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首页> 外文期刊>Physica, B. Condensed Matter >Effect of doping on electronic properties of double-walled carbon and boron nitride hetero-nanotubes
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Effect of doping on electronic properties of double-walled carbon and boron nitride hetero-nanotubes

机译:掺杂对碳纳米管和氮化硼双壁杂纳米管电子性能的影响

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摘要

The effect of boron nitride (BN) doping on electronic properties of armchair double-walled carbon and hetero-nanotubes is studied using ab initio molecular dynamics method. The armchair double-walled hetero-nanotubes are predicted to be semiconductor and their electronic structures depend strongly on the electronic properties of the single-walled carbon nanotube. It is found that electronic structures of BN-doped double-walled hetero-nanotubes are intermediate between those of double-walled boron nitride nanotubes and double-walled carbon and boron nitride hetero-nanotubes. Increasing the amount of doping leads to a stronger intertube interaction and also increases the energy gap.
机译:采用从头算分子动力学方法研究了氮化硼(BN)掺杂对扶手椅双壁碳纳米管和杂纳米管电子性能的影响。扶手椅双壁异质纳米管被预测为半导体,其电子结构在很大程度上取决于单壁碳纳米管的电子特性。发现掺BN的双壁杂纳米管的电子结构介于双壁氮化硼纳米管与双壁碳和氮化硼杂纳米管的电子结构之间。掺杂量的增加导致更强的管间相互作用,并且还增加了能隙。

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