Enhancement of spin-orbit coupling and magnetic scattering in hydrogenated graphene

Cao, Shimin; Cao, Chuanwu; Tian, Shuang; Chen, Jianhao

doi:10.1103/physrevb.104.125422

Cited by 8 publications

(4 citation statements)

References 41 publications

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“…A crucial challenge toward this goal is the low SOC strength in graphene, which is essential to mediate the electrical manipulation of spins. Several approaches have been explored to enhance SOC in graphene such as hydrogenation, [105,106] fluorination, [107] interaction with metallic adatoms, [108,109] and proximity effect. [110][111][112][113][114] In particular, proximity-induced SOC in graphene/MoS 2 heterostructures has successfully enabled electrical control of the on/off states.…”

Section: Lateral Spin Valve and Spin Logic Devices In Graphenementioning

confidence: 99%

Graphene Spin Valves for Spin Logic Devices

2023

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An alternative to charge‐based electronics identifies the spin degree of freedom for information communication and processing. The long spin‐diffusion length in graphene at room temperature demonstrates its ability for highly scalable spintronics. The development of the graphene spin valve (SV) has inspired spin devices in graphene including spin field‐effect transistors and spin majority logic gates. A comprehensive picture of spin transport in graphene SVs is required for further development of spin logic. This review examines the advances in graphene SVs and their role in the development of spin logic devices. Different transport and scattering mechanisms in charge and spin are discussed. Furthermore, the on/off switching energy between graphene SVs and charge‐based FETs is compared to highlight their prospects for low‐power devices. The challenges and perspectives that need to be addressed for the future development of spin logic devices are then outlined.

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Section: Lateral Spin Valve and Spin Logic Devices In Graphenementioning

confidence: 99%

Graphene Spin Valves for Spin Logic Devices

2023

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“…Therefore, m a /c eff a works as an effective"decay constant" for axion. 9 In terms of a variable g −1 = ∂θ/∂m 5 (or ∂θ/∂d 5 in our notation) in the literature [6,34], it is given by…”

Section: Implication To Particle Axion Searchmentioning

confidence: 99%

“…Furthermore, it is important to find a magnetic environment that is suitable for the axion detection. In fact, the first-principles calculation shows that Mn 2 Bi 2 Te 5 , which is recently synthesized experimentally [9], has a variety of magnetic states [10]. In the literature the topological phases are tuned by layer 1 See, for examples, Refs.…”

Section: Introductionmentioning

confidence: 99%

Topology-insensitive axion mass in magnetic topological insulators

Ishiwata

2022

Phys. Rev. B

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We investigate collective excitations in magnetic topological insulators (TIs) and their impact on particle axion detection. In the three-dimensional TI model with the Hubbard term, the effective action of magnons and amplitude modes is formulated by dynamical susceptibility under the antiferromagnetic and ferromagnetic states. One of the amplitude modes is identified as "axionic" quasi-particle and its effective coupling to the electromagnetic fields turns out to be enhanced by about four orders of magnitude larger than the previous estimate, which may drastically change the sensitivity of the particle axion search using "axion" in magnetic TIs.

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“…Rashba SOI, which is induced by structural inversion symmetry, overshadows other spin-orbit interactions for narrow gap semiconductors and can be adjusted using external gate voltage. The presence of Rashba in quantum wires and dots in several different environments has been investigated extensively [19][20][21][22][23][24][25].…”

Section: Introductionmentioning

confidence: 99%

Quantum wire material modulated geometrical factors and electronic band structure within the presence of spin-orbit interaction

Priyanka

Sharma

2023

Quantum Optics and Photon Counting 2023

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In this study, we focus on the influence of quantum wire material on the geometrical factors and electronic energy band structure The system is defined by parabolic confinement which is exposed in the perpendicular magnetic field and Rashba spin-orbit interaction The dependence of the energy dispersion on the material of quantum wire has been examined Numerical results illustrate that the different materials of quantum wire cause the change in geometrical factors and shifting in the energy dispersion Moreover, the oddity in the physical parameters and energy subbands brings out the shift in the optical properties of quantum wire.

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Enhancement of spin-orbit coupling and magnetic scattering in hydrogenated graphene

Cited by 8 publications

References 41 publications

Graphene Spin Valves for Spin Logic Devices

Graphene Spin Valves for Spin Logic Devices

Topology-insensitive axion mass in magnetic topological insulators

Quantum wire material modulated geometrical factors and electronic band structure within the presence of spin-orbit interaction

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