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      저자 : 朴愛珠 이경미 (검색결과 2 건)
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      • V2O5-B2O3-Na2O系 유리半導體의 電氣的 性質에 관한 硏究

        朴愛珠 이경미 숙명여자대학교 자연과학연구소 1989 자연과학논문집 Vol.- No.1

        V2O5-B2O3-Na2O system glasses of varying V₂O₃ composition were prepared. The resistivity and the dielectric characteristic of these glasses were studied at various temperature from 20℃ to 180℃ with different frequency from 5×10⁴Hz to 107 Hz. The resistivity of the glasses were observed range from 107 to 10ⁿΩ-cm. In ρvs.10³/T was plotted, which gave linear relationship. The line showed the Arrhenius relation. The conductivity of the glasses were increased with V₂O₃ concentration and temperature were increased. The conduction is characterized as non-adiabatic small polaron hopping conduction. The dielectric constant showed decreasing exponentailly as frequency was increased. The tangent loss has a maximum point and this point showed a shifting toward the higher frequency when the temperature was raised.

      • V2O5-B2O3-Na2O系 유리半導體의 電氣的 性質에 관한 硏究

        朴愛珠,이경미 숙명여자대학교 자연과학연구소 1989 자연과학논문집 Vol.- No.1

        V2O5-B2O3-Na2O system glasses of varying V₂O₃ composition were prepared. The resistivity and the dielectric characteristic of these glasses were studied at various temperature from 20℃ to 180℃ with different frequency from 5×10⁴Hz to 107 Hz. The resistivity of the glasses were observed range from 107 to 10ⁿΩ-cm. In ρvs.10³/T was plotted, which gave linear relationship. The line showed the Arrhenius relation. The conductivity of the glasses were increased with V₂O₃ concentration and temperature were increased. The conduction is characterized as non-adiabatic small polaron hopping conduction. The dielectric constant showed decreasing exponentailly as frequency was increased. The tangent loss has a maximum point and this point showed a shifting toward the higher frequency when the temperature was raised.

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