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  The dielectric function of CaF2 between 10 and 35 eV

Barth, J., Johnson, R. L., Cardona, M., Fuchs, D., & Bradshaw, A. M. (1990). The dielectric function of CaF2 between 10 and 35 eV. Physical Review B, 41(5), 3291-3294. doi:10.1103/PhysRevB.41.3291.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0006-A762-F Version Permalink: https://hdl.handle.net/21.11116/0000-0006-B148-1
Genre: Journal Article

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PhysRevB.41.3291.pdf (Publisher version), 183KB
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https://hdl.handle.net/21.11116/0000-0006-B147-2
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1990
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 Creators:
Barth, J.1, Author
Johnson, R. L.1, Author
Cardona, M.1, Author
Fuchs, Dietmar2, Author           
Bradshaw, Alexander M.2, Author           
Affiliations:
1Max-Planck-Institut für Festkörperforschung, Heisenbergstrasse 1, D-7000 Stuttgart 80, Federal Republic of Germany, ou_persistent22              
2Fritz Haber Institute, Max Planck Society, ou_24021              

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 Abstract: The dielectric function of CaF2 over the photon energy region 10–35 eV has been determined by spectroscopic ellipsometry. Close to the fundamental absorption edge the data agree fairly well with band-structure calculations. A sharp exciton at the Ca 3p threshold (27.9 eV) is immediately followed by structures which can be attributed to variations in the conduction-band density of states. The strong transitions observed at higher energies cannot be explained in the one-electron band-structure model. Detailed theoretical calculations are required.

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Language(s): eng - English
 Dates: 1989-11-291990-02-15
 Publication Status: Issued
 Pages: 4
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1103/PhysRevB.41.3291
 Degree: -

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Title: Physical Review B
  Abbreviation : Phys. Rev. B
Source Genre: Journal
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Publ. Info: Woodbury, NY : American Physical Society
Pages: 4 Volume / Issue: 41 (5) Sequence Number: - Start / End Page: 3291 - 3294 Identifier: ISSN: 1098-0121
CoNE: https://pure.mpg.de/cone/journals/resource/954925225008