English
Related papers

Related papers: Enhanced spin-orbit coupling in hydrogenated and f…

200 papers

Graphene has an unusual low-energy band structure with four chiral bands and half-quantized and quantized Hall effects that have recently attracted theoretical and experimental attention. We study the Fermi energy and disorder dependence of…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 N. A. Sinitsyn , J. E. Hill , Hongki Min , Jairo Sinova , A. H. MacDonald

A systematic study is conducted on the fluorination-enriched essential properties of 2D graphene and 1D graphene nanoribbons using the first-principles method. The combined effects, which arise from the significant chemical bonds in C-C,…

Materials Science · Physics 2017-12-21 Khanh Duy Nguyen , Thuy Ngoc Thanh Tran , Tien Thanh Nguyen , Yu-Huang Chiu , Ming-Fa Lin

The induced-proximity effects of nearly commensurate lattice structure of a graphene layer on Ni(111) and Co(0001) substrates in the AC stacking configuration are addressed through an analytical tight-binding approach within the…

Mesoscale and Nanoscale Physics · Physics 2019-06-05 Mayra Peralta , Ernesto Medina , Francisco Mireles

Graphene is known to have small intrinsic spin-orbit Interaction (SOI). In this review, we demonstrate that SOIs in graphene can be strongly enhanced by proximity effect when graphene is deposited on the top of transition metal…

Mesoscale and Nanoscale Physics · Physics 2021-12-16 Taro Wakamura , Sophie Guéron , Hélène Bouchiat

Hydrogen adatoms are one of the most the promising proposals for the functionalization of graphene. Hydrogen induces narrow resonances near the Dirac energy, which lead to the formation of magnetic moments. Furthermore, they also create…

Mesoscale and Nanoscale Physics · Physics 2018-04-24 Luis A. González-Árraga , J. L. Lado , F. Guinea

Spintronics---the all-electrical control of the electron spin for quantum or classical information storage and processing---is one of the most promising applications of the two-dimensional material graphene. Although pristine graphene has…

Mesoscale and Nanoscale Physics · Physics 2018-10-24 Chunli Huang , Y. D. Chong , Miguel. A. Cazalilla

Spin-orbit coupling (SOC) is essential in understanding the properties of 5d transition metal compounds, whose SOC value is large and almost comparable to other key parameters. Over the past few years, there have been numerous studies on…

In this review we discuss the multifaceted problem of spin transport in hydrogenated graphene from a theoretical perspective. The current experimental findings suggest that hydrogenation can either increase or decrease spin lifetimes, which…

We perform systematic first-principles calculations of the proximity exchange coupling, induced by cobalt (Co) and nickel (Ni) in graphene, via a few (up to three) layers of hexagonal boron nitride (hBN). We find that the induced spin…

Mesoscale and Nanoscale Physics · Physics 2016-10-26 Klaus Zollner , Martin Gmitra , Tobias Frank , Jaroslav Fabian

In this letter we study the electronic structures and optical properties of partially and fully fluorinated graphene by a combination of abinitio G0W0 calculations and large-scale multi-orbital tight-binding simulations. We find that for…

Mesoscale and Nanoscale Physics · Physics 2015-02-25 Shengjun Yuan , Malte Rosner , Alexander Schulz , Tim O. Wehling , Mikhail I. Katsnelson

Using First-principle calculations, substrate effect of O-terminated (rt3 x rt3) MgO (111) on graphene was investigated for spintronics application. Surprisingly, the graphene can be turned into a spin-polarized semiconductor, which implies…

Materials Science · Physics 2013-11-27 Sung Beom Cho , Yong-Chae Chung

By adopting a $T$-matrix-based method within the $G_0G$ approximation for the pair susceptibility, we study the effects of the pairing fluctuation on the three-dimensional spin-orbit coupled Fermi gases at finite temperature. The critical…

Quantum Gases · Physics 2013-06-11 Lianyi He , Xu-Guang Huang , Hui Hu , Xia-Ji Liu

We conduct a thorough study of the persistent currents in a spin-orbit coupled ${\alpha}-T_3$ pseudospin-1 fermionic quantum ring (QR) that smoothly interpolates between graphene (${\alpha} = 0$, pseudospin-1/2) and a dice lattice…

Mesoscale and Nanoscale Physics · Physics 2023-08-15 Mijanur Islam , Saurabh Basu

We investigate the interplay of electronic correlations and spin-orbit coupling (SOC) for a one-band and a two-band honeycomb lattice model. The main difference between the two models concerning SOC is that in the one-band case the SOC is a…

Strongly Correlated Electrons · Physics 2021-11-09 Markus Richter , Johannes Graspeuntner , Thomas Schäfer , Nils Wentzell , Markus Aichhorn

Spin-orbit coupling links a particle's velocity to its quantum mechanical spin, and is essential in numerous condensed matter phenomena, including topological insulators and Majorana fermions. In solid-state materials, spin-orbit coupling…

Quantum Gases · Physics 2013-12-12 Victor Galitski , Ian B. Spielman

CaBi$_2$ is a recently discovered type-I superconductor with $T_c=2$~K and a layered crystal structure. In this work electronic structure, lattice dynamics and electron-phonon interaction are studied, with a special attention paid to the…

Superconductivity · Physics 2019-04-02 Sylwia Gołąb , Bartłomiej Wiendlocha

We study theoretically the quantum transport properties of the Dirac fermions with spin-orbit interactions (SOIs) in graphene by using the method of Schwinger proper time together with decomposition over Landau level poles and Kubo formula.…

Mesoscale and Nanoscale Physics · Physics 2008-08-09 Kai-He Ding , Guanghui Zhou , Zhen-Gang Zhu

Using the diagrammatic approach, here we study how spin-orbit coupling (SOC) affects the fermion-dimer and dimer-dimer scattering lengths in the Born approximation, and benchmark their accuracy with the higher-order approximations. We…

Quantum Gases · Physics 2021-03-01 M. Iskin

The possibility of superconducting pairing of electrons in doped graphene due to in-plane and out-of-plane phonons is studied. Quadratic coupling of electrons with out-of-plane phonons is considered in details, taking into account both…

Mesoscale and Nanoscale Physics · Physics 2010-05-27 Yu. E. Lozovik , A. A. Sokolik

The naturally weak spin-orbit coupling in Graphene can be largely enhanced by adatom deposition (e.g. Weeks et al. Phys. Rev. X 1, 021001 (2011)). However, the dynamics of the adatoms also induces a coupling between phonons and the electron…

Mesoscale and Nanoscale Physics · Physics 2015-07-29 Jhih-Shih You , Daw-Wei Wang , Miguel A. Cazalilla