Can enhancement in tunnelling width influence the final spintronic feature of two-dimensional nanostructure of graphitic carbon nitride-(graphene)- graphitic carbon nitride?. Issue 1 (February 2021)

• Record Type: Journal Article
• Authors: Bhowmick, Rinki; Chattopadhyaya, Mausumi; Chakraborty, Jit; Chakraborty, Barnadip; Roy, Anusweta; Neogi, Biswarup; Koley, Sayantanu; Sen, Sabyasachi
• Is Part Of: Journal of physics. Volume 1797:Issue 1(2021)
• Publication Date: 2021-02
• Subjects: Physics -- Congresses; 530.5
• DOI: 10.1088/1742-6596/1797/1/012046
• Languages: English
• ISSNs: 1742-6588

Abstract

Abstract: Herein we present a theoretical foray on crucial role played by the graphitic tunnelling barrier in tuning spintronic feature of two-dimensional insulating graphene layer sandwiched between two ferromagnetic graphitic carbon nitride (g- C4 N3 ) electrodes. We mainly focused on the tuning of spin filter efficiency due to the alteration in tunnelling width. 100% spin filter efficiency reported at each tunnelling width. High degree of spin filter efficiency is restored even at finite bias over a wide range of bias range -1.0 V to +1.0 V. Entire observation have been explained by analysing transmission spectrum at zero bias and a molecular level origin of the observed spintronic response of the device have been provided by analysing the Molecular Projected Self-Consistent Hamiltonian states (MPSH) and transmission pathways of the system.