Two-Photon Resonant Raman Scattering in Red-Hgl2

Teruya Ishihara, Nobukata Nagasawa

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

The two-photon resonant Raman scattering (TRRS) process via the excitonic molecule (EM) state in red-HgI2 is studied at 1.6 K. The intensity of the TRRS line is enhanced with FWHM 0.7 meV at 2.3324 eV which corresponds to a half of the EM energy. From the analysis of the TRRS data, the dispersion curve of the transverse exciton polariton is determined: The transverse exciton energy and its effective mass relative to the electron rest mass are obtained as 2.3348—0.0001 eV and 1.3 —0.1, respectively. The background dielectric constant, ∊¥, is determined to be 10.5 —0.5 from the Fabry-Perot interference fringes of a thin single crystal.

Original languageEnglish
Pages (from-to)2407-2410
Number of pages4
Journaljournal of the physical society of japan
Volume53
Issue number7
DOIs
Publication statusPublished - 1984 Jan 1
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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