NDLI: Analysis of vacancy defects in hybrid graphene-boron nitride armchair nanoribbon based n-MOSFET at ballistic limit

Content Provider	IEEE Xplore Digital Library
Author	Chanana, A. Mahaptra, S. Sengupta, A.
Copyright Year	2015
Description	Author affiliation: Sch. of VLSI Technol., Indian Inst. of Eng. Sci. & Technol., Howrah, India (Sengupta, A.) \|\| Dept. of Electron. Syst. Eng., Indian Inst. of Sci., Bangalore, India (Chanana, A.; Mahaptra, S.)
Abstract	Here, we report the performance of vacancy affected supercell of a hybrid Graphene-Boron Nitride embedded armchair nanoribbon (a-GNR-BN) based n-MOSFET at its ballistic transport limit using Non Equilibrium Green's Function (NEGF) methodology. A supercell is made of the 3p configuration of armchair nanoribbon that is doped on the either side with 6 BN atoms and is also H-passivated. The type of vacancies studied are mono (B removal), di (B and N atom removal) and hole (removal of 6 atoms) formed all at the interface of carbon and BN atoms. Density Functional Theory (DFT) is employed to evaluate the material properties of this supercell like bandgap, effective mass and density of states (DOS). Further band gap and effective mass are utilized in self-consistent Poisson- Schrodinger calculator formalized using NEGF approach. For all the vacancy defects, material properties show a decrease which is more significant for hole defects. This observation is consistent in the device characteristics as well where ON-current (ION) and Sub Threshold Slope (SS) shows the maximum increment for hole vacancy and increase is more significant becomes when the number of defects increase.
Starting Page	1
Ending Page	4
File Size	731078
Page Count	4
File Format	PDF
ISBN	9780692515235
DOI	10.1109/IWCE.2015.7301942
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-09-02
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	International Wireless Communication Expo (IWCE)
Subject Keyword	Graphene Photonic band gap Boron Effective mass Physics Yttrium Atomic measurements
Content Type	Text
Resource Type	Article

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