Ultrafast Auger process in few-layer PtSe2

Nanoscale ◽  
2020 ◽  
Vol 12 (43) ◽  
pp. 22185-22191
Author(s):  
Hee Jun Shin ◽  
Seongkwang Bae ◽  
Sangwan Sim
Keyword(s):  
Direct Observation ◽  
Two Dimensional ◽  
Many Body ◽  
Auger Process ◽  
Body Interaction

Direct observation of the Auger process (representative many-body interaction of carriers) in emerging two-dimensional semiconductor PtSe2.

scholarly journals Many-body interaction in semiconductors probed with two-dimensional Fourier spectroscopy

2007 ◽  
Vol 76 (11) ◽  
Author(s):  
Mikhail Erementchouk ◽  
Michael N. Leuenberger ◽  
L. J. Sham
Keyword(s):  
Two Dimensional ◽  
Fourier Spectroscopy ◽  
Many Body ◽  
Body Interaction

scholarly journals Direct observation of many-body charge density oscillations in a two-dimensional electron gas

2015 ◽  
Vol 6 (1) ◽  
Author(s):  
Paolo Sessi ◽  
Vyacheslav M. Silkin ◽  
Ilya A. Nechaev ◽  
Thomas Bathon ◽  
Lydia El-Kareh ◽  
...  
Keyword(s):  
Charge Density ◽  
Direct Observation ◽  
Electron Gas ◽  
Two Dimensional ◽  
Dimensional Electron ◽  
Many Body ◽  
Two Dimensional Electron Gas ◽  
Dimensional Electron Gas

First-Principles Evaluation of the Potential of Borophene as a Monolayer Transparent Conductor

2017 ◽  
Author(s):  
Lyudmyla Adamska ◽  
Sridhar Sadasivam ◽  
Jonathan J. Foley ◽  
Pierre Darancet ◽  
Sahar Sharifzadeh
Keyword(s):  
First Principles ◽  
Density Functional ◽  
State Of The Art ◽  
Transparent Electrode ◽  
Visible Range ◽  
Two Dimensional ◽  
Transparent Conductor ◽  
Many Body ◽  
Functional Theory ◽  
Many Body Perturbation Theory

Two-dimensional boron is promising as a tunable monolayer metal for nano-optoelectronics. We study the optoelectronic properties of two likely allotropes of two-dimensional boron using first-principles density functional theory and many-body perturbation theory. We find that both systems are anisotropic metals, with strong energy- and thickness-dependent optical transparency and a weak (<1%) absorbance in the visible range. Additionally, using state-of-the-art methods for the description of the electron-phonon and electron-electron interactions, we show that the electrical conductivity is limited by electron-phonon interactions. Our results indicate that both structures are suitable as a transparent electrode.

scholarly journals Enhanced screening and spectral diversity in many-body elastic scattering of excitons in two-dimensional hybrid metal-halide perovskites

2019 ◽  
Vol 1 (3) ◽  
Author(s):  
Félix Thouin ◽  
Daniele Cortecchia ◽  
Annamaria Petrozza ◽  
Ajay Ram Srimath Kandada ◽  
Carlos Silva
Keyword(s):  
Elastic Scattering ◽  
Metal Halide ◽  
Two Dimensional ◽  
Many Body ◽  
Halide Perovskites

scholarly journals Strong second harmonic generation in SiC, ZnO, GaN two-dimensional hexagonal crystals from first-principles many-body calculations

2015 ◽  
Vol 17 (14) ◽  
pp. 9533-9540 ◽  
Author(s):  
C. Attaccalite ◽  
A. Nguer ◽  
E. Cannuccia ◽  
M. Grüning
Keyword(s):  
Second Harmonic Generation ◽  
Real Time ◽  
Harmonic Generation ◽  
First Principles ◽  
Function Theory ◽  
Second Harmonic ◽  
Two Dimensional ◽  
Many Body ◽  
Ti:Sapphire Laser ◽  
Hexagonal Crystals

By using a real-time approach based on Green's function theory we predict a strong second-harmonic generation (SHG) for frequencies at which Ti:sapphire laser operates and for which the materials are transparent.

Direct Observation of Spin-Splitting of the Shubnikov- de Haas Oscillations in a Quasi-Two-Dimensional Organic Conductor (BEDT-TTF)2KHg(SCN)4

1990 ◽  
Vol 59 (7) ◽  
pp. 2324-2327 ◽  
Author(s):  
Madoka Tokumoto ◽  
A. G. Swanson ◽  
J. S. Brooks ◽  
C. C. Agosta ◽  
S. T. Hannahs ◽  
...  
Keyword(s):  
Direct Observation ◽  
Spin Splitting ◽  
Two Dimensional ◽  
Organic Conductor ◽  
Shubnikov De Haas Oscillations

Engineering exciton many-body interaction in atomically thin MoS2

2021 ◽  
Author(s):  
Santu Kumar Bera ◽  
Dipendranath Mandal ◽  
K. V. Adarsh
Keyword(s):  
Many Body ◽  
Body Interaction
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