English
Related papers

Related papers: Model spin-orbit coupling Hamiltonians for graphen…

200 papers

Electronic spin-orbit coupling (SOC) is essential for various newly discovered phenomena in condensed-matter systems. In particular, one-dimensional topological heterostructures with SOC have been widely investigated in both theory and…

Superconductivity · Physics 2015-04-21 Kuei Sun , Nayana Shah

The theoretical understanding of the spin-orbit coupling (SOC) effects at LaAlO$_{3}$/SrTiO$_{3}$ interfaces and SrTiO$_{3}$ surfaces is still in its infancy. We perform first-principles density-functional-theory calculations and derive…

Materials Science · Physics 2013-04-08 Zhicheng Zhong , Anna Toth , Karsten Held

We investigate the effect of the twist angle on the proximity spin-orbit coupling (SOC) in graphene/NbSe$_2$ heterostructures from first principles. The low-energy Dirac bands of several different commensurate twisted supercells are fitted…

Mesoscale and Nanoscale Physics · Physics 2024-05-01 Thomas Naimer , Martin Gmitra , Jaroslav Fabian

This is the second of two papers devoted to tight-binding electronic spectra on graphs with the topology of the sphere. We investigate the problem of an electron subject to a spin-orbit interaction generated by the radial electric field of…

Mesoscale and Nanoscale Physics · Physics 2008-06-13 Y. Avishai , J. M. Luck

Using the tight-binding model and density functional theory, the topological invariant of the two-dimensional (2D) group III-V and IV-IV compounds are studied in the absence and the presence of an external perpendicular electric field and…

Materials Science · Physics 2022-01-19 A. Baradaran , M. Ghaffarian

The possibility of transporting spin information over long distances in graphene, owing to its small intrinsic spin-orbit coupling (SOC) and the absence of hyperfine interaction, has led to intense research into spintronic applications.…

Mesoscale and Nanoscale Physics · Physics 2018-05-01 Dinh Van Tuan , Frank Ortmann , David Soriano , Sergio O. Valenzuela , Stephan Roche

We derive an effective Hamiltonian which describes the dynamics of electrons in the conduction band of transition metal dichalcogenides (TMDC) in the presence of perpendicular electric and magnetic fields. We discuss in detail both the…

Mesoscale and Nanoscale Physics · Physics 2014-03-18 Andor Kormányos , Viktor Zólyomi , Neil D. Drummond , Guido Burkard

Interfacial interactions allow the electronic properties of graphene to be modified, as recently demonstrated by the appearance of satellite Dirac cones in the band structure of graphene on hexagonal boron nitride (hBN) substrates. Ongoing…

Mesoscale and Nanoscale Physics · Physics 2015-10-28 Zhe Wang , Dong-Keun Ki , Hua Chen , Helmuth Berger , Allan H. MacDonald , Alberto F. Morpurgo

We study orbital and spin-orbit proximity effects in graphene adsorbed to the Cu(111) surface by means of density functional theory (DFT). The proximity effects are caused mainly by the hybridization of graphene $\pi$ and copper d orbitals.…

Mesoscale and Nanoscale Physics · Physics 2016-04-27 Tobias Frank , Martin Gmitra , Jaroslav Fabian

Spin-orbit coupling (SOC) is a key interaction in spintronics, allowing an electrical control of spin or magnetization and, vice versa, a magnetic control of electrical current. However, recent advances have revealed much broader…

We study the correlated ground states of twisted mono-bilayer graphene with and without proximity-induced spin-orbit coupling (SOC) from a transition-metal dichalcogenide layer placed on top. We perform self-consistent Hartree-Fock…

Mesoscale and Nanoscale Physics · Physics 2026-03-12 Jeyong Park , Mingdi Luo , Louk Rademaker , Jurgen Smet , Mathias S. Scheurer , Laura Classen

We demonstrate clear weak anti-localization (WAL) effect arising from induced Rashba spin-orbit coupling (SOC) in WS$_2$-covered single-layer and bilayer graphene devices. Contrary to the uncovered region of a shared single-layer graphene…

Mesoscale and Nanoscale Physics · Physics 2016-09-13 Bowen Yang , Min-Feng Tu , Jeongwoo Kim , Yong Wu , Hui Wang , Jason Alicea , Ruqian Wu , Marc Bockrath , Jing Shi

Graphene-based van der Waals heterostructures take advantage of tailoring spin-orbit coupling (SOC) in the graphene layer by proximity effect. At long-wavelength -- saddled by the electronic states near the Dirac points -- the proximitized…

Mesoscale and Nanoscale Physics · Physics 2024-02-22 Wun-Hao Kang , Michael Barth , Aitor Garcia-Ruiz , Alina Mreńca-Kolasińska , Ming-Hao Liu , Denis Kochan

Our theoretical study unfolds the topological phase transitions (within bands of the Moir\'e super-lattice) in small angle twisted double bilayer graphene (tDBLG) under the influence of external gate voltage and intrinsic spin-orbit…

Mesoscale and Nanoscale Physics · Physics 2025-02-05 Kamalesh Bera , Priyanka Mohan , Arijit Saha

We describe the treatment of Rashba spin-orbit coupling (SOC) in interacting many-fermion systems within the auxiliary-field quantum Monte Carlo framework, and present a set of illustrative results. These include numerically exact…

Strongly Correlated Electrons · Physics 2019-06-10 Peter Rosenberg , Hao Shi , Shiwei Zhang

We use large-scale DFT calculations to investigate with unprecedented detail the so-called spin-orbit (SO) proximity effect in graphene adsorbed on the Pt(111) and Ni(111)/Au semi-infinite surfaces, previously studied via spin and angle…

Materials Science · Physics 2018-09-12 Jagoda Slawinska , Jorge I. Cerda

We present a DFT-based investigation of the twist-angle dependent proximity spin-orbit coupling (SOC) in graphene/TMDC structures. We find that for Mo-based TMDCs the proximity valley-Zeeman SOC exhibits a maximum at around 15--20{\deg},…

Mesoscale and Nanoscale Physics · Physics 2024-01-09 Klaus Zollner , Simão M. João , Branislav K. Nikolić , Jaroslav Fabian

Magnetic textures such as skyrmions in thin films grown on substrates possess significant technological potential. Inhomogeneous magnetic structures can be described as homogeneous ferromagnetic order in the presence of anisotropic…

Mesoscale and Nanoscale Physics · Physics 2025-11-03 Zachary Llewellyn , Eric Mascot , Oleg A. Tretiakov , Stephan Rachel

Van der Waals interactions with transition metal dichalcogenides was shown to induce strong spin-orbit coupling (SOC) in graphene, offering great promises to combine large experimental flexibility of graphene with unique tuning capabilities…

Mesoscale and Nanoscale Physics · Physics 2023-10-03 Qing Rao , Wun-Hao Kang , Hongxia Xue , Ziqing Ye , Xuemeng Feng , Kenji Watanabe , Takashi Taniguchi , Ning Wang , Ming-Hao Liu , Dong-Keun Ki

Spin-orbit coupling (SOC) in graphene can be greatly enhanced by proximity coupling it to transition metal dichalcogenides (TMDs) such as WSe2. We find that the strength of the acquired SOC in graphene depends on the stacking order of the…