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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

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,…

Understanding the effect of electric fields on the physical and chemical properties of two-dimensional (2D) nanostructures is instrumental in the design of novel electronic and optoelectronic devices. Several of those properties are…

Mesoscale and Nanoscale Physics · Physics 2014-08-19 Elton J. G. Santos

Recent $\textit{ab initio}$ theoretical calculations of the electrical performance of several two-dimensional materials predict a low-field carrier mobility that spans several orders of magnitude (from 26,000 to 35 cm$^{2}$ V$^{-1}$…

We demonstrate that a field effect transistor (FET) made of few layer black phosphorus (BP) encapsulated in hexagonal boron nitride (h-BN) in vacuum, exhibts the room temperature hole mobility of 5200 $cm^2/Vs$ being limited just by the…

Mesoscale and Nanoscale Physics · Physics 2016-12-06 Gen Long , Denis Maryenko , Junying Shen , Shuigang Xu , Jianqiang Hou , Zefei Wu , Wing Ki Wong , Tianyi Han , Jiangxiazi Lin , Yuan Cai , Rolf Lortz , Ning Wang

Black phosphorous is a layered material having a high capacity of 2596 mAh/g as a battery electrode, however it suffers from cracking due to high volume expansion during lithiation. These cracks causes loss of electrical contact in the…

Materials Science · Physics 2020-07-21 Burak Ozdemir

Phosphorene, a single atomic layer of black phosphorus, has recently emerged as a new twodimensional (2D) material that holds promise for electronic and photonic technology. Here we experimentally demonstrate that the electronic structure…

We report measurements of the infrared optical response of thin black phosphorus under field-effect modulation. We interpret the observed spectral changes as a combination of an ambipolar Burstein-Moss (BM) shift of the absorption edge due…

Raman scattering and photoluminescence spectroscopy are used to investigate the optical properties of single layer black phosphorus obtained by mechanical exfoliation of bulk crystals under an argon atmosphere. The Raman spectroscopy,…

Mesoscale and Nanoscale Physics · Physics 2016-03-23 A. Surrente , A. A. Mitioglu , K. Galkowski , W. Tabis , D. K. Maude , P. Plochocka

Through advanced quantum mechanical simulations combining electron and phonon transport from first-principles self-heating effects are investigated in n-type transistors with a single-layer MoS2, WS2, and black phosphorus as channel…

Mesoscale and Nanoscale Physics · Physics 2018-12-06 Christian Stieger , Aron Szabo , Teute Bunjaku , Mathieu Luisier

We show that black phosphorus has room-temperature charge mobilities on the order of 10$^4$ cm$^2$V$^{-1}$s$^{-1}$, which are about one order of magnitude larger than silicon. We also demonstrate strong anisotropic transport in black…

Materials Science · Physics 2015-03-31 Jiaqi He , Dawei He , Yongsheng Wang , Qiannan Cui , Matthew Z. Bellus , Hsin-Ying Chiu , Hui Zhao

Development of new, high quality functional materials has been at the forefront of condensed matter research. The recent advent of two-dimensional black phosphorus has greatly enriched the material base of two-dimensional electron systems.…

Here we report the properties of field-effect transistors based on few layers of chemical vapor transport grown alpha- MoTe_2 crystals mechanically exfoliated onto SiO_2. We performed field-effect and Hall mobility measurements, as well as…

Recently fabricated two dimensional (2D) phosphorene crystal structures have demonstrated great potential in applications of electronics. Mechanical strain was demonstrated to be able to significantly modify the electronic properties of…

Materials Science · Physics 2014-07-02 Qun Wei , Xihong Peng

Phosphorene, the single- or few-layer form of black phosphorus, was recently rediscovered as a twodimensional layered material holding great promise for applications in electronics and optoelectronics. Research into its fundamental…

Materials Science · Physics 2015-06-19 Liangzhi Kou , Changfeng Chen , Sean C. Smith

Black phosphorus is a monoatomic semiconducting layered material that degrades exothermically in the presence of light and ambient contaminants. Its degradation dynamics remain largely unknown. Even before degradation, local-probe studies…

The effects of surface polar phonons on electronic transport properties of monolayer graphene are studied by using a Monte Carlo simulation. Specifically, the low-field electron mobility and saturation velocity are examined for different…

Mesoscale and Nanoscale Physics · Physics 2015-05-20 X. Li , E. A. Barry , J. M. Zavada , M. Buongiorno Nardelli , K. W. Kim

Few-layer black phosphorus, a new elemental 2D material recently isolated by mechanical exfoliation, is a high-mobility layered semiconductor with a direct bandgap that is predicted to strongly depend on the number of layers, from 0.35 eV…

We report on experimental demonstration of a new type of nanoelectromechanical resonators based on black phosphorus crystals. Facilitated by a highly efficient dry transfer technique, crystalline black phosphorus flakes are harnessed to…

Mesoscale and Nanoscale Physics · Physics 2015-04-07 Zenghui Wang , Hao Jia , Xuqian Zheng , Rui Yang , Zefang Wang , G. J. Ye , X. H. Chen , Jie Shan , Philip X. -L. Feng

We investigate the possibility of band structure engineering in the recently predicted 2D layered form of blue phosphorus via an electric field (E$_z$) applied perpendicular to the layer(s). Using density functional theory, we study the…

Mesoscale and Nanoscale Physics · Physics 2015-03-26 Barun Ghosh , Suhas Nahas , Somnath Bhowmick , Amit Agarwal