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We use an atomistic approach to study the electronic properties of monolayer and bilayer black phosphorus in the vicinity of a charged defect. In particular, we combine screened defect potentials obtained from first-principles linear…

Materials Science · Physics 2021-12-21 Martik Aghajanian , Arash A. Mostofi , Johannes Lischner

The atomic and electronic structure of positively charged P vacancies on InP(110) surfaces is determined by combining scanning tunneling microscopy, photoelectron spectroscopy, and density-functional theory calculations. The vacancy…

Materials Science · Physics 2009-10-31 Ph. Ebert , K. Urban , L. Aballe , C. H. Chen , K. Horn , G. Schwarz , J. Neugebauer , M. Scheffler

We report that mono-elemental black phosphorus presents a new electronic self-passivation scheme of single vacancy (SV). By means of low-temperature scanning tunneling microscopy and bond-resolved non-contact atomic force microscopy, we…

The two-dimensional semiconductor phosphorene has attracted extensive research interests for potential applications in optoelectronics, spintronics, catalysis, sensors, and energy conversion. To harness phosphorene's potential requires a…

Materials Science · Physics 2021-07-13 Biswas Rijal , Anne Marie Z. Tan , Christoph Freysoldt , Richard G. Hennig

Atomically thin black phosphorus (BP) is a promising two-dimensional material for fabricating electronic and optoelectronic nano-devices with high mobility and tunable bandgap structures. However, the charge-carrier mobility in few-layer…

We investigate two dimensional monolayer structures of arsenic phosphorus ( AsP) by means of first principles plane wave method within density functional theory using the generalized gradient approximation. Two structures of arsenic…

Materials Science · Physics 2016-09-30 Zhaleh Benam , Handan Arkin , Ethem Akturk

Two-dimensional materials and their heterostructures have emerged as a new class of materials for not only fundamental physics but also for electronic and optoelectronic applications. Black phosphorus (BP) is a relatively new addition to…

Mesoscale and Nanoscale Physics · Physics 2015-11-23 Manabendra Kuiri , Chandan Kumar , Biswanath Chakraborty , Satyendra N Gupta , Mit H. Naik , Manish Jain , A. K. Sood , Anindya Das

Black phosphorus (P) has emerged as a layered semiconductor with a unique crystal structure featuring corrugated atomic layers and strong in-plane anisotropy in its physical properties. Here, we demonstrate that the crystal orientation and…

Mesoscale and Nanoscale Physics · Physics 2016-09-27 Zenghui Wang , Hao Jia , Xu-Qian Zheng , Rui Yang , G. J. Ye , X. H. Chen , Philip X. -L. Feng

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,…

Black phosphorus has attracted great research interest due to its numerous applications in electronic devices, optoelectronic devices, energy storages and so on. Compared with the majority of two-dimensional materials, black phosphorus…

Mesoscale and Nanoscale Physics · Physics 2019-10-02 Zhen Tian , Yu Gan , Taiming Zhang , Binbin Wang , Hengxing Ji , Yexin Feng , Jiamin Xue

Electronic structures of single crystalline black phosphorus were studied by state-of-art angleresolved photoemission spectroscopy. Through high resolution photon energy dependence measurements, the band dispersions along out-of-plane and…

Materials Science · Physics 2015-06-16 C. Q. Han , M. Y. Yao , X. X. Bai , Lin Miao , Fengfeng Zhu , D. D. Guan , Shun Wang , C. L. Gao , Canhua Liu , Dong Qian , Y. Liu , Jin-feng Jia

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

Black phosphorus (P), a layered material that can be isolated down to individual 2D crystalline sheets, exhibits highly anisotropic mechanical properties due to its corrugated crystal structure in each atomic layer, which are intriguing for…

Mesoscale and Nanoscale Physics · Physics 2015-04-07 Zenghui Wang , Philip X. -L. Feng

We present a symmetry analysis of electronic bandstructure including spin-orbit interaction close to the insulating gap edge in monolayer black phosphorus ('phosphorene'). Expressions for energy dispersion relation and spin-dependent…

Materials Science · Physics 2014-10-03 Pengke Li , Ian Appelbaum

In order to fabricate precise atomic-scale devices in silicon using a combination of scanning tunnelling microscopy (STM) and molecular beam epitaxy it is necessary to minimize the segregation/diffusion of dopant atoms during silicon…

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…

Black phosphorus exhibits a high degree of band anisotropy. However, we found that its in-plane static screening remains relatively isotropic for momenta relevant to elastic long-range scattering processes. On the other hand, the collective…

Spins confined to point defects in atomically-thin semiconductors constitute well-defined atomic-scale quantum systems that are being explored as single photon emitters and spin qubits. Here, we investigate the in-gap electronic structure…

Due to the relatively low formation energies and highly mobile characteristics of atomic vacancies in phosphorene, understanding their evolutions becomes crucial for its structural integrity, chemical activities and applications. Herein, by…

Materials Science · Physics 2019-10-10 Yongqing Cai , Shuai Chen , Junfeng Gao , Gang Zhang , Yong-Wei Zhang

We report the quasiparticle band gap, excitons, and highly anisotropic optical responses of few-layer black phosphorous (phosphorene). It is shown that these new materials exhibit unique many-electron effects; the electronic structures are…

Mesoscale and Nanoscale Physics · Physics 2014-06-27 Vy Tran , Ryan Soklaski , Yufeng Liang , Li Yang
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