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We present a detailed study of the charge transport, optical reflectivity, and thermal transport properties of n-type PbSe crystals. A strong scattering, mobility-limiting mechanism was revealed to be at play at temperatures above 500 K.…

We investigate the structure and mobility of dislocations in hcp 4He crystals. In addition to fully characterizing the five elastic constants of this system, we obtain direct insight into dislocation core structures on the basal plane,…

Materials Science · Physics 2015-05-18 Renato Pessoa , S. A. Vitiello , Maurice de Koning

We explore electron transport properties for the model of benzene-1, 4-dithiolate (BDT) molecule and for some other geometric models of benzene molecule attached to two semi-infinite one-dimensional metallic electrodes using the Green's…

Mesoscale and Nanoscale Physics · Physics 2010-04-13 Santanu K. Maiti

We investigated the transport properties of BaFe$_2$As$_2$ single crystals before and after annealing with BaAs powder. The annealing remarkably improves transport properties, in particular the magnitude of residual resistivity which…

Superconductivity · Physics 2011-11-15 S. Ishida , T. Liang , M. Nakajima , K. Kihou , C. H. Lee , A. Iyo , H. Eisaki , T. Kakeshita , T. Kida , M. Hagiwara , Y. Tomioka , T. Ito , S. Uchida

Motivated by recent experiments on suspended graphene showing carrier mobilities as high as 200,000 cm^2/Vs, we theoretically calculate transport properties assuming Coulomb impurities as the dominant scattering mechanism. We argue that the…

Materials Science · Physics 2008-05-11 S. Adam , S. Das Sarma

Many optoelectronic properties have been reported for lead halide perovskite polycrystalline films. However, ambiguities in the evaluation of these properties remain, especially for long-range lateral charge transport, where ionic…

We performed a series of theoretical transport studies on Y-branch electron waveguides which are embedded in mid-size armchair graphene nanoribbons (AGNRs). Non-equilibrium Greens function (NEGF) with different approximations of…

Mesoscale and Nanoscale Physics · Physics 2018-11-14 Vahid Mosallanejad , Kuei-Lin Chiu , Guo-ping Guo

This study systematically investigates the regulation mechanisms of backbone topology (tri-/tetracyclic arenes), substitution positions, and functional groups on charge transport properties through molecular design of…

Chemical Physics · Physics 2025-05-28 Zhipeng Tong , Xiaoqi Sun , Guiya Qin , Jinpu Bai , Qi Zhao , Aimin Ren , Jingfu Guo

We investigate the diffusive electron-transport properties of charge-doped graphene ribbons and nanoribbons with imperfect edges. We consider different regimes of edge scattering, ranging from wide graphene ribbons with (partially)…

We report a multiband transport study of bilayer graphene at high carrier densities. Employing a poly(ethylene)oxide-CsClO$_4$ solid polymer electrolyte gate we demonstrate the filling of the high energy subbands in bilayer graphene samples…

Mesoscale and Nanoscale Physics · Physics 2015-05-28 Dmitri K. Efetov , Patrick Maher , Simas Glinskis , Philip Kim

Bi$_2$O$_2$Se is an emerging high-performance layered semiconductor with excellent stability. While experimental studies have explored carrier transport across various doping levels for both $n$-type and $p$-type conduction, a comprehensive…

Materials Science · Physics 2026-01-15 Yubo Yuan , Ziye Zhu , Jiaming Hu , Wenbin Li

We studied the correlation among structure and transport properties and superconductivity in the different $A_x$Fe$_2$Se$_2$ single crystals ($A$ = K, Rb, and Cs). Two sets of (00$l$) reflections are observed in the X-ray single crystal…

Superconductivity · Physics 2011-07-26 X. G. Luo , X. F. Wang , J. J. Ying , Y. J. Yan , Z. Y. Li , M. Zhang , A. F. Wang , P. Cheng , Z. J. Xiang , G. J. Ye , R. H. Liu , X. H. Chen

Optical spectroscopy was used to study the electrodynamics and hidden transport properties of a BaFe$_{1.91}$Ni$_{0.09}$As$_{2}$ thin superconducting film. We analyzed the normal state data using a Drude-Lorentz model with two Drude…

Superconductivity · Physics 2020-12-04 Yu. A. Aleshchenko , A. V. Muratov , G. A. Ummarino , S. Richter , A. Anna Thomas , R. Hühne

(Bi1-xSbx)2Te3 (x=0.60, 0.65, 0.68, 0.70, 0.75 and 0.80) mixed crystals have been synthesized by solid state reaction. In depth structural, thermal, transport and electronic properties are reported. Defect and disorder play a crucial role…

Applied Physics · Physics 2021-08-03 K. Malik , S. Mahakal , Diptasikha Das , Aritra Banerjee , S. Chatterjee , Anusree Das

In this research work, roll-to-roll chemical vapor deposited graphene device electronic transport properties are benchmarked to elucidate and comprehend mobility degradation in the real-world commercial application of graphene devices.…

Mesoscale and Nanoscale Physics · Physics 2022-10-13 Bhupesh Bishnoi

Single-crystal organic field-effect transistors (OFETs) based on p-channel molecular semiconductors have led to breakthrough carrier mobilities and to the observation of band-like transport. These results represent the limit in our quest…

Materials Science · Physics 2012-02-10 Nikolas A. Minder , Shimpei Ono , Zhihua Chen , Antonio Facchetti , Alberto F. Morpurgo

We present the results of a numerical investigation of charged-particle transport across a synthesized magnetic configuration composed of a constant homogeneous background field and a multiscale perturbation component simulating an effect…

Statistical Mechanics · Physics 2007-05-23 Francesco Chiaravalloti , Alexander V. Milovanov , Gaetano Zimbardo

Graphene nanoribbons and constrictions are envisaged as fundamental components of future carbon-based nanoelectronic and spintronic devices. At nanoscale, electronic effects in these devices depend heavily on the dimensions of the active…

Structure differences of isotopically different dodecaborides LuNB12 (N = 10, 11, natural) and their impact on thermal and charge transport characteristics of the crystals have been first discovered. Atomic displacement parameters (ADPs) of…

Using a combined Dynamical Mean Field Theory and Hartree (DMFT+H) calculation we study the transport and optical properties of the 8-band heavy fermion model for Twisted Bilayer Graphene (TBG) in the normal state. We find resistive states…

Strongly Correlated Electrons · Physics 2026-05-19 M. J. Calderón , A. Camjayi , A. Datta , E. Bascones