Dynamics of single selenium chains confined in one-dimensional nanochannels of AlPO4 - 5: Temperature dependencies of the first- and second-order raman spectra

Publikation: Beitrag in Fachzeitschrift › Artikel › Forschung › Peer-Review

Autoren

  • Vladimir V. Poborchii
  • Alexander V. Kolobov
  • Jürgen Caro
  • Victor V. Zhuravlev
  • Kazunobu Tanaka

Externe Organisationen

  • National Institute of Advanced Industrial Science and Technology
  • RAS - Ioffe Physico Technical Institute
  • Joint Research Center for Atom Technology (JRCAT)
  • Leibniz-Institut für Katalyse e. V. an der Universität Rostock (LIKAT)
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Details

OriginalspracheEnglisch
Seiten (von - bis)1955-1958
Seitenumfang4
FachzeitschriftPhysical review letters
Jahrgang82
Ausgabenummer9
PublikationsstatusVeröffentlicht - 1 März 1999
Extern publiziertJa

Abstract

The temperature dependence of the Raman spectrum of single helical Se chains in nanochannels of AlPO4-5 was studied. Dramatic changes in the spectra due to structure transformations in this one-dimensional system are observed. The chains are found to be ordered at 77 K. Reversible weak disordering of the chains (mainly due to the large-amplitude torsional vibrations) occurs with increasing temperature. At temperatures above ˜340K, a phase transition accompanied with a structural relaxation of the chains to the strongly disordered state with unfixed dihedral angles (“torsional melting”) is observed.

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Dynamics of single selenium chains confined in one-dimensional nanochannels of AlPO4 - 5: Temperature dependencies of the first- and second-order raman spectra. / Poborchii, Vladimir V.; Kolobov, Alexander V.; Caro, Jürgen et al.
in: Physical review letters, Jahrgang 82, Nr. 9, 01.03.1999, S. 1955-1958.

Publikation: Beitrag in Fachzeitschrift › Artikel › Forschung › Peer-Review

Poborchii VV, Kolobov AV, Caro J, Zhuravlev VV, Tanaka K. Dynamics of single selenium chains confined in one-dimensional nanochannels of AlPO4 - 5: Temperature dependencies of the first- and second-order raman spectra. Physical review letters. 1999 Mär 1;82(9):1955-1958. doi: 10.1103/PhysRevLett.82.1955
Poborchii, Vladimir V. ; Kolobov, Alexander V. ; Caro, Jürgen et al. / Dynamics of single selenium chains confined in one-dimensional nanochannels of AlPO4 - 5 : Temperature dependencies of the first- and second-order raman spectra. in: Physical review letters. 1999 ; Jahrgang 82, Nr. 9. S. 1955-1958.
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Download

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AU - Caro, Jürgen

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AU - Tanaka, Kazunobu

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