Giant Linear and Nonlinear Excitonic Responses in an Atomically Thin Indirect Semiconductor Nitrogen Phosphide
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This article is published in Journal of Physical Chemistry C.The article was published on 2021-06-17 and is currently open access. It has received 9 citations till now. The article focuses on the topics: Phosphide.read more
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Optical coherence in atomic monolayer transition metal dichalcogenides limited by electron-phonon interactions
Prasenjit Dey,J. Paul,Zefang Wang,C. E. Stevens,Cunming Liu,Alessandra Romero,Jie Shan,David J. Hilton,Denis Karaiskaj +8 more
TL;DR: In this article, the excitonic dephasing of three representative transition-metal dichalcogenides, namely, the MoS, MoSe and WSe, was investigated in order to gain a proper understanding of the factors that determine optical coherence in these materials.
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Type‐II van der Waals Heterostructures Based on AsP and Transition Metal Dichalcogenides: Great Promise for Applications in Solar Cell
TL;DR: In this article , a stable vdW heterostructures based on arsenic phosphorus (AsP) and transition metal dichalcogenides are designed and the geometry, electronic, and optical properties for type-II AsP/MX2 (Mo, W, X, S, Se) by first-principle calculations are systematically explored and their application in solar cell materials is predicted.
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Quasiparticle energies and significant exciton effects of monolayered blue arsenic phosphorus conformers.
Huiyan Zhao,Qian Wang,Baonan Jia,Lihong Han,Wen Chen,Jinbo Hao,Liyuan Wu,Pengfei Lu,Pengfei Guan +8 more
TL;DR: In this paper, the authors used the single-shot GW-Bethe Salpeter equation (G0W0-BSE) to calculate the electronic and optical properties of six-blue arsenic phosphorus (β-AsP) conformers.
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Potential outstanding physical properties of novel black arsenic phosphorus As0.25P0.75/As0.75P0.25 phases: a first-principles investigation
TL;DR: In this paper , the As 0.25P0.5P1−x alloys with other compositions were not investigated, while the physical properties of the AsxP1 −x with other composition were investigated.
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Optical gaps and excitons in semiconducting transition metal carbides (MXenes)
T. Ketolainen,František Karlický +1 more
TL;DR: In this article , the optical and excitonic properties of two-dimensional transition metal carbides, MXenes, were investigated using time-dependent density functional theory together with the HSE06 hybrid functional.
References
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Exciton diamagnetic shifts and valley Zeeman effect in monolayer WS$_{2}$ and MoS$_{2}$ to 65Tesla
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Half Layer By Half Layer Growth of a Blue Phosphorene Monolayer on a GaN(001) Substrate.
Jiang Zeng,Ping Cui,Zhenyu Zhang +2 more
TL;DR: The HLBHL growth mechanism discovered here may enable mass production of high-quality BlueP, and could also be instrumental in achieving epitaxial growth of BlackP and other 2D materials.
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Many-Body Effects on the Zero-Point Renormalization of the Band Structure
TL;DR: In this paper, the authors compute the zero-point renormalization of the optical band gap of diamond from many-body perturbation theory using the perturbative G0W0 approximation as well as quasiparticle self-consistent GW.
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Breakdown of Optical Phonons’ Splitting in Two-Dimensional Materials
TL;DR: Analysis of the long-wavelength dispersion of longitudinal and transverse optical phonon modes in polar two-dimensional materials, multilayers, and their heterostructures shows that at variance with the three-dimensional case these modes are degenerate at the zone center but the macroscopic electric field associated with the longitudinal-optical modes gives rise to a finite slope at the zones center in their corresponding phonon dispersions.
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Band-structure calculation of dispersion and anisotropy in χ↔(3) for third-harmonic generation in Si, Ge, and GaAs
TL;DR: In this paper, the dispersion, anisotropy, and magnitude of the nonlinear response for optical third-harmonic generation in Si, Ge, and GaAs, using both an empirical tight-binding (ETB) and a semi-ab initio band-structure technique, were performed with use of standard perturbation theory within the random-phase approximation and neglect of local-field corrections, with the minimal coupling interaction Hamiltonian.