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We apply the generalized Boltzmann theory to describe thermoelectric transport properties of monolayer phosphorene in the presence of short- and long-range charged impurity interactions. First, we propose a low-energy Hamiltonian to explore…

Mesoscale and Nanoscale Physics · Physics 2017-01-27 Moslem Zare , Babak Zare Rameshti , Farnood G. Ghamsari , Reza Asgari

We numerically study the disorder effect on the thermoelectric and thermal transport for bilayer graphene under a strong perpendicular magnetic field. In the unbiased case, we find that the thermoelectric transport has similar properties as…

Mesoscale and Nanoscale Physics · Physics 2015-05-27 R. Ma , L. Zhu , L. Sheng , M. Liu , D. N Sheng

The magneto-transport properties of phosphorene are investigated by employing the generalized tight-binding model to calculate the energy bands. For bilayer phosphorene, a composite magnetic and electric field is shown to induce a…

Mesoscale and Nanoscale Physics · Physics 2019-12-24 Jhao-Ying Wu , Wu-Pei Su , Godfrey Gumbs

Phosphorene has attracted tremendous interest recently due to its intriguing electronic properties. However, the thermal transport properties of phosphorene, especially for its allotropes, are still not well-understood. In this work, we…

Mesoscale and Nanoscale Physics · Physics 2016-04-08 J. Zhang , H. J. Liu , L. Cheng , J. Wei , J. H. Liang , D. D. Fan , P. H. Jiang , J. Shi

The conductance and thermoelectric power (TEP) of graphene is simultaneously measured using microfabricated heater and thermometer electrodes. The sign of the TEP changes across the charge neutrality point as the majority carrier density…

Mesoscale and Nanoscale Physics · Physics 2009-04-29 Yuri M. Zuev , Willy Chang , Philip Kim

Based on density functional simulations combined with the Landauer transport theory, the mechanical strain impacts on the chemical bonds of phosphorene and their effects on the electronic properties are studied. Moreover, the effect of the…

Materials Science · Physics 2018-10-01 Zahra Nourbakhsh , Reza Asgari

We report on the electronic transport properties of black phosphorus and analyze them using a two-carrier model in a wide range of pressure up to 2.5 GPa. In semiconducting state at 0.29 GPa, the remarkable non-linear behavior in the Hall…

Strongly Correlated Electrons · Physics 2017-03-16 Kazuto Akiba , Atsushi Miyake , Yuichi Akahama , Kazuyuki Matsubayashi , Yoshiya Uwatoko , Masashi Tokunaga

With the increasing applications of Phosphorene in nano/optoelectronics and thermoelectrics, a comprehensive study on its thermal transport properties is necessary. It has been concluded from previous studies that there exist vast…

Materials Science · Physics 2021-08-31 Fa Zhang , Xiong Zheng , Huimin Wang , Liang Ding , Guangzhao Qin

Using first-principles calculations and non-equilibrium Green's function method, we investigate the ballistic thermal transport in single-layer phosphorene. A significant crystallographic orientation dependence of thermal conductance is…

Mesoscale and Nanoscale Physics · Physics 2017-04-18 Zhun-Yong Ong , Yongqing Cai , Gang Zhang , Yong-Wei Zhang

The intrinsic carrier transport dynamics in phosphorene is theoretically examined. Utilizing a density functional theory treatment, the low-field mobility and the saturation velocity are characterized for both electrons and holes in the…

Mesoscale and Nanoscale Physics · Physics 2016-08-24 Zhenghe Jin , Jeffrey T. Mullen , Ki Wook Kim

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

The electronic properties of the layered black phosphorus (black-P) and its monolayer counterpart phosphorene are investigated by using the first-principles calculations based on the density functional theory (DFT). The room-temperature…

Materials Science · Physics 2014-04-22 H. Y. Lv , W. J. Lu , D. F. Shao , Y. P. Sun

By combining density functional theory and nonequilibrium Green's function, we study the electronic and transport properties of monolayer black phosphorus nanoribbons (PNRs). First, we investigate the band-gap of PNRs and its modulation by…

Mesoscale and Nanoscale Physics · Physics 2016-11-25 Qingyun Wu , Lei Shen , Ming Yang , Zhigao Huang , Yuan Ping Feng

Magnetotransport properties are investigated for a high mobility Si two dimensional electron systems in the vicinity of a Landau level crossing point. At low temperatures, the resistance peak having a strong anisotropy shows large…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Kiyohiko Toyama , Takahisa Nishioka , Kentarou Sawano , Yasuhiro Shiraki , Tohru Okamoto

Phosphorene, the single layer counterpart of black phosphorus, is a novel two-dimensional semiconductor with high carrier mobility and a large fundamental direct band gap, which has attracted tremendous interest recently. Its potential…

Materials Science · Physics 2015-02-06 Guangzhao Qin , Qing-Bo Yan , Zhenzhen Qin , Sheng-Ying Yue , Ming Hu , Gang Su

Experimental studies of the electric and heat currents in the normal, superconducting and mixed states of high T$_c$ superconductors (HTcS) lead to characterization, complementary to data obtained from equilibrium property based techniques.…

Superconductivity · Physics 2009-11-07 M. Ausloos

We study the anisotropic electronic properties of 2D SnS, an analogue of phosphorene, grown by physical vapor transport. With transmission electron microscope and polarized Raman spectroscopy, we identify the zigzag and armchair directions…

Mesoscale and Nanoscale Physics · Physics 2016-12-30 Zhen Tian , Chenglei Guo , Mingxing Zhao , Ranran Li , Jiamin Xue

We investigate transverse magnetic heat transport on the surface of a topological insulator on which a ferromagnet is attached. We present general expressions of the Nernst coefficient and the thermal Hall conductivity, which are reduced to…

Mesoscale and Nanoscale Physics · Physics 2015-05-27 Takehito Yokoyama , Shuichi Murakami

A Stillinger-Weber interatomic potential is parameterized for phosphorene. It well reproduces the crystal structure, cohesive energy and phonon dispersion predicted by first-principles calculations. The thermal conductivity of phosphorene…

Mesoscale and Nanoscale Physics · Physics 2015-10-19 Wen Xu , Liyan Zhu , Yongqing Cai , Gang Zhang , Baowen Li

Newly fabricated monolayer phosphorene and its few-layer structures are expected to be promising for electronic and optical applications because of their finite direct band gaps and sizable but anisotropic electronic mobility. By…

Mesoscale and Nanoscale Physics · Physics 2014-06-02 Ruixiang Fei , Li Yang
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