RESONANT RAMAN SCATTERING OF Hg1-xCdxTe  | Zendy

Huang Shi-Hua | Zendy; Yudong Mo | Zendy

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RESONANT RAMAN SCATTERING OF Hg1-xCdxTe 

Author(s) -

Huang Shi-Hua,

Yudong Mo

Publication year - 2001

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.50.964

Subject(s) - raman scattering , x ray raman scattering , scattering , raman spectroscopy , physics , phonon , atomic physics , anomalous scattering , condensed matter physics , optics

When the photon energy of an incident light is close to E0+Δ0 of Hg1-xCdxTe, we observe the resonant Raman scattering, “forbidden” resonant enhancement Raman scattering and the second-order resonant Raman scattering. We have analyzed the reason why we can observe the weak “forbidden” TO2 mode from the principal (100) face of Hg1-xCdxTe in the case of no resonant scattering; and also analyzed the reason why the “forbidden” TO2 mode from the principal (100) face of Hg1-xCdxTe increases significantly in the case of no resonant scattering. According to our analysis, we find that the second-order resonant Raman scattering by two LO phonons is caused largely by the interband Fr?hlich interaction.

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