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We theoretically study the effect of polar substrates on the magneto-optical conductivity of doped monolayer graphene, where we particularly focus on the role played by surface polar phonons (SPPs). Our calculations suggest that polaronic…

Mesoscale and Nanoscale Physics · Physics 2013-09-25 Benedikt Scharf , Vasili Perebeinos , Jaroslav Fabian , Igor Žutić

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…

Materials Science · Physics 2025-04-10 S. Mounbou , S. I. Fewo , L. A. Ribeiro , C. Kenfack-Sadem

In this work we report for the first time, to the best of our concern, the tunable electronic properties of Beta-Borophene (BB) on the polar substrate (ZrO_2). We provide an analytical prescription for the calculation of ground state energy…

Mesoscale and Nanoscale Physics · Physics 2022-04-13 Defne Akay , Santanu. K. Maiti

We investigate the anisotropic hybrid plasmon-SO phonon dispersion relations in monolayer and double-layer phosphorene systems located on the polar substrates, such as SiO2, h-BN and Al2O3. We calculate these hybrid modes with using the…

Mesoscale and Nanoscale Physics · Physics 2017-09-06 S. Saberi-Pouya , T. Vazifehshenas , T. Salavati-fard , M. Farmanbar

Polaron spectral functions are computed for highly doped graphene-on-substrate and other atomically thin graphitic systems using the diagrammatic Monte Carlo technique. The specific aim is to investigate the effects of interaction on…

Strongly Correlated Electrons · Physics 2012-11-30 J. P. Hague

We calculate an electron-phonon scattering and intrinsic transport properties of black phosphorus monolayer using tight-binding and Boltzmann treatments as a function of temperature, carrier density, and electric field. The low-field…

Mesoscale and Nanoscale Physics · Physics 2017-04-12 Yuri Trushkov , Vasili Perebeinos

We study the effect of circularly polarized electromagnetic radiation on optical polarons in monolayer \b{eta}-borophene. We focus on the off-resonant regime of large driving frequencies, which allows to set up an effectively…

Materials Science · Physics 2022-07-26 D. Akay , J. Schliemann

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

Using first-principles calculations, we study the electronic properties of few-layer phosphorene focusing on layer-dependent behavior of band gap, work function and band alignment and carrier effective mass. It is found that few-layer…

Materials Science · Physics 2014-10-13 Yongqing Cai , Gang Zhang , Yong-Wei Zhang

In polar insulators where longitudinal and transverse optical phonon modes differ substantially, the electron-phonon coupling affects the energy-band structure primarily through the long-range Fr\"ohlich contribution to the Fan term. This…

Materials Science · Physics 2017-09-27 Walter R. L. Lambrecht , Churna Bhandari , Mark van Schilfgaarde

We study the effects of lattice type on polaron dynamics using a continuous-time quantum Monte-Carlo approach. Holstein and screened Froehlich polarons are simulated on a number of different Bravais lattices. The effective mass, isotope…

Strongly Correlated Electrons · Physics 2009-11-11 J. P. Hague , P. E. Kornilovitch , A. S. Alexandrov , J. H. Samson

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

Motivated by recent experimental progress, we study the effect of mechanical deformations on the superconducting pairing symmetries in monolayer black phosphorus (MBP). Starting with phonon-mediated intervalley spin-singlet…

Materials Science · Physics 2019-05-16 Mohammad Alidoust , Morten Willatzen , Antti-Pekka Jauho

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…

Mesoscale and Nanoscale Physics · Physics 2015-05-20 X. Li , E. A. Barry , J. M. Zavada , M. Buongiorno Nardelli , K. W. Kim

Energy bandgap largely determines the optical and electronic properties of a semiconductor. Variable bandgap therefore makes versatile functionality possible in a single material. In layered material black phosphorus, the bandgap can be…

The electronic structure of condensed matter can be significantly affected by the electron-phonon interaction, leading to important phenomena such as electrical resistance, superconductivity or the formation of polarons. This interaction is…

Anisotropic electron-phonon interaction is shown to lead to the anisotropic polaron effect. The resulting anisotropy of the polaron band is an exponential function of the electron-phonon coupling and might be as big as $10^3$. This also…

Strongly Correlated Electrons · Physics 2009-10-31 P E Kornilovitch

Flexural thermal fluctuations in crystalline membranes affect the band structure of the carriers, which leads to an exponential density-of-states (DOS) tail beyond the unperturbed band edge. We present a theoretical description of this tail…

Mesoscale and Nanoscale Physics · Physics 2017-02-01 S. Brener , A. N. Rudenko , M. I. Katsnelson

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…

Mesoscale and Nanoscale Physics · Physics 2015-07-23 M. Tahir , P. Vasilopoulos , F. M. Peeters

We use the approximation-free Bold Diagrammatic Monte Carlo technique to study the effects of a finite dispersion of the optical phonon mode on the properties of the Holstein polaron, especially its effective mass. For weak electron-phonon…

Strongly Correlated Electrons · Physics 2013-09-02 Dominic J. J. Marchand , Mona Berciu
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