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We show that oxidation of phosphorene can lead to the formation of a new family of planar (2D) and tubular (1D) oxides and sub-oxides, most of them insulating. This confers to black phosphorus a native oxide that can be used as barrier…

Mesoscale and Nanoscale Physics · Physics 2015-02-09 A. Ziletti , A. Carvalho , P. E. Trevisanutto , D. K. Campbell , D. F. Coker , A. H. Castro Neto

Low-dimensional materials, due to their versatile properties are very interesting for numerous electronics and optoelectronics applications. Recently rediscovered black phosphorus, with a graphite-like structure can be exfoliated up to the…

Black phosphorus presents a very anisotropic crystal structure, making it a potential candidate for hyperbolic plasmonics, characterized by a permittivity tensor where one of the principal components is metallic and the other dielectric.…

In this study, we develop a systematic weak localization/antilocalization theory fully considering the anisotropy and Berry phase of the system, and apply it to various phases of few-layer black phosphorus (BP), which has a highly…

Mesoscale and Nanoscale Physics · Physics 2020-06-02 Sunghoon Kim , Hongki Min

Black phosphorus consists of stacked layers of phosphorene, a two-dimensional semiconductor with promising device characteristics. We report the realization of a widely tunable bandgap in few-layer black phosphorus doped with potassium…

One prominent structural feature of ionic liquids near surfaces is formation of alternating layers of anions and cations. However, how this layering responds to applied potential is poorly understood. We focus on the structure of…

The single-layer black phosphorus is characteristic for its puckered structure, which has leaded to highly anisotropy in its optical, electronic, and mechanical properties. We report, using the non-equilibrium Green's function approach and…

Materials Science · Physics 2015-02-13 Jin-Wu Jiang

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

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

Stacking two-dimensional (2D) materials into multi-layers or heterostructures, known as van der Waals (vdW) epitaxy, is an essential degree of freedom for tuning their properties on demand. Few-layer black phosphorus (FLBP), a material with…

Materials Science · Physics 2016-02-17 Zhi-Xin Hu , Xianghua Kong , Jingsi Qiao , Bruce Normand , Wei Ji

Phosphorus atomic chains, the utmost-narrow nanostructures of black phosphorus (BP), are highly relevant to the in-depth development of BP into one-dimensional (1D) regime. In this contribution, we report a top-down route to prepare atomic…

Materials Science · Physics 2017-04-21 Zhangru Xiao , Jingsi Qiao , Wanglin Lu , Guojun Ye , Xianhui Chen , Ze Zhang , Wei Ji , Jixue Li , Chuanhong Jin

Thin layers of black phosphorus have recently raised interest for their two-dimensional (2D) semiconducting properties, such as tunable direct bandgap and high carrier mobilities. This lamellar crystal of P atoms stacked together by weak…

Mesoscale and Nanoscale Physics · Physics 2014-08-22 A. Favron , E. Gaufrès , F. Fossard , P. L. Lévesque , A-L. Phaneuf-L'Heureux , N. Y-W. Tang , A. Loiseau , R. Leonelli , S. Francoeur , R. Martel

Phosphorene, a monolayer of black phosphorus, is promising for nanoelectronic applications not only because it is a natural p-type semiconductor but also it possesses a layer-number dependent direct bandgap (in the range of 0.3 eV~1.5 eV).…

Mesoscale and Nanoscale Physics · Physics 2014-03-26 Jun Dai , Xiao Cheng Zeng

Two-dimensional (2D) black phosphorus (i.e., phosphorene) has become a rising star in electronics. Recently, 2D phosphorus oxides with higher stability have been synthesized. In this work, we systematically explore the structures and…

Materials Science · Physics 2016-05-11 Wei Luo , Hongjun Xiang

Nominally-pure black phosphorus (BP) is commonly found to be a p-type semiconductor, suggesting the ubiquitious presence of impurity species or intrinsic, charged defects. Moreover, scanning tunnelling microscopy (STM) images of black…

With the proposal of dual-wavelength pumping (DWP) scheme, DWP Er:ZBLAN fiber lasers at 3.5 um have become a fascinating area of research. However, limited by the absence of suitable saturable absorber, passively Q-switched and mode-locked…

The surface structure of phosphorene crystals materials is determined using surface sensitive dynamical micro-spot low energy electron diffraction ({\mu}LEED) analysis using a high spatial resolution low energy electron microscopy (LEEM)…

Optical and electronic properties of black phosphorus strongly depend on the number of layers and type of stacking. Using first-principles calculations within the framework of density functional theory, we investigate the electronic…

Mesoscale and Nanoscale Physics · Physics 2017-09-07 Cem Sevik , John R. Wallbank , Oguz Gulseren , Francois M. Peeters , Deniz Cakır

Based on ab initio evolutionary crystal structure search computation, we report a new phase of phosphorus called green phosphorus ({\lambda}-P), which exhibits the direct band gaps ranging from 0.7 to 2.4 eV and the strong anisotropy in…

Materials Science · Physics 2017-09-15 W. H. Han , Sunghyun Kim , In-Ho Lee , K. J. Chang

2D van der Waals materials have rich and unique functional properties, but many are susceptible to corrosion under ambient conditions. Here we show that linear alkylamines are highly effective in protecting the optoelectronic properties of…