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.
Journal ArticleDOI
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.
Journal ArticleDOI
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.
Journal ArticleDOI
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.
Journal ArticleDOI
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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Speeding up the solution of the Bethe-Salpeter equation by a double-grid method and Wannier interpolation
David Kammerlander,David Kammerlander,Silvana Botti,Silvana Botti,Miguel A. L. Marques,Andrea Marini,Claudio Attaccalite +6 more
TL;DR: In this paper, a double-grid technique coupled with a Wannier interpolation of the Kohn-Sham band structure is proposed to solve the Bethe-Salpeter equation.
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Stability of two-dimensional PN monolayer sheets and their electronic properties
TL;DR: The synthesis of the three phases of the PN monolayer sheet is proposed theoretically, which is deserving of further study in experiments, and the zigzag α-PN nanoribbon shows size-dependent ferromagnetism.
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Characterization of the second- and third-harmonic optical susceptibilities of atomically thin tungsten diselenide
Henrique G. Rosa,Ho Yi Wei,Ivan Verzhbitskiy,Manuel J. F. L. Rodrigues,Takashi Taniguchi,Kenji Watanabe,Goki Eda,Vitor M. Pereira,José C. V. Gomes +8 more
TL;DR: The first detailed characterization of the sheet third-harmonic optical susceptibility, χ(3)s, of tungsten diselenide (WSe2) is reported, in very good agreement on the order of magnitude with recent reports for WSe2, which asserts the robustness of the values for |χ( 3)s|.
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Strong second harmonic generation in SiC, ZnO, GaN two-dimensional hexagonal crystals from first-principles many-body calculations.
TL;DR: The second harmonic generation (SHG) intensity spectrum of SiC, ZnO, GaN two-dimensional hexagonal crystals is calculated by using a real-time first-principles approach based on Green's function theory and shows strong excitonic resonances at which the SHG intensity is about two times stronger than within the independent particle approximation.
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Narrow Excitonic Lines and Large-Scale Homogeneity of Transition-Metal Dichalcogenide Monolayers Grown by Molecular Beam Epitaxy on Hexagonal Boron Nitride
Wojciech Pacuski,Magdalena Grzeszczyk,Karol Nogajewski,A. Bogucki,K. Oreszczuk,Julia Kucharek,Karolina Połczyńska,Bartłomiej Seredyński,Aleksander Rodek,Rafał Bożek,Takashi Taniguchi,Kenji Watanabe,Sławomir Kret,Janusz Sadowski,Janusz Sadowski,Janusz Sadowski,Tomasz Kazimierczuk,Marek Potemski,Marek Potemski,Piotr Kossacki +19 more
TL;DR: In this article, a molecular beam epitaxy (MBE)-grown TMD exhibiting narrow and resolved spectral lines of neutral and charged exciton was reported for the first time on the MBE-generated TMD, which exhibited unprecedented high homogeneity of optical properties, with variation of the exciton energy as small as ±016 meV over a distance of tens of micrometers.