Strain-promoted reversible spin transfer in rhombic graphene nanoflakes

Zhang, Yiming; Liu, Jing; Li, Chun; Jin, Wei; Lefkidis, Georgios; Hübner, Wolfgang

doi:10.1016/j.apsusc.2021.149770

Cited by 11 publications

(3 citation statements)

References 77 publications

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“…The laser-pulse parameters, namely incidence angles, amplitude, frequency, polarization, ellipticity, and chirp, are optimized with our own genetic algorithm [44]. Using such Λ-processes, the spin dynamics on numerous nanostructures, containing not only clusters [45][46][47] but also one-dimensional carbon chains [48][49][50] and 2D systems [51][52][53], has been successfully investigated and proven to be effective.…”

Section: Theory and Methodsmentioning

confidence: 99%

Designing spintronic devices in two-dimensional γ-graphyne: from ultrafast spin dynamics to logic applications

Xu(徐帅),

Xie(谢昊),

Zhang(张一鸣)

et al. 2024

J. Phys. D: Appl. Phys.

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The integration of two-dimensional (2D) materials into spintronics represents a frontier in the development of novel computational devices. In this work, by utilizing ab initio many-body theory, we investigate the spin dynamics within the Co-doped γ-graphyne structure, with a particular emphasis on the role of cobalt atoms as magnetic centers. The result reveals that each cobalt atom on the γ-graphyne hosts states with enough spin-density localization to facilitate both local spin flips and global spin transfers. The spin-dynamic processes in our study are characterized by ultrafast time scales and high fidelities, demonstrating efficient spin control in the system. Building upon these spin dynamics processes, we theoretically construct a spin-based Reset-Set (RS) latch, thus demonstrating the feasibility of sophisticated logic operations in our system. Such spin-based devices exhibit the advantages of nano-spintronics over conventional-electronic approaches, offering lower energy consumption, faster operational speeds, and greater potential for miniaturization. The results highlight the efficacy of γ-graphyne nanoflakes doped with cobalt atoms as spin-information processing units, signifying a pivotal advancement in the incorporation of graphyne-based materials into sophisticated spintronic devices. This research paves the way for their application in areas such as data storage, quantum computing, and the development of complex logic-processing architectures.

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Section: Theory and Methodsmentioning

confidence: 99%

Designing spintronic devices in two-dimensional γ-graphyne: from ultrafast spin dynamics to logic applications

Xu(徐帅),

Xie(谢昊),

Zhang(张一鸣)

et al. 2024

J. Phys. D: Appl. Phys.

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“…They demonstrated that the combination of the charge transfer processes and the spin bifurcation on these systems can be achieved. 35 Zhang and co-workers 36,37 investigated the laser-induced ultrafast spin dynamics processes on rhombic graphene nanoflakes and proposed two-qubit logic gates. Liu et al showed magnetostraintronics in Co-coordinating fullerenes and established the strain-to-spin dynamics correlation by choosing different vibrational modes.…”

Section: Introductionmentioning

confidence: 99%

Laser-induced ultrafast spin-transfer processes in non-linear zigzag carbon chain systems

Barhoumi,

Liu,

Lefkidis

et al. 2023

Phys. Chem. Chem. Phys.

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“…In general, there are four considerations when choosing suitable states. − First, both the initial and target states can couple to the same intermediate states under the laser pulse. The second one is that they exhibit a slight asymmetry, allowing individual lasers to address and maintain their ability to interact with each other.…”

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confidence: 99%

Optically Driven Both Classical and Quantum Unary, Binary, and Ternary Logic Gates on Co-Decorated Graphene Nanoflakes

Zhang,

Xu,

Liu

et al. 2023

J. Phys. Chem. Lett.

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Strain-promoted reversible spin transfer in rhombic graphene nanoflakes

Cited by 11 publications

References 77 publications

Designing spintronic devices in two-dimensional γ-graphyne: from ultrafast spin dynamics to logic applications

Designing spintronic devices in two-dimensional γ-graphyne: from ultrafast spin dynamics to logic applications

Laser-induced ultrafast spin-transfer processes in non-linear zigzag carbon chain systems

Optically Driven Both Classical and Quantum Unary, Binary, and Ternary Logic Gates on Co-Decorated Graphene Nanoflakes

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