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Few-layered black phosphorus materials recently attract much attention due to its special electronic properties. As a Consequence, the nano-tube from a single-layer black phosphorus has been theoretically built. The corresponding electronic…

Mesoscale and Nanoscale Physics · Physics 2016-06-22 Kun Cai , Jing Wan , Ning Wei , Qinghua Qin

Nanowires with a GaSb core and an InAs shell (and the inverted structure) are interesting for studies of electron-hole hybridization and interaction effects due to the bulk broken band-gap alignment at the material interface. We have used…

Mesoscale and Nanoscale Physics · Physics 2017-04-03 Florinda Viñas , H. Q. Xu , Martin Leijnse

Cladding structures of photonic band-gap fibers often have air-holes of non-circular shape and, typically, close-to-hexagonal air holes with curved corners are observed. We study photonic band-gaps in such structures by aid of a…

Optics · Physics 2007-05-23 Niels Asger Mortensen , Martin Dybendal Nielsen

New allotropes of two-dimensional (2D) GaP and InP binary compounds were predicted from the structural optimization and dynamical stability analysis in the framework of the density functional calculations. These stabilized GaP and InP…

Materials Science · Physics 2018-02-14 C. Y. Zhang , M. Yu

Recently, a number of new two-dimensional (2D) materials based on puckered phosphorene and arsenene have been predicted with moderate band gaps, good absorption properties and carrier mobilities superior to transition metal dichalcogenides.…

Materials Science · Physics 2021-09-10 Magdalena Laurien , Himanshu Saini , Oleg Rubel

We performed density functional theory calculations with self-consistent van der Waals corrected exchange-correlation (XC) functionals to capture the structure of black phosphorus and twelve monochalcogenide monolayers and find the…

Mesoscale and Nanoscale Physics · Physics 2020-01-01 Shiva P. Poudel , John W. Villanova , Salvador Barraza-Lopez

Twisted double bilayer graphene has recently emerged as an interesting moir\'e material that exhibits strong correlation phenomena that are tunable by an applied electric field. Here we study the atomic and electronic properties of three…

Atomically thin black phosphorus (BP) field-effect transistors show strong-weak localization transition which is tunable through gate voltages. Hopping transports through charge impurity induced localized states are measured at low-carrier…

Mesoscale and Nanoscale Physics · Physics 2017-11-22 Gen Long , Shuigang Xu , Xiangbin Cai , Zefei Wu , Tianyi Han , Jiangxiazi Lin , Yuanwei Wang , Liheng An , Yuan Cai , Xinran Wang , Ning Wang

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

The quasiparticle band structures of four polytypes 3C, 6H, 4H, and 2H of GaP, GaAs, GaSb, InP, InAs, and InSb are computed with high accuracy including spin-orbit interaction applying a recently developed approximate calculation scheme,…

Materials Science · Physics 2015-06-05 Abderrezak Belabbes , Christian Panse , Jürgen Furthmüller , Friedhelm Bechstedt

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

Black phosphorus (BP) has recently emerged as a promising narrow band gap layered semiconductor with optoelectronic properties that bridge the gap between semi-metallic graphene and wide band gap transition metal dichalcogenides such as…

A GW calculation based on a truncated Coulomb interaction with an added small q limit was applied to 2D van der Waals heterolayered structures, and the Kane dispersion model was used to determine the accurate band gap edge. All ab initio…

Materials Science · Physics 2025-06-25 Eyasu Tadesse Muda , Tewodros Eyob Ada , Kenate Nemera Nigussa , Cecil N. M. Ouma

Energy bandgap largely determines the optical and electronic properties of a semiconductor. Variable bandgap therefore makes versatile functionality possible in a single material. In layered material black phosphorus, the bandgap can be…

The monolayer of black phosphorous, or phosphorene, has recently emerged as a new 2D semiconductor with intriguing highly anisotropic transport properties. Existing calculations of its intrinsic phonon-limited electronic transport…

Materials Science · Physics 2015-06-24 Bolin Liao , Jiawei Zhou , Bo Qiu , Mildred S. Dresselhaus , Gang Chen

We present semiempirical tight binding calculations on thienylenevinylene oligomers up to the hexadecamer stage (n=16) and ab initio calculations based on the local density approximation up to n=8. The results correctly describe the…

The mechanical properties of single-layer black phosphrous under uniaxial deformation are investigated using first-principles calculations. Both Young's modulus and the ultimate strain are found to be highly anisotropic and nonlinear as a…

Materials Science · Physics 2015-03-06 Jin-Wu Jiang , Harold S. Park

In our previous paper (Phys. Rev. B {\bf 89}, 165430 (2014)) we have found that in graphene, in distinction to the four occupied bands, which can be described by the simple tight-binding model (TBM) with four atomic orbitals per atom, the…

Mesoscale and Nanoscale Physics · Physics 2017-09-26 E. Kogan , V. M. Silkin

We zoom in on the internal structure of the low-frequency quasi-periodic oscillation (LF QPO) often observed in black hole binary systems to investigate the physical nature of the lack of coherence in this feature. We show the limitations…

High Energy Astrophysical Phenomena · Physics 2015-05-13 Pawel Lachowicz , Chris Done

We investigate the role of pseudospin structure of few-layer black phosphorus (BP) in interband tunneling properties in lateral BP junctions. We find that interband tunneling is critically dependent on junction directions because of the…

Mesoscale and Nanoscale Physics · Physics 2021-09-03 Young Woo Choi , Hyoung Joon Choi