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Graphene Nanoribbon Simulator of Electronic Properties Using MATLAB

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In this research, a comprehensive simulation tool based on graphene and code named the Graphene Nanoribbon Simulator (GNRSIM) of electronic properties is developed with a graphical user interface (GUI). GNRSIM is based on the tight binding Hamiltonian (TBH) model where the Eigenvalues provide the band structure. The density of states (DOS) is computed by solving Green's Function. The interface of the GNRSIM is generated using the GUI Development Environment (GUIDE) in MATLAB that allows a user to key in four input parameters. The user can select the type of edges of the GNR, namely armchair or zigzag, its chirality (n, m) and the tight binding energy. It can simulate the electronic properties of the semiconductor, including the band structure, and the DOS can calculate the material width and length. These properties are important for understanding the electronic characteristics of nanoscale graphene. The output characteristics are shown graphically on the simulator. GNRSIM is developed to be a stand-alone application software that does not require the installation of MATLAB.
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Keywords: ARMCHAIR GRAPHENE NANORIBBON (AGNR); GRAPHENE FIELD-EFFECT TRANSISTOR (GFET); GRAPHICAL USER INTERFACE DESIGN ENVIRONMENT (GUIDE); ZIGZAG GRAPHENE NANORIBBON (ZGNR)

Document Type: Research Article

Publication date: March 1, 2018

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  • Journal of Nanoelectronics and Optoelectronics (JNO) is an international and cross-disciplinary peer reviewed journal to consolidate emerging experimental and theoretical research activities in the areas of nanoscale electronic and optoelectronic materials and devices into a single and unique reference source. JNO aims to facilitate the dissemination of interdisciplinary research results in the inter-related and converging fields of nanoelectronics and optoelectronics.
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