Work

Fabrication and electric-field-dependent transport measurements of mesoscopic graphite devices

Year: 2005

Type: article

Abstract: We have developed a unique micromechanical method to extract extremely thin graphite samples. Graphite crystallites with thicknesses ranging from 10 to 100nm and lateral size ∼2μm 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.

Source: Applied Physics Letters

DOI: 10.1063/1.1862334

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

Institution: Columbia University

Language: English

Topic: Graphene research and applications

Subfield: Materials Chemistry

Field: Materials Science

Domain: Physical Sciences

Open Access status: green

Funders: National Science Foundation, Office of Science, Division of Chemistry

Awards: Nanoscience and Engineering Center: Columbia Center for Electronic Transport in Molecular Nanostructures, G8476215133