Raman study of order-disorder phase transitions in polydialkylmetallanes of the type [R2M]n: organometallic polymers with the main chain consisting entirely of either Si, or Ge, or Sn atoms

Sergey S. Bukalov; Larissa A. Leites

doi:10.1117/12.378106

18 February 2000 Raman study of order-disorder phase transitions in polydialkylmetallanes of the type [R2M]n: organometallic polymers with the main chain consisting entirely of either Si, or Ge, or Sn atoms

Sergey S. Bukalov, Larissa A. Leites

Author Affiliations +

Proceedings Volume 4069, Raman Scattering; (2000) https://doi.org/10.1117/12.378106
Event: Raman Scattering, 1998, Moscow, Russian Federation

Abstract

Variable-temperature Raman studies were carried out for some representatives of a novel class of industrially promising (sigma) -conjugated polymers-polymetallanes of the type (R₂M)_n, M equals Si, Ge, Sn. Electronic-conformational nature of the thermochromic phase transitions of order- disorder type exhibited by some of these polymers was investigated. The applicability of Shorygin's semi-classical approach to the pre-resonant Raman intensity enhancement was confirmed experimentally by the example of polysilanes.

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Sergey S. Bukalov and Larissa A. Leites "Raman study of order-disorder phase transitions in polydialkylmetallanes of the type [R2M]n: organometallic polymers with the main chain consisting entirely of either Si, or Ge, or Sn atoms", Proc. SPIE 4069, Raman Scattering, (18 February 2000); https://doi.org/10.1117/12.378106

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