MAGNETIC PROPERTIES OF ZIGZAG (0, 9) GAAS NANOTUBE DOPED WITH 3D TRANSITION METALS

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FATHI R.; Movlarooy T.

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Journal: Iranian Journal of Physics Research Year:2016 | Volume:16 | Issue:1 Page(s): 35-44

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Title

MAGNETIC PROPERTIES OF ZIGZAG (0, 9) GAAS NANOTUBE DOPED WITH 3D TRANSITION METALS

Author(s)

FATHI R. | Movlarooy T. | Issue Writer Certificate

Keywords

DFTQ1

DMSQ1

GAASN ANOTUBE SPINTRONICQ1

TRANSITION METALSQ2

Abstract

of 3d TRANSITION METALS (Sc, Ti, Cr, Mn, Fe, Co, Ni) in both far and close situations were studied based on spin polarised density functional theory using the generalized gradient approximation (LDA) with SIESTA code. The electronic structures show that zigzag (0,9) GaAs nanotubes are non-magnetic semiconductors with direct band gap. It was revealed that doping of 11.11 % Fe and Mn concentrations substituted in Ga sites in ferromagnetic phase in far situation and Cr sites in ferromagnetic phase in near situation introduces half metallic behavior with %100 spin polarization. The unique structure of spin polarised energy levels is primarily attributed to strong hybridization of 3d transition metal and its nearest-neighbor As-4p orbitals. The results of this study can be useful for empirical studies on diluted magnetic semiconductors (DMSs) and systemic investigation in 3d transitional metals. We suggest that GaAs nanotubes doped by TRANSITION METALS would have a potential application as a spin polarised electron source for spintronic devices in the future.

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APA: Copy

FATHI, R., & Movlarooy, T.. (2016). MAGNETIC PROPERTIES OF ZIGZAG (0, 9) GAAS NANOTUBE DOPED WITH 3D TRANSITION METALS. IRANIAN JOURNAL OF PHYSICS RESEARCH, 16(1), 35-44. SID. https://sid.ir/paper/1439/en

Vancouver: Copy

FATHI R., Movlarooy T.. MAGNETIC PROPERTIES OF ZIGZAG (0, 9) GAAS NANOTUBE DOPED WITH 3D TRANSITION METALS. IRANIAN JOURNAL OF PHYSICS RESEARCH[Internet]. 2016;16(1):35-44. Available from: https://sid.ir/paper/1439/en

IEEE: Copy

R. FATHI, and T. Movlarooy, “MAGNETIC PROPERTIES OF ZIGZAG (0, 9) GAAS NANOTUBE DOPED WITH 3D TRANSITION METALS,” IRANIAN JOURNAL OF PHYSICS RESEARCH, vol. 16, no. 1, pp. 35–44, 2016, [Online]. Available: https://sid.ir/paper/1439/en

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