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Black phosphorus (bP) is the second known elemental allotrope with a layered crystal structure that can be mechanically exfoliated down to atomic layer thickness. We have fabricated bP naked quantum wells in a back-gated field effect…

Mesoscale and Nanoscale Physics · Physics 2015-09-04 V. Tayari , N. Hemsworth , I. Fakih , A. Favron , E. Gaufrès , G. Gervais , R. Martel , T. Szkopek

The effect of the number of stacking layers and the type of stacking on the electronic and optical properties of bilayer and trilayer black phosphorus are investigated by using first principles calcula- tions within the framework of density…

Mesoscale and Nanoscale Physics · Physics 2015-10-28 Deniz Cakir , Cem Sevik , Francois M. Peeters

Black phosphorus thin films might offer attractive alternatives to narrow gap compound semiconductors for optoelectronics across mid- to near-infrared frequencies. In this work, we calculate the optical conductivity tensor of multilayer…

Materials Science · Physics 2014-09-18 Tony Low , A. S. Rodin , A. Carvalho , Yongjin Jiang , Han Wang , Fengnian Xia , A. H. Castro Neto

Boron phosphide has recently been identified as a potential high hole mobility transparent conducting material. This promise arises from its low hole effective masses. However, BP has a relatively small 2 eV indirect band gap which will…

We report on the mechanical properties of few-layer black phosphorus (BP) nanosheets, in high vacuum and as a function of time of exposure to atmospheric conditions [1]. BP flakes with thicknesses ranging from 4 to 30 nm suspended over…

Thermal conductivity of single layer black phosphorus (BP) is investigated by combining density functional calculations and Peierls-Boltzmann transport equation. Differing from isotropic and divergent thermal conductivities in…

Materials Science · Physics 2015-02-06 Liyan Zhu , Gang Zhang , Baowen Li

Two-dimensional materials with strong bandstructure anisotropy such as black phosphorus BP have been identified as attractive candidates for logic application due to their potential high carrier velocity and large density-of-states.…

Computational Physics · Physics 2021-10-28 Cedric Klinkert , Sara Fiore , Jonathan Backmann , Youseung Lee , Mathieu Luisier

We study a thermal gradient induced current $\left(I_{th}\right)$ flow in potassium-doped two-dimensional anisotropic black phosphorus (BP) with semi-Dirac dispersion. The prototype device is a BP channel clamped between two contacts…

Materials Science · Physics 2018-04-04 Parijat Sengupta , Saptarshi Das , Junxia Shi

A multifold Hopf semimetal is a topological point node semimetal possessing an anisotropy in the internal electronic structure, e.g., the dipole structure of the Berry curvature. In this paper, the unique features of threefold Hopf…

Mesoscale and Nanoscale Physics · Physics 2023-01-18 Tetsuro Habe

With a semiconducting band gap and high charge carrier mobility, two-dimensional (2D) black phosphorus (BP), often referred to as phosphorene, holds significant promise for next generation electronics and optoelectronics. However, as a 2D…

Materials Science · Physics 2015-02-10 Xiaolong Liu , Joshua D. Wood , Kan-Sheng Chen , EunKyung Cho , Mark C. Hersam

Atomically thin layered black phosphorous (BP) has recently appeared as an alternative to the transitional metal di chalcogenides for future channel material in a MOS transistor due to its lower carrier effective mass. Investigation of the…

Mesoscale and Nanoscale Physics · Physics 2015-06-23 Anuja Chanana , Santanu Mahapatra

Unencapsulated, exfoliated black phosphorus (BP) flakes are found to chemically degrade upon exposure to ambient conditions. Atomic force microscopy, electrostatic force microscopy, transmission electron microscopy, X-ray photoelectron…

Based on extensive first principle calculations, we explore the thickness dependent effective di- electric constant and slab polarizability of few layer black phosphorene. We find that the dielectric constant in ultra-thin phosphorene is…

Mesoscale and Nanoscale Physics · Physics 2016-06-08 Piyush Kumar , B. S. Bhadoria , Sanjay Kumar , Somnath Bhowmick , Yogesh Singh Chauhan , Amit Agarwal

We study the electronic and optical properties of single- and bilayer black phosphorus with shortand long-range defects by using the tight-binding propagation method. Both types of defect states are localized and induce a strong scattering…

Mesoscale and Nanoscale Physics · Physics 2015-05-12 Shengjun Yuan , A. N. Rudenko , M. I. Katsnelson

We report about the energy and momentum resolved optical response of black phosphorus (BP) in its bulk form. Along the armchair direction of the puckered layers we find a highly dispersive mode that is trongly suppressed in the…

Mesoscale and Nanoscale Physics · Physics 2015-03-10 R. Schuster , J. Trinckauf , M. Knupfer , B. Büchner

Using first principles calculations we showed that the electronic and optical properties of single layer black phosphorus (BP) depend strongly on the applied strain. Due to the strong anisotropic atomic structure of BP, its electronic…

Mesoscale and Nanoscale Physics · Physics 2015-06-23 Deniz Çakır , Hasan Sahin , François M. Peeters

Newly fabricated monolayer phosphorene and its few-layer structures are expected to be promising for electronic and optical applications because of their finite direct band gaps and sizable but anisotropic electronic mobility. By…

Mesoscale and Nanoscale Physics · Physics 2014-06-02 Ruixiang Fei , Li Yang

Discovery of atomically thin black phosphorus (called phosphorene) holds promise to be used as an alternative two-dimensional material to graphene and transition metal dichalcogenides especially as an anode material for lithium-ion…

The possibility of hybridizing collective electronic motion with mid-infrared (mid-IR) light to form surface polaritons has made van der Waals layered materials a versatile platform for extreme light confinement and tailored nanophotonics.…

We investigate the effect of ellipticity ratio of the polarized radiation field on optoelectronic properties of a two-dimensional (2D) semi-Dirac (SD) system. The optical conductivity is calculated within the energy balance equation…

Mesoscale and Nanoscale Physics · Physics 2022-03-23 H. Y. Zhang , Y. M. Xiao , Q. N. Li , L. Ding , B. Van Duppen , W. Xu , F. M. Peeters
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