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Related papers: Novel Magnetic Quantization of sp$^{3}$ Bonding in…

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The generalized tight-binding model, being based on the spin-dependent sublattices, is developed to explore the magnetic quantization of monolayer bismuthene. The sp$^{3}$ orbital hybridizations, site energies, nearest and next-nearest…

Materials Science · Physics 2017-09-12 Szu-Chao Chen , Jhao-Ying Wu , Ming-Fa Lin

The generalized tight-binding model, based on the subenvelope functions of distinct sublattices, is developed to investigate the magnetic quantization in sliding bilayer graphenes. The relative shift of two graphene layers induces a…

Materials Science · Physics 2016-11-18 Yao-Kung Huang , Szu-Chao Chen , Yen-Hung Ho , Chiun-Yan Lin , Ming-Fa Lin

A monolayer graphene exists in an environment where a uniform magnetic field interacts a spatially modulated magnetic field. The spatially modulated magnetic field could affect Landau levels due to a uniform magnetic field. The modulation…

Mesoscale and Nanoscale Physics · Physics 2007-08-02 J. H. Ho , Y. H. Lai , Y. H. Chiu , M. F. Lin

The generalized tight-binding model is developed to investigate the rich and unique electronic properties of AB-bt (bottom-top) bilayer silicene under uniform perpendicular electric and magnetic fields. The first pair of conduction and…

Materials Science · Physics 2018-03-21 Thi-Nga Do , Po-Hsin Shih , Godfrey Gumbs , Danhong Huang , Chih-Wei Chiu , Ming-Fa Lin

We explore the rich and unique magnetic quantization of Si-doped graphene defect systems with various concentrations and configurations using the generalized tight-binding model. This model takes into account simultaneously the non-uniform…

Computational Physics · Physics 2018-09-03 P. H. Shih , T. N. Do , B. L. Huang , G. Gumbs , D. Huang , M. F. Lin

Magneto-electronic properties of buckled monolayer GaAs is studied by the developed generalized tight-binding model, considering the buckled structure, multi-orbital chemical bondings, spin-orbit coupling, electric field, and magnetic field…

Computational Physics · Physics 2019-02-22 Hsien-Ching Chung , Chih-Wei Chiu , Chun-Nan Chen , Ming-Fa Lin

We review recent work on superlattices in monolayer and bilayer graphene. We highlight the role of the quasiparticle chirality in generating new Dirac fermion modes with tunable anisotropic velocities in one dimensional (1D) superlattices…

Mesoscale and Nanoscale Physics · Physics 2015-06-05 Matthew Killi , Si Wu , Arun Paramekanti

This review work addresses the recent advances in solving more comprehensive Hamiltonians. The generalized tight-binding model is developed to investigate the feature-rich quantization phenomena in emergent 2D materials. The mutli-orbital…

Materials Science · Physics 2016-07-12 S. C. Chen , J. Y. Wu , C. Y. Lin , M. F. Lin

The generalized tight-binding model is developed to investigate the magneto-electronic properties in twisted bilayer graphene system. All the interlayer and intralayer atomic interactions are included in the Moire superlattice. The twisted…

Mesoscale and Nanoscale Physics · Physics 2019-07-23 Chiun-Yan Lin , Ming-Fa Lin

We developed the generalized tight-binding model to study the magneto-electronic properties of AAB-stacked trilayer graphene. Three groups of Landau levels (LLs) are characterized by the dominating subenvelope function on distinct…

Materials Science · Physics 2015-04-02 Thi-Nga Do , Chiun-Yan Lin , Yi-Ping Lin , Po-Hsin Shih , Ming-Fa Lin

The Peierl's tight-binding model, with the band Hamiltonian matrix, is used to calculate the magnetoelectronic structure of a monolayergraphite. There are many flat Landau levels and some oscillatory Landau levels. The low Landau-level…

Mesoscale and Nanoscale Physics · Physics 2007-06-04 J. H. Ho , Y. H. Lai , Y. H. Chiu , M. F. Lin

The response of thin films of Bi$_2$Se$_3$ to a strong perpendicular magnetic field is investigated by performing magnetic bandstructure calculations for a realistic multi-band tight-binding model. Several crucial features of Landau…

Mesoscale and Nanoscale Physics · Physics 2015-03-02 A. Pertsova , C. M. Canali , A. H. MacDonald

Pairing of $\pi$ electronic state structures with functional or metallic atoms makes them possible to engineer physical and chemical properties. Herein, we predict the reorientation of magnetization of Co on hexagonal BN (h-BN) and graphene…

Materials Science · Physics 2025-04-28 D. Odkhuu , T. Tsevelmaa , P. Taivansaikhan , N. Park , S. C. Hong , S. H. Rhim

The electronic properties of a graphene monolayer in a magnetic and a strain-induced pseudo-magnetic field are studied in the presence of spin-orbit interactions (SOI) that are artificially enhanced, e.g., by suitable adatom deposition. For…

Mesoscale and Nanoscale Physics · Physics 2011-10-14 A. De Martino , A. Hütten , R. Egger

The electronic and optical properties of nonuniform bilayer graphene nanoribbons are worth investigating as they exhibit rich magnetic quantization. Based on our numerical results, their electronic and optical properties strongly depend on…

Computational Physics · Physics 2016-10-18 Hsien-Ching Chung , Yu-Tsung Lin , Shih-Yang Lin , Ching-Hong Ho , Cheng-Peng Chang , Ming-Fa Lin

Superlattices (SLs) in monolayer and bilayer graphene, formed by spatially periodic potential variations, lead to a modified bandstructure with extra finite-energy and zero-energy Dirac fermions with tunable anisotropic velocities. We…

Mesoscale and Nanoscale Physics · Physics 2012-05-14 Si Wu , Matthew Killi , Arun Paramekanti

Using density-functional calculations, we study the effect of sp$^3$-type defects created by different covalent functionalizations on the electronic and magnetic properties of graphene. We find that the induced magnetic properties are {\it…

Mesoscale and Nanoscale Physics · Physics 2015-06-03 Elton J. G. Santos , Andrés Ayuela , Daniel Sánchez-Portal

A parameterized tight-binding (TB) model based on the first-principles GW calculations is developed for single layer tin diselenide (SnSe$_2$) and used to study its electronic and optical properties under external magnetic field. The…

Computational Physics · Physics 2020-04-08 Hongxia Zhong , Jin Yu , Kaixiang Huang , Shengjun Yuan

Monolayer tinene presents rich absorption spectra in electric fields. There are three kinds of special structures, namely shoulders, logarithmically symmetric peaks and asymmetric peaks in the square-root form, corresponding to the optical…

Mesoscale and Nanoscale Physics · Physics 2016-11-29 Rong-Bin Chen , Chin-Wei Chiu , Szu-Chao Chen

We study the magnetic-field dependence of Landau levels in graphene proximitized by large spin-orbit coupling materials, such as transition-metal dichalcogenides or topological insulators. In addition to the Rashba coupling, two types of…

Mesoscale and Nanoscale Physics · Physics 2020-10-28 Tobias Frank , Jaroslav Fabian
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