Electron ionization and spin polarization control of Fe atom adsorbed graphene irradiated by a femtosecond laser

Dong Yu; Lan Jiang; Feng Wang; Xin Li; Liangti Qu; Yongfeng Lu

doi:10.1016/j.physleta.2015.06.001

Electron ionization and spin polarization control of Fe atom adsorbed graphene irradiated by a femtosecond laser

Dong Yu, Lan Jiang, Feng Wang, Xin Li, Liangti Qu, Yongfeng Lu

Electrical & Computer Engineering

Research output: Contribution to journal › Article › peer-review

6 Scopus citations

Abstract

We investigate the structural properties and ionized spin electrons of an Fe-graphene system, in which the time-dependent density functional theory (TDDFT) within the generalized gradient approximation is used. The electron dynamics, including electron ionization and ionized electron spin polarization, is described for Fe atom adsorbed graphene under femtosecond laser irradiation. The theoretical results show that the electron ionization and ionized electron spin polarization are sensitive to the laser parameters, such as the incident angle and the peak intensity. The spin polarization presents the maximum value under certain laser parameters, which may be used as a source of spin-polarized electrons.

Original language	English (US)
Pages (from-to)	2615-2618
Number of pages	4
Journal	Physics Letters, Section A: General, Atomic and Solid State Physics
Volume	379
Issue number	40-41
DOIs	https://doi.org/10.1016/j.physleta.2015.06.001
State	Published - Oct 23 2015

Keywords

Femtosecond laser
First-principle
Graphene
Spin polarization

ASJC Scopus subject areas

Physics and Astronomy(all)

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10.1016/j.physleta.2015.06.001

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Electron ionization and spin polarization control of Fe atom adsorbed graphene irradiated by a femtosecond laser. / Yu, Dong; Jiang, Lan; Wang, Feng; Li, Xin; Qu, Liangti; Lu, Yongfeng.

In: Physics Letters, Section A: General, Atomic and Solid State Physics, Vol. 379, No. 40-41, 23.10.2015, p. 2615-2618.

Research output: Contribution to journal › Article › peer-review

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abstract = "We investigate the structural properties and ionized spin electrons of an Fe-graphene system, in which the time-dependent density functional theory (TDDFT) within the generalized gradient approximation is used. The electron dynamics, including electron ionization and ionized electron spin polarization, is described for Fe atom adsorbed graphene under femtosecond laser irradiation. The theoretical results show that the electron ionization and ionized electron spin polarization are sensitive to the laser parameters, such as the incident angle and the peak intensity. The spin polarization presents the maximum value under certain laser parameters, which may be used as a source of spin-polarized electrons.",

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AU - Yu, Dong

AU - Jiang, Lan

AU - Wang, Feng

AU - Li, Xin

AU - Qu, Liangti

AU - Lu, Yongfeng

PY - 2015/10/23

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N2 - We investigate the structural properties and ionized spin electrons of an Fe-graphene system, in which the time-dependent density functional theory (TDDFT) within the generalized gradient approximation is used. The electron dynamics, including electron ionization and ionized electron spin polarization, is described for Fe atom adsorbed graphene under femtosecond laser irradiation. The theoretical results show that the electron ionization and ionized electron spin polarization are sensitive to the laser parameters, such as the incident angle and the peak intensity. The spin polarization presents the maximum value under certain laser parameters, which may be used as a source of spin-polarized electrons.

AB - We investigate the structural properties and ionized spin electrons of an Fe-graphene system, in which the time-dependent density functional theory (TDDFT) within the generalized gradient approximation is used. The electron dynamics, including electron ionization and ionized electron spin polarization, is described for Fe atom adsorbed graphene under femtosecond laser irradiation. The theoretical results show that the electron ionization and ionized electron spin polarization are sensitive to the laser parameters, such as the incident angle and the peak intensity. The spin polarization presents the maximum value under certain laser parameters, which may be used as a source of spin-polarized electrons.

KW - Femtosecond laser

KW - First-principle

KW - Graphene

KW - Spin polarization

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