Spin and charge quantum pumping in zigzag silicene nanoribbon and investigating the effect of width on pumped currents

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Bourbour f.; ESMAEILZADEH M.; ELAHI S.M.; ESLAMI L.; DARABI E.

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Journal: NANOSCALE Year:2020 | Volume:7 | Issue:1 Page(s): 1-12

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Title

Spin and charge quantum pumping in zigzag silicene nanoribbon and investigating the effect of width on pumped currents

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Keywords

quantum pumpingQ1

silicone nanoribbonQ1

Graphene nanoribbonQ1

Green’s functionQ1

spin polarized currentQ1

Abstract

In this work, the spin polarized currents based on zigzag silicene nano-ribbon (ZSNR) in adiabatic regime has investigated by using Keldysh Green function method. For generating spin pumped current, two times dependent potential in two side of system is used in the presence of ferromagnetic exchange field is used. In this condition with applying electric field one can induce 100% spin polarized pumped current. We also investigate the effects of width zigzag silicone nanoribbons (ZSNR) and compare them with zigzag Graphene nanoribbon (GNR) and show that the pumped charge current in the ZSNR is nearly the same for odd and even numbers of carbon chains but in the zigzag Graphene nanoribbon (ZGNR) strongly depends on nanoribbon width such that the maximum pumped current for width with even numbers of carbon chains is at least five times larger than the with odd numbers.

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APA: Copy

Bourbour, f., ESMAEILZADEH, M., ELAHI, S.M., ESLAMI, L., & DARABI, E.. (2020). Spin and charge quantum pumping in zigzag silicene nanoribbon and investigating the effect of width on pumped currents. NANOSCALE, 7(1 ), 1-12. SID. https://sid.ir/paper/256986/en

Vancouver: Copy

Bourbour f., ESMAEILZADEH M., ELAHI S.M., ESLAMI L., DARABI E.. Spin and charge quantum pumping in zigzag silicene nanoribbon and investigating the effect of width on pumped currents. NANOSCALE[Internet]. 2020;7(1 ):1-12. Available from: https://sid.ir/paper/256986/en

IEEE: Copy

f. Bourbour, M. ESMAEILZADEH, S.M. ELAHI, L. ESLAMI, and E. DARABI, “Spin and charge quantum pumping in zigzag silicene nanoribbon and investigating the effect of width on pumped currents,” NANOSCALE, vol. 7, no. 1 , pp. 1–12, 2020, [Online]. Available: https://sid.ir/paper/256986/en

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