Electrical properties of C4+ irradiated single-walled carbon nanotube paper

Skakalova V; Kaiser AB; Dettlaff U; Arstila K; Krasheninnikov AV; Keinonen J; Roth S

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Electrical properties of C4+ irradiated single-walled carbon nanotube paper

机译：C4 +辐照单壁碳纳米管纸的电性能

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Single-walled carbon nanotube (SWNT) networks have been irradiated with a C-12(4+) ion beam (ion energy 23 MeV) to investigate changes to their properties. Measurements of the Raman D-line show that the irradiation produces structural defects throughtout SWNT paper of thickness 40 mu m, with a linear increase in defects at the back side of the sample, but a saturating tendency occurring at the front (irradiated) side. The resistance of the samples also increases linearly with irradiation dose. The temperature dependence of the conductivity of the samples is changed progressively by the irradiation, whereas the pristine sample exhibits mixed metallic nonmetallic character consistent with the usual model of metallic conduction interrupted by thin barriers through which fluctuation-assisted tunnelling occurs, the temperature dependence loses its metallic character and follows three dimensional variable-range hopping for the most irradiated sample. (C) 2008 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim

机译：单壁碳纳米管（SWNT）网络已用C-12（4+）离子束（离子能量为23 MeV）进行了辐照，以研究其性质的变化。拉曼D线的测量结果表明，辐照会在整个厚度为40μm的SWNT纸上产生结构缺陷，缺陷在试样背面呈线性增加，但在正面（辐照）会出现饱和趋势。样品的电阻也随辐照剂量线性增加。样品的电导率对温度的依赖性随辐照而逐渐变化，而原始样品表现出混合的金属非金属特性，与通过薄壁垒打断的金属传导的通常模型相一致，通过薄壁垒发生波动辅助隧穿，温度依赖性消失了。金属特性，并且对于最受辐照的样品遵循三维可变范围跳变。（C）2008 WILEY-VCH Verlag GmbH＆Co.KGaA，Weinheim

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《Physica status solidi, B. Basic research》 |2008年第10期|共4页
作者
Skakalova V; Kaiser AB; Dettlaff U; Arstila K; Krasheninnikov AV; Keinonen J; Roth S;
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正文语种 eng
中图分类固体物理学;
关键词
ION IRRADIATION; NETWORKS; CONDUCTIVITY;

机译：离子辐照;网络;电导率;

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Electrical properties of C4+ irradiated single-walled carbon nanotube paper

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