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Browsing by Author "HWANG, ST"

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    RAMAN CHARACTERIZATIONS OF RUTHENIUM DICHALCOGENIDES
    (1994-07-01)
    HWANG, ST
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    HUANG, JK
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    HUANG, YS
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    電子物理學系
    ;
    Department of Electrophysics
    Raman scattering of single-crystal RuTe2 has been carried out with good frequency resolution and wide wavelength coverage. In this article, our results are presented and compared with those for other ruthenium dichalcogenides (RuSe2, and RuS2) reported previously. We found a good linear relationship between all Raman shifts and the reciprocal chalcogen mass. We also observed resonant scattering related to inter-electronic-band transitions.
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    RAMAN-SCATTERING OF FEXRU1-XS2 MIXED-CRYSTALS
    (1994-11-01)
    HWANG, ST
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    LEE, MC
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    TSAY, MY
    ;
    HUANG, YS
    ;
    電子物理學系
    Raman scattering of mixed dichalcogenides FexRu1-xS2 has been measured for the first time. Our results show not only resonant enhancements that are related to the inter-electronic-band transitions, but also mixed mode behavior with strong coupling between neighboring Raman active modes. Good interpretation is obtained by the spa tial correlation model.
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    Resonance Raman scattering in ruthenium dichalcogenides
    (1994)
    LEE, MC
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    HWANG, ST
    ;
    電子物理學系
    ;
    Department of Electrophysics