.4 +/- 0.1 eV, respectively.

Keywords
electronicstructure
spectra
absorption
crystals
baf2
sns
ges
Note
Digital Object Identifer:10.1103/PhysRevLett.94.076401
Published with permission from the copyright holder. This is the institute's copy, as published in Physical Review Letters, February 2005, Volume 94, Issue 7, Pages 4.
Publisher URL:http://dx.doi.org/10.1103/PhysRevLett.94.076401
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Copyright © 2005 The American Physical Society. All rights reserved.
Published Date
2005-2
Publication Title
Physical Review Letters
Volume
volume94
Issue
issue7
Content Type
Journal Article
language
English
Refereed
True
DOI
Web of Science KeyUT
Submission Path
physics_general/22