Very large magnetoresistive graphene disk with negative permittivity

Jiahua Zhu; Suying Wei; Neel Haldolaarachchige; Jun He; David P. Young; Zhanhu Guo

doi:10.1039/c1nr11101a

Very large magnetoresistive graphene disk with negative permittivity

Jiahua Zhu, Suying Wei, Neel Haldolaarachchige, Jun He, David P. Young, Zhanhu Guo

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44 引用（Scopus）

摘要

At room temperature a large magnetoresistance (MR) of up to 70% is observed in graphene. Both graphene size and surface functionality influence the MR behavior significantly. The conductivity increases linearly with increasing temperature and a unique negative permittivity over a wide frequency range from 10 ³ to 10 ⁶ Hz is observed at room temperature.

源语言	英语
页（从-至）	152-156
页数	5
期刊	Nanoscale
卷	4
期	1
DOI	https://doi.org/10.1039/c1nr11101a
出版状态	已出版 - 7 1月 2012
已对外发布	是

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abstract = "At room temperature a large magnetoresistance (MR) of up to 70% is observed in graphene. Both graphene size and surface functionality influence the MR behavior significantly. The conductivity increases linearly with increasing temperature and a unique negative permittivity over a wide frequency range from 10 3 to 10 6 Hz is observed at room temperature.",

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AU - Young, David P.

AU - Guo, Zhanhu

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AB - At room temperature a large magnetoresistance (MR) of up to 70% is observed in graphene. Both graphene size and surface functionality influence the MR behavior significantly. The conductivity increases linearly with increasing temperature and a unique negative permittivity over a wide frequency range from 10 3 to 10 6 Hz is observed at room temperature.

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Very large magnetoresistive graphene disk with negative permittivity

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