Title

Very large magnetoresistive graphene disk with negative permittivity

Document Type

Article

Publication Date

1-7-2012

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.

Publication Source (Journal or Book title)

Nanoscale

First Page

152

Last Page

156

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