Characterization of Aluminum Contacts on Cobalt Oxide Films Grown with Different Oxygen Concentrations

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Author(s):	Angelico, Joao C. ; Neto, Nilton F. A. ; Da Silva, Jose H. Dias Total Authors: 3
Document type:	Journal article
Source:	JOURNAL OF ELECTRONIC MATERIALS; v. 48, n. 11, p. 6-pg., 2019-11-01.
Abstract
The electronic transport in a metal/semiconductor/metal (MSM) structure, consisting of cobalt oxide films with aluminum (Al) contacts, was investigated. The cobalt oxides were grown by direct current (DC) magnetron sputtering using different oxygen gas flow rates. The behavior of the electric conductivity in the 200 K-350 K temperature range, the Schottky barrier heights ( null B) and specific contact resistances (Rc) were investigated. The analysis shows that small oxygen flow variations produce significant changes in electrical characteristics of the MSM structure. (AU)

FAPESP's process:	17/18916-2 - Optimization of the Growth Process of Co3O4 Films for Photovoltaic and Photocatalytic Applications
Grantee:	Jose Humberto Dias da Silva
Support Opportunities:	Regular Research Grants