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Preparing graphitic schist as a pressure sensor precursor by carbon separation using electromagnetic techniques

K. KOKKORIS1, K. PANAGOPOULOS1, P. E. TSAKIRIDIS1, E. HRISTOFOROU1,*

Affiliation

  1. School of Mining and Metallurgy Engineering, National Technical University of Athens, Zografou Campus, Athens 15780, Greece

Abstract

In this paper the possible application of carbon-free graphitic schist as precursor for electronic pressure sensors is presented. The sensor principle is based on the change of the dielectric properties of the carbon-free ore, provided that the rest of the stoichiometry remains unchanged. Microwave and radio frequency techniques have been developed to obtain such carbon separation. Dielectric constant response suggests a monotonic dependence on ambient pressure..

Keywords

Graphitic schist, Electromagnetic separation, Dielectric materials.

Submitted at: March 16, 2006
Accepted at: May 18, 2006

Citation

K. KOKKORIS, K. PANAGOPOULOS, P. E. TSAKIRIDIS, E. HRISTOFOROU, Preparing graphitic schist as a pressure sensor precursor by carbon separation using electromagnetic techniques, Journal of Optoelectronics and Advanced Materials Vol. 8, Iss. 3, pp. 1278-1282 (2006)