Fabrication and Electric Field Dependent Transport Measurements of
  Mesoscopic Graphite Devices

Kim, Philip; Pontius, William V.; Small, Joshua P; Zhang, Yuanbo

doi:10.1063/1.1862334

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Is Open Access

Fabrication and Electric Field Dependent Transport Measurements of Mesoscopic Graphite Devices

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Author(s): Yuanbo Zhang , Joshua P. Small , William V. Pontius , Philip Kim

Publication date Created: 12 October 2004

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Abstract

We have developed a unique micromechanical method to extract extremely thin graphite samples. Graphite crystallites with thicknesses ranging from 10 - 100 nm and lateral size \(\sim\) 2 \(\mu\)m are extracted from bulk. Mesoscopic graphite devices are fabricated from these samples for electric field dependent conductance measurements. Strong conductance modulation as a function of gate voltage is observed in the thinner crystallite devices. The temperature dependent resistivity measurements show more boundary scattering contribution in the thinner graphite samples.