| 碘掺杂聚乙炔电子自旋共振及导电性的研究 |
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| 引用本文： | 崔云龙,林森浩,张家骅.碘掺杂聚乙炔电子自旋共振及导电性的研究[J].物理学报,1993,42(2):340-344. |
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| 作者姓名： | 崔云龙 林森浩 张家骅 |
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| 作者单位： | 中国科学院上海原子核研究所,上海201800 |
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| 摘 要： | 用四探针法测量掺碘聚乙炔薄膜CH(I3)y]x,当y=1.0％,4.2％和8.3％时面电阻随温度的变化,发现它们可用变程跳跃(VRH)模型很好的描述。用电子自旋共振(ESR)谱仪研究了不同温度下低浓度碘掺杂聚乙炔的自旋磁化率、峰峰宽等。并给出相应的理论解释。
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| 关 键 词： | 聚乙炔 碘 电子自旋共振 导电性 |
| 收稿时间： | 1/9/1992 12:00:00 AM |
STUDIES ON ELECTRIC CONDUCTIVITY AND ELECTRON SPIN RESONANCE FOR IODINE DOPED POLYACETYLENE |
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| GUI YUN-LONG,LIN SEN-HAO and ZHANG JIA-HUA.STUDIES ON ELECTRIC CONDUCTIVITY AND ELECTRON SPIN RESONANCE FOR IODINE DOPED POLYACETYLENE[J].Acta Physica Sinica,1993,42(2):340-344. |
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| Authors: | GUI YUN-LONG LIN SEN-HAO and ZHANG JIA-HUA |
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| Abstract: | The four-probe technique is used to measire the electric conductivity of polyacetylene doped with iodine. For dopant concentration ranging from 1.0 to 8.3 mol% in cis-(CH)x, the obtained conductivity values for different temperatures are consistent with the variable-range hopping model. The mechanisms of the temperature dependence of the ESR spin magnetic susceptibility and line width for low iodine concentrations are studied. |
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