Conductance Characteristics of Carbon Microcoil Based on a Two-band Model of π–electron

Chin J Mater Res

2011, Vol. 25

Issue (2): 187-192 DOI:

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Conductance Characteristics of Carbon Microcoil Based on a Two-band Model of π–electron

WU Fayu, ZHANG Junwei, ZHOU Yanwen, LI Weijuan

School of Material and Metallurgy, University of Science and Technology Liao Ning, 185 Qianshan Road, Anshan 114051

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WU Fayu ZHANG Junwei ZHOU Yanwen LI Weijuan. Conductance Characteristics of Carbon Microcoil Based on a Two-band Model of π–electron. Chin J Mater Res, 2011, 25(2): 187-192.

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Abstract A simple two-band model of π-electron (STB) was used to analyze electrical conductance characteristics of carbon microcoil (CMC) in this paper. The research results showed that the as-grown CMC had a p-Type STB model with the Fermi-level depression and the graphitizated CMC had an n-Type STB model for high ordered degree structure. After graphitization, the crystal lattice tended to becoming perfect, and the electrical conductivity of CMC was evidently enhanced as a result of the increasing carrier concentration and carrier mobility.

Key words: inorganic non-metallic materials carbon microcoil electrical conductance characteristics simple two-band model of π-electron graphitization

Received: 22 July 2010

ZTFLH:

TB321

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Supported by National Natural Science Foundation of China No.50872048.

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https://www.cjmr.org/EN/ OR https://www.cjmr.org/EN/Y2011/V25/I2/187

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