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Related papers: Interlayer Breathing and Shear Modes in Few-Layer …

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The single-layer black phosphorus is characteristic for its puckered configuration that possesses the hinge-like mechanism, which leads to the highly anisotropic in-plane Poisson's ratios and the negative out-of-plane Poisson's ratio. We…

Materials Science · Physics 2016-05-10 Jin-Wu Jiang

Few-layer black phosphorus was recently rediscovered as a narrow-bandgap atomically thin semiconductor and has already attracted unprecedented attention due to its interesting properties. One feature of this material that sets it apart from…

Mesoscale and Nanoscale Physics · Physics 2017-04-04 Artem Mishchenko , Yang Cao , Geliang Yu , Colin R. Woods , Roman V. Gorbachev , Kostya S. Novoselov , Andre K. Geim , Leonid S. Levitov

Black phosphorus has been revisited recently as a new two-dimensional material showing potential applications in electronics and optoelectronics. Here we report the anisotropic in-plane thermal conductivity of suspended few-layer black…

Mesoscale and Nanoscale Physics · Physics 2015-10-20 Zhe Luo , Jesse Maassen , Yexin Deng , Yuchen Du , Richard P. Garrelts , Mark S. Lundstrom , Peide D. Ye , Xianfan Xu

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,…

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

We experimentally determine the lattice dynamics of black phosphorus layered crystals through a combination of x-ray diffuse scattering and inelastic x-ray scattering, and we rationalize our experimental findings using $\textit{ab initio}$…

Isolation and characterization of mechanically exfoliated black phosphorus flakes with a thickness down to two single-layers is presented. A modification of the mechanical exfoliation method, which provides higher yield of atomically thin…

Utilizing a combination of low-temperature scanning tunneling microscopy/spectroscopy (STM/STS) and electronic structure calculations, we characterize the structural and electronic properties of single atomic vacancies within several…

The observation of temporal dissipative Kerr solitons in optical microresonators provides, on the applied side, compact sources of coherent optical frequency combs that have already been applied in coherent communications, dual comb…

We combine femtosecond electron diffuse scattering experiments and first-principles calculations of the coupled electron-phonon dynamics to provide a detailed momentum-resolved picture of the ultrafast lattice thermalization in a thin film…

Relative out of plane displacements of the constituent layers of two dimensional materials gives rise to unique low frequency breathing modes. By computing the height-height correlation functions in momentum space, we show that, the layer…

Materials Science · Physics 2018-05-02 Indrajit Maity , Prabal K Maiti , Manish Jain

Strain is prominent in fabricated samples of two-dimensional semiconductors and it also serves as an exploitable tool for engineering their properties. However, quantifying strain and characterizing its spatially inhomogeneous distribution…

Materials Science · Physics 2014-09-01 Ruixiang Fei , Li Yang

The low formation energy of atomic vacancies in black phosphorus allows it to serve as an ideal prototypical system for exploring the dynamics of interlayer interstitial-vacancy (I-V) pairs (i.e. Frenkel defects) which account for Wigner…

Materials Science · Physics 2022-02-02 Devesh R. Kripalani , Yongqing Cai , Ming Xue , Kun Zhou

The dressed states arising from the interaction between electrons and holes, and off-resonant electromagnetic radiation have been investigated for recently fabricated gapped and anisotropic black phosphorus. Our calculations were carried…

Mesoscale and Nanoscale Physics · Physics 2017-10-11 Andrii Iurov , Liubov Zhemchuzhna , Godfrey Gumbs , Danhong Huang

We use continuum elasticity theory to revise scaling laws for radial breathing-like and shear-like vibration modes in quasi-2D nanostructures including finite-width nanoribbons and finite-size thin circular discs. Such modes can be observed…

Mesoscale and Nanoscale Physics · Physics 2019-10-21 Dan Liu , Colin Daniels , Vincent Meunier , Arthur G. Every , David Tomanek

We apply lattice Boltzmann methods to study the segregation of binary fluid mixtures under oscillatory shear flow in two dimensions. The algorithm allows to simulate systems whose dynamics is described by the Navier-Stokes and the…

Soft Condensed Matter · Physics 2009-11-07 Aiguo Xu , G. Gonnella , A. Lamura

Nonequilibrium molecular dynamics simulations are used to study the shear thinning behavior of immiscible symmetric polymer blends. The phase separated polymers are subjected to a simple shear flow imposed by moving a wall parallel to the…

Soft Condensed Matter · Physics 2009-11-07 Sandra Barsky , Mark O. Robbins

Recent experimental measurements of light absorption in few-layer black phosphorus (BP) reveal a series of high and sharp peaks, interspersed by pairs of lower and broader features. Here, we propose a theoretical model for these excitonic…

Mesoscale and Nanoscale Physics · Physics 2021-05-12 A. Chaves , G. O. Sousa , K. Khaliji , D. R. da Costa , G. A. Farias , Tony Low

The intrinsic carrier transport dynamics in phosphorene is theoretically examined. Utilizing a density functional theory treatment, the low-field mobility and the saturation velocity are characterized for both electrons and holes in the…

Mesoscale and Nanoscale Physics · Physics 2016-08-24 Zhenghe Jin , Jeffrey T. Mullen , Ki Wook Kim

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