Electronic and Transport Properties of C60-(Fe-Porphyrin-like)@GNR Single-Molecule Devices
Source abstract
Abstract
The electronic structures and conductivities of five C 60 -(Fe-porphyrin-like)@GNR single molecules formed by embedding the Fe-porphyrin-like part (FeP) into different graphene nanoribbon (GNR) planes were investigated using quantum chemistry methods. Each Fe atom in all of these molecules has a magnetic moment of about 2.0 μB. Within the considered bias, C 60 -(Fe-porphyrin-like)@GNR devices exhibit negative differential resistance (NDR) behavior (sometimes even double NDR peaks), and the ratio of the peak current to the valley current can reach 1229. The NDR behavior is significantly influenced by the FeP doping situation, electrode linkage, and bias. Furthermore, the spin-polarized conductivity can be detected, and the spin filter efficiency (SFE) oscillates in a zigzag manner with the bias, implying the potential applications in spin switches.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Graphene research and applications · Molecular Junctions and Nanostructures · Fullerene Chemistry and Applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
School of Materials Science and Engineering, Harbin University of Science and Technology, Harbin 150080, China
College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, China
Funding
Natural Science Foundation of Heilongjiang Province · National Natural Science Foundation of China
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