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相关论文: Magneto-optical conductivity of graphene on polar …

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Using the Kubo linear response formalism, we study the effects of intrinsic graphene optical and surface polar phonons (SPPs) on the optical conductivity of doped graphene. We find that inelastic electron-phonon scattering contributes…

介观与纳米尺度物理 · 物理学 2013-01-22 Benedikt Scharf , Vasili Perebeinos , Jaroslav Fabian , Phaedon Avouris

Polarons are the primary charge carriers in organic materials. A deep understanding of their properties can open channels for novel optoelectronic applications. By applying electric and magnetic fields, we investigate the influence of…

材料科学 · 物理学 2025-04-10 S. Mounbou , S. I. Fewo , L. A. Ribeiro , C. Kenfack-Sadem

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…

介观与纳米尺度物理 · 物理学 2015-05-20 X. Li , E. A. Barry , J. M. Zavada , M. Buongiorno Nardelli , K. W. Kim

We show how coupling to an Einstein phonon $\omega_E$ affects the absorption peaks seen in the optical conductivity of graphene under a magnetic field $B$. The energies and widths of the various lines are shifted, and additional peaks arise…

介观与纳米尺度物理 · 物理学 2015-06-04 Adam Pound , J. P. Carbotte , E. J. Nicol

In this letter, based on the quantum Hall regime of magneto-optical graphene, we have theoretically investigated the coupling of magnetoplasmon polaritons (MPP) to surface phonon polaritons (SPhPs) by investigating the radiative heat…

光学 · 物理学 2025-03-07 Mingjian He , Hong Qi , Yatao Ren , Yijun Zhao , Mauro Antezza

One of the factors limiting electron mobility in supported graphene is remote phonon scattering. We formulate the theory of the coupling between graphene plasmon and substrate surface polar phonon (SPP) modes, and find that it leads to the…

介观与纳米尺度物理 · 物理学 2015-06-05 Zhun-Yong Ong , Massimo V. Fischetti

We investigate the effect of charge carrier interaction with surface optical phonons on the band properties of monolayer black phosphorus induced by polar substrates. We develop an analytical method based on the Lee-Low-Pines theory to…

介观与纳米尺度物理 · 物理学 2016-02-12 A. Mogulkoc , Y. Mogulkoc , A. N. Rudenko , M. I. Katsnelson

Knowing the influence of the substrate type on the diffusion coefficient and the momentum relaxation in graphene is of great importance for the development of new device models specifically adapted to the peculiarities of this material. In…

介观与纳米尺度物理 · 物理学 2014-06-11 Raúl Rengel , Elena Pascual , María J. Martin

It is known that electron scattering by surface polar phonons (SPPs) of the substrate reduces their mobility in supported graphene. However, there is no experimental evidence for contribution of drag of electrons by SPP to thermoelectric…

介观与纳米尺度物理 · 物理学 2016-09-07 S. V. Koniakhin , A. V. Nalitov

Graphene, as a two-dimensional magneto-optical material, supports magnetoplasmon polaritons (MPP) when exposed to an applied magnetic field. Recently, MPP of a single-layer graphene has shown an excellent capability in the modulation of…

介观与纳米尺度物理 · 物理学 2023-09-11 Ming-Jian He , Lei Qu , Ya-Tao Ren , Hong Qi , Mauro Antezza , He-Ping Tan

The optical properties of magnetite at room temperature were studied by infrared reflectivity measurements as a function of pressure up to 8 GPa. The optical conductivity spectrum consists of a Drude term, two sharp phonon modes, a…

强关联电子 · 物理学 2018-02-02 J. Ebad-Allah , L. Baldassarre , M. Sing , R. Claessen , V. A. M. Brabers , C. A. Kuntscher

The magneto-optical longitudinal, transverse Hall and circularly-polarized response of silicene and other materials described by a Kane-Mele Hamiltonian are calculated. Particular attention is paid to the effects of an external electric…

介观与纳米尺度物理 · 物理学 2013-08-29 Calvin J. Tabert , Elisabeth J. Nicol

We present a study of transport in graphene devices on polar insulating substrates by solving the Bolzmann transport equation in the presence of graphene phonon, surface polar phonon, and Coulomb charged impurity scattering. The value of…

介观与纳米尺度物理 · 物理学 2015-05-18 Vasili Perebeinos , Phaedon Avouris

The magneto-optical absorption properties of graphene multilayers are theoretically studied. It is shown that the spectrum can be decomposed into sub-components effectively identical to the monolayer or bilayer graphene, allowing us to…

介观与纳米尺度物理 · 物理学 2009-11-13 Mikito Koshino , Tsuneya Ando

The effect of various dielectrics on charge mobility in single layer graphene is investigated. By calculating the remote optical phonon scattering arising from the polar substrates, and combining it with their effect on Coulombic impurity…

材料科学 · 物理学 2015-05-13 Aniruddha Konar , Tian Fang , Debdeep Jena

The temperature ($\it T$) dependence of electrical resistivity in graphene has been experimentally investigated between 10 and 400 K for samples prepared on various substrates; HfO$_2$, SiO$_2$ and h-BN. The resistivity of graphene shows a…

介观与纳米尺度物理 · 物理学 2019-07-29 Y. G. You , J. H. Ahn , B. H. Park , Y. Kwon , E. E. B. Campbell , S. H. Jhang

Graphene is a privileged 2D platform for hosting confined light-matter excitations known as surface plasmon-polaritons (SPPs), as it possesses low intrinsic losses with a high degree of optical confinement. However, the inherently isotropic…

We analyze intrinsic nonlinearities in two-dimensional polaritonic materials interacting with an optical wave. Focusing on the case of graphene, we show that the second-order nonlinear optical conductivity due to carrier density…

介观与纳米尺度物理 · 物理学 2019-07-24 Christian Wolff , Christos Tserkezis , N. Asger Mortensen

On the basis of the Kubo formula we evaluated the optical conductivity of a graphene sheet. The full behavior of frequency as well as temperature dependence of the optical conductivity is presented. We show that the anisotropy of…

介观与纳米尺度物理 · 物理学 2008-10-07 Chao Zhang , Lei Chen , Zhongshui Ma

The electronic properties of monolayer phosphorene are exotic due to its puckered structure and large intrinsic direct band gap. We derive and discuss its band structure in the presence of a perpendicular magnetic field. Further, we…

介观与纳米尺度物理 · 物理学 2015-07-23 M. Tahir , P. Vasilopoulos , F. M. Peeters
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