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Related papers: Ferromagnetic CrBr$_3$-Induced Graphene Spintronic…

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We perform an extensive exact diagonalization study of interaction driven insulators in spin- and valley-polarized moir\'{e} flat bands of twisted bilayer graphene aligned with its hexagonal boron nitride substrate. In addition to…

Strongly Correlated Electrons · Physics 2021-03-05 Patrick Wilhelm , Thomas C. Lang , Andreas M. Läuchli

We present results of comprehensive first-principles and kp-method studies of electronic, magnetic, and topological properties of graphene on a monolayer of CrI$_3$. First, we identify a twist angle between the graphene and CrI$_3$, that…

Mesoscale and Nanoscale Physics · Physics 2025-09-16 M. Jafari , M. Gmitra , A. Dyrdał

This study theoretically investigated the magnetic properties and electronic structure of a graphene-based nano-spin-valve-like structure. Magnetic nickel layers on both sides of the graphene were considered. A spin-polarized…

Mesoscale and Nanoscale Physics · Physics 2019-05-30 Yusuf Wicaksono , Shingo Teranishi , Kazutaka Nishiguchi , Koichi Kusakabe

Magnetic proximity effect of a topological insulator in contact with a ferromagnet is reported in thin film bilayers of 15 nm thick $BiSbTe_3$ on either 15 or 40 nm thick $SrRuO_3$ on (100) $SrTiO_3$ wafers. Magneto transport results of the…

Strongly Correlated Electrons · Physics 2018-02-14 Gad Koren

Van der Waals heterostructures provide a versatile platform for tailoring electronic properties through the integration of two-dimensional materials. Among these combinations, the interaction between bilayer graphene and transition metal…

Mesoscale and Nanoscale Physics · Physics 2024-10-30 M. Masseroni , M. Gull , A. Panigrahi , N. Jacobsen , F. Fischer , C. Tong , J. D. Gerber , M. Niese , T. Taniguchi , K. Watanabe , L. Levitov , T. Ihn , K. Ensslin , H. Duprez

In the pursuit of developing routes to enhance magnetic Kitaev interactions in {\alpha}-RuCl3, as well as probing doping effects, we investigate the electronic properties of {\alpha}-RuCl3 in proximity to graphene. We study…

Strongly Correlated Electrons · Physics 2019-12-11 Sananda Biswas , Ying Li , Stephen M. Winter , Johannes Knolle , Roser Valenti

Electron-electron interactions play an important role in graphene and related systems and can induce exotic quantum states, especially in a stacked bilayer with a small twist angle. For bilayer graphene where the two layers are twisted by a…

Vertical graphene-based device concepts that rely on quantum mechanical tunneling are intensely being discussed in literature for applications in electronics and optoelectronics. In this work, the carrier transport mechanisms in…

Mesoscale and Nanoscale Physics · Physics 2015-07-24 Sam Vaziri , Melkamu Belete , Eugenio Dentoni Litta , Anderson Smith , Grzegorz Lupina , Max C. Lemme , Mikael Östling

We show how hydrogenation of graphene nanoribbons at small concentrations can open new venues towards carbon-based spintronics applications regardless of any especific edge termination or passivation of the nanoribbons. Density functional…

Mesoscale and Nanoscale Physics · Physics 2015-05-14 D. Soriano , F. Muñoz-Rojas , J. Fernández-Rossier , J. J. Palacios

Developing graphene-based nanoelectronics hinges on opening a band gap in the electronic structure of graphene, which is commonly achieved by breaking the inversion symmetry of the graphene lattice via an electric field (gate bias) or…

Materials Science · Physics 2014-06-11 Liangzhi Kou , Feiming Hu , Binghai Yan , Thomas Frauenheim , Changfeng Chen

The observation of micron size spin relaxation makes graphene a promising material for applications in spintronics requiring long distance spin communication. However, spin dependent scatterings at the contact/graphene interfaces affect the…

Mesoscale and Nanoscale Physics · Physics 2017-11-02 Ahmet Avsar , Dmitrii Unuchek , Jiawei Liu , Oriol Lopez Sanchez , Kenji Watanabe , Takashi Taniguchi , Barbaros Ozyilmaz , Andras Kis

Based on a tight-binding model and a recursive Green's function technique, spin-depentent ballistic transport through tinny graphene sheets (flakes) is studied. The main interest is focussed on: electrical conductivity, giant…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 S. Krompiewski

We formulate a continuum model to study the low-energy electronic structure of heterostructures formed by graphene on a strong three-dimensional topological insulator (TI) for the case of both commensurate and incommensurate stacking. The…

Mesoscale and Nanoscale Physics · Physics 2014-03-18 Junhua Zhang , C. Triola , E. Rossi

Twisted bilayer graphene (TBG) exhibits a wide range of intriguing physical properties, such as superconductivity, ferromagnetism, and superlubricity. Depending on the twist angle, periodic moir\'e superlattices form in twisted bilayer…

Mesoscale and Nanoscale Physics · Physics 2022-06-07 Vahid Morovati , Zhiming Xue , Kenneth M. Liechti , Rui Huang

Graphene has been predicted to develop a magnetic moment by proximity effect when placed on a ferromagnetic film, a promise that could open exciting possibilities in the fields of spintronics and magnetic data recording. In this work, we…

Mesoscale and Nanoscale Physics · Physics 2016-08-01 Luca Pietrobon , Lorenzo Fallarino , Andreas Berger , Andrey Chuvilin , Fèlix Casanova , Luis E. Hueso

We study electronic, charge, and magnetic properties of twisted bilayer graphene with fillings $2\leq n\leq 6$ per moire unit cell within the recently introduced formulation of extended dynamical mean-field theory (E-DMFT) for…

Strongly Correlated Electrons · Physics 2022-09-30 A. A. Katanin

The isolation of graphene has triggered an avalanche of studies into the spin-dependent physical properties of this material, as well as graphene-based spintronic devices. Here we review the experimental and theoretical state-of-art…

Mesoscale and Nanoscale Physics · Physics 2015-03-11 Wei Han , Roland K. Kawakami , Martin Gmitra , Jaroslav Fabian

We report on the transport properties of hybrid devices obtained by depositing graphene on a LaAlO3/SrTiO3 oxide junction hosting a 4 nm-deep two-dimensional electron system. At low graphene-oxide inter-layer bias the two electron systems…

Mesoscale and Nanoscale Physics · Physics 2016-07-14 I. Aliaj , I. Torre , V. Miseikis , E. di Gennaro , A. Sambri , A. Gamucci , C. Coletti , F. Beltram , F. M. Granozio , M. Polini , V. Pellegrini , S. Roddaro

Graphene has emerged as the foremost material for future two-dimensional spintronics due to its tuneable electronic properties. In graphene, spin information can be transported over long distances and, in principle, be manipulated by using…

The 2D ferromagnets, such as CrX3 (X=Cl, Br and I), have been attracting extensive attentions since they provide novel platforms to fundamental physics and device applications. Integrating CrX3 with other electrodes and substrates is an…

Materials Science · Physics 2020-06-24 Hongxing Li , Yuan-Kai Xu , Zi-Peng Cheng , Bin-Guang He , Wei-Bing Zhang
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