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  Identification of near-infrared Cr2+ luminescence in ZnSe

Lehr, M. U., Litzenburger, B., Kreissl, J., Pohl, U. W., Selber, H., Schulz, H.-J., et al. (1997). Identification of near-infrared Cr2+ luminescence in ZnSe. Journal of Physics: Condensed Matter, 9(3), 753-763. doi:10.1088/0953-8984/9/3/015.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0008-EC28-2 Version Permalink: https://hdl.handle.net/21.11116/0000-0008-EC29-1
Genre: Journal Article

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 Creators:
Lehr, M. U.1, Author           
Litzenburger, B.2, Author
Kreissl, J.2, Author
Pohl, U. W.2, Author
Selber, Heiko3, Author           
Schulz, Hans-Joachim3, Author           
Klimakov, A.4, Author
Worschech, L.5, Author
Affiliations:
1Fritz Haber Institute, Max Planck Society, ou_24021              
2Institut für Festkörperphysik, Technische Universität Berlin, Hardenbergstrasse 36, D-10623 Berlin, Germany, ou_persistent22              
3Inorganic Chemistry, Fritz Haber Institute, Max Planck Society, ou_24023              
4Institut für Physik, Humboldt-Universität zu Berlin, Unter den Linden 6, D-10099 Berlin, Germany, ou_persistent22              
5Physikalisches Institut, Universität Würzburg, Am Hubland, D-97074 Würzburg, Germany, ou_persistent22              

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 Abstract: A Cr-related near-infrared photoluminescence (PL) band in ZnSe with a main nophonon line at 10 702.2 cm−1 is investigated. Zeeman splitting indicates a tetragonally distorted ground state. The experimental data agree well with calculations using a spin Hamiltonian with parameters obtained from the 5T2(D) ground state of ZnSe: Cr2+(d4). This contradicts a former
assignment of the PL band to a 4T1/ G→6A1(S) emission of ZnSe: Cr+(d5). Crystal field calculations demonstrate that the observed no-phonon lines and the corresponding luminescence band can reasonably be interpreted in terms of a 3T1(H)→5T2(D) transition within the d4
configuration of Cr2+. Furthermore, the influence of unmodulated supplementary irradiation on
transmission and PL excitation spectra is discussed.

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Language(s): eng - English
 Dates: 1996-08-271997-01-27
 Publication Status: Issued
 Pages: 11
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1088/0953-8984/9/3/015
 Degree: -

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Title: Journal of Physics: Condensed Matter
  Abbreviation : J. Phys. Condens. Matter.
Source Genre: Journal
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Publ. Info: Bristol : IOP Publishing
Pages: 11 Volume / Issue: 9 (3) Sequence Number: - Start / End Page: 753 - 763 Identifier: ISSN: 0953-8984
CoNE: https://pure.mpg.de/cone/journals/resource/954928562478