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Related papers: Electrons and holes in phosphorene

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Density functional perturbation theory is used to analyze electron-phonon interaction in bilayer graphene. The results show that phonon scattering in bilayer graphene bears more resemblance with bulk graphite than monolayer graphene. In…

Mesoscale and Nanoscale Physics · Physics 2010-11-29 K. M. Borysenko , J. T. Mullen , X. Li , Y. G. Semenov , J. M. Zavada , M. Buongiorno Nardelli , K. W. Kim

In this work we introduce a low-energy Hamiltonian for single layer and bilayer black phosphorus that describes the electronic states at the vicinity of the gamma point. The model is based on a recently proposed tight-binding description…

Mesoscale and Nanoscale Physics · Physics 2015-09-02 J. M. Pereira , M. I. Katsnelson

We report that mono-elemental black phosphorus presents a new electronic self-passivation scheme of single vacancy (SV). By means of low-temperature scanning tunneling microscopy and bond-resolved non-contact atomic force microscopy, we…

The low-lying states of graphene contain exciting topological properties that depend on the interplay of different symmetry breaking terms. The corresponding energy gaps remained unexplored until recently, owing to the low energy scale of…

Mesoscale and Nanoscale Physics · Physics 2021-01-04 U. R. Singh , M. Prada , V. Strenzke , B. Bosnjak , T. Schmirander , L. Tiemann , R. H. Blick

We investigate the anisotropic hybrid plasmon-SO phonon dispersion relations in monolayer and double-layer phosphorene systems located on the polar substrates, such as SiO2, h-BN and Al2O3. We calculate these hybrid modes with using the…

Mesoscale and Nanoscale Physics · Physics 2017-09-06 S. Saberi-Pouya , T. Vazifehshenas , T. Salavati-fard , M. Farmanbar

We study the mechanical and electronic properties of heterobilayers composed of black phosphorus (BP) on hexagonal boron nitride (hBN) and of blue phosphorus (\Pblue) on hBN by means of ab-intio density functional theory. Emphasis is put on…

Materials Science · Physics 2020-07-15 Baptiste Bienvenu , Hakim Amara , François Ducastelle , Lorenzo Sponza

We calculate the rates of phonon-assisted hyperfine spin flips during electron and hole tunneling between quantum dots in a self-assembled quantum dot molecule. We show that the hyperfine process dominates over the spin-orbit-induced spin…

Mesoscale and Nanoscale Physics · Physics 2021-07-28 Paweł Karwat , Krzysztof Gawarecki , Paweł Machnikowski

Exfoliated black phosphorus has recently emerged as a new two-dimensional crystal that, due to its peculiar and anisotropic crystalline and electronic band structures, may have potentially important applications in electronics,…

We investigate, based on the tight-binding model and in the linear deformation regime, the strain dependence of the electronic band structure of phosphorene, exposed to a uniaxial strain in one of its principle directions, the normal, the…

Mesoscale and Nanoscale Physics · Physics 2015-12-21 Yawar Mohammadi , Borhan Arghavani Nia

While much is known about isoelectronic materials related to carbon nanostructures, such as boron nitride layers and nanotubes, rather less is known about equivalent silicon based materials. Following the recent discovery of phosphorene, we…

Materials Science · Physics 2017-01-04 Tomás Alonso-Lanza , Andrés Ayuela , Faustino Aguilera-Granja

We consider electron(hole)-phonon coupling in crystalline organic semiconductors, using naphthalene for our case study. Employing a first-principles approach, we compute the changes in the self-consistent Kohn-Sham potential corresponding…

Strongly Correlated Electrons · Physics 2012-09-20 Nenad Vukmirovic , C. Bruder , Vladimir M. Stojanovic

Effective control of interlayer interactions is a key element in modifying the properties of van der Waals heterostructures and the next step toward their practical applications. Focusing on the phosphorene-WSe$_2$ heterostructure, we…

Mesoscale and Nanoscale Physics · Physics 2024-08-29 Marko Milivojević , Marcin Kurpas , Maedeh Rassekh , Dominik Legut , Martin Gmitra

We extend our analysis of two electrons on a sphere [Phys. Rev. A {\bf 79}, 062517 (2009); Phys. Rev. Lett. {\bf 103}, 123008 (2009)] to electrons on concentric spheres with different radii. The strengths and weaknesses of several…

Other Condensed Matter · Physics 2010-08-17 Pierre-François Loos , Peter M. W. Gill

Two-dimensional black phosphorus has been configured as field-effect transistors, showing an intrinsic symmetric ambipolar transport characteristic. Here, we demonstrate the strongly modulated ambipolar characteristics of few-layer black…

Materials Science · Physics 2016-03-10 Cheng Han , Zehua Hu , Jialin Zhang , Fang Hu , Du Xiang , Jing Wu , Bo Lei , Li Wang , Wen Ping Hu , Wei Chen

We investigate the effect of charge carrier interaction with surface optical phonons on the band properties of monolayer black phosphorus induced by polar substrates. We develop an analytical method based on the Lee-Low-Pines theory to…

Mesoscale and Nanoscale Physics · Physics 2016-02-12 A. Mogulkoc , Y. Mogulkoc , A. N. Rudenko , M. I. Katsnelson

Zigzag phosphorene nanoribbons are metallic owing to the edge states, whose energies are inside the gap and far from the bulk bands. We show that -- through electrical manipulation of edge states -- electron propagation can be restricted to…

Mesoscale and Nanoscale Physics · Physics 2017-12-27 S. Soleimanikahnoj , I. Knezevic

Density functional theory calculations are performed on phosphorene quantum dots having different shapes and edge terminations to investigate their structure stability, electronic properties, and gas sensing ability. All the selected…

Mesoscale and Nanoscale Physics · Physics 2018-12-05 Hazem Abdelsalam , Vasil A. Saroka , Waleed O. Younis

In this paper we examine the effects of electron-hole asymmetry as a consequence of strong correlations on the electronic Raman scattering in the normal state of copper oxide high temperature superconductors. Using determinant quantum Monte…

Strongly Correlated Electrons · Physics 2012-05-11 B. Moritz , S. Johnston , T. P. Devereaux , B. Muschler , W. Prestel , R. Hackl , M. Lambacher , A. Erb , Seiki Komiya , Yoichi Ando

In the inner regions of an accretion disk around a black hole, relativistic protons can interact with ambient matter to produce electrons, positrons and $\gamma$-rays. The resultant steady state electron and positron particle distributions…

Astrophysics · Physics 2009-11-11 S. Bhattacharyya , N. Bhatt , R. Misra

Angular- or $k$-resolved photoelectron spectroscopy in the soft X-ray range gives access to the bulk electronic structure of materials. Here this technique is extended to the spin degree of freedom. A non-magnetic material (tungsten) was…