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Numerical modeling of electrodynamic aggregation is carried out for a random ensemble of magnetized nanodust taken as a many body system of strongly magnetized thin rods (i.e., one-dimensional static magnetic dipoles), which possess…

Computational Physics · Physics 2009-01-14 A. B. Kukushkin , N. L. Marusov , V. S. Neverov , I. B. Semenov , K. V. Cherepanov , P. V. Minashin

Transport of spherical Brownian particles of finite size possessing radii through narrow channels with varying cross-section area is considered. Applying the so-called Fick-Jacobs approximation, i.e. assuming fast equilibration in…

Mesoscale and Nanoscale Physics · Physics 2015-05-19 Wolfgang Riefler , Gerhard Schmid , P Sekhar Burada , Peter Hanggi

We investigate transport in a granular metallic system at large tunneling conductance between the grains, $g_T\gg 1$. We show that at low temperatures, $T\leq g_T\delta $, where $\delta$ is the single mean energy level spacing in a grain,…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 I. S. Beloborodov , K. B. Efetov , A. V. Lopatin , V. M. Vinokur

Reported electron and hole mobilities, and their saturation velocities, in diamond span orders of magnitude across the literature. We attribute this dispersion primarily to (i) the electric-field window probed in TCT measurements, (ii) the…

Instrumentation and Detectors · Physics 2026-03-24 Faiz Rahman Ishaqzai , Muhammed Deniz , Kevin Kröninger , Jens Weingarten

We present electronic transport characteristics of ternary alloy Cd1-xZnxS nanowire networks in the dark and under white light illumination. Compared to the negligible dark current, we observed a photocurrent enhancement up to 4 orders of…

Mesoscale and Nanoscale Physics · Physics 2015-05-14 Daeha Joung , M. Arif , S. Biswas , S. Kar , S. Santra , Saiful I. Khondaker

$\alpha$-RuCl$_3$ is considered to be the top candidate material for the experimental realization of the celebrated Kitaev model. It is however known that additional interactions beyond the Kitaev model trigger in $\alpha$-RuCl$_3$, a…

Graphene/hexagonal boron nitride (G/$h$-BN) heterostructures offer an excellent platform for developing nanoelectronic devices and for exploring correlated states in graphene under modulation by a periodic superlattice potential. Here, we…

Mesoscale and Nanoscale Physics · Physics 2018-03-14 Jiayu Li , Li Lin , Guang-Yao Huang , N. Kang , Jincan Zhang , Hailin Peng , Zhongfan Liu , H. Q. Xu

The two-step percolation behavior in aggregating systems was studied both experimentally and by means of Monte Carlo (MC) simulations. In experimental studies, the electrical conductivity, $\sigma$, of colloidal suspension of multiwalled…

Soft Condensed Matter · Physics 2017-03-31 N. Lebovka , L. Bulavin , V. Kovalchuk , I. Melnyk , K. Repnin

We report the transport characteristics of both electrons and holes through narrow constricted crystalline Si "wall-like" long-channels that were surrounded by a thermally grown SiO2 layer. Importantly, as a result of the existence of fixed…

Mesoscale and Nanoscale Physics · Physics 2015-10-28 C. S. Mayberry , Danhong Huang , G. Balakrishnan , C. Kouhestani , N. Islam , S. R. J. Brueck , A. K. Sharma

The mobility of p-type nanowires (NWs) of diameters of D=12nm down to D=3nm, in [100], [110], and [111] transport orientations is calculated. An atomistic tight-binding model is used to calculate the NW electronic structure. Linearized…

Mesoscale and Nanoscale Physics · Physics 2010-11-12 Neophytos Neophytou , Hans Kosina

Recently, Gomes et al. [1] have visualized the gap formation in nanoscale regions (NRs) above the critical temperature T_c in the high-T_c superconductor Bi_2Sr_2CaCu_2O_{8+\delta}. It has been found that, as the temperature lowers, the NRs…

Superconductivity · Physics 2015-03-17 B. Abdullaev , C. -H. Park , M. M. Musakhanov

We report on the fabrication and current-voltage (IV) characteristics of very narrow, strip-like arrays of metal nanoparticles. The arrays were formed from gold nanocrystals self-assembled between in-plane electrodes. Local cross-linking of…

Mesoscale and Nanoscale Physics · Physics 2016-08-31 Klara Elteto , Xiao-Min Lin , Heinrich M. Jaeger

We present an empirical model for the nearballistic transport in carbon nanotube (CNT) transistors used as strain sensors. This model describes the intrinsic effect of strain on the transport in CNTs by taking into account phonon scattering…

Mesoscale and Nanoscale Physics · Physics 2017-06-30 C. Wagner , J. Schuster , T. Gessner

In complex oxides, charge carriers often couple strongly with lattice vibrations to form polarons-entangled electron-phonon quasiparticles whose transport properties remain difficult to characterize. Experimental access to intrinsic…

Materials Science · Physics 2025-10-09 F. Liu , Z. Yang , Y. Luo , S. Guo , C. Zhang , S. Choo , X. Xu , X. Wang , K. A. Mkhoyan , M. Bernardi , B. Jalan

We report here an assessment of carrier multiplication (CM) yields in PbSe and PbS nanocrystals (NCs) by a quantitative analysis of biexciton and exciton dynamics in transient photoluminescence decays. Interest in CM, the generation of more…

Materials Science · Physics 2009-11-13 Gautham Nair , Scott M Geyer , Liang-Yi Chang , Moungi G Bawendi

We present an efficient and robust numerical model for simulation of electrokinetic phenomena in porous networks over a wide range of applications including energy conversion, desalination, and lab-on-a-chip systems. Coupling between fluid…

Fluid Dynamics · Physics 2016-10-04 Shima Alizadeh , Ali Mani

The strikingly different charge transport behaviors in nanocomposites of multiwall carbon nanotubes (MWNTs) and conducting polymer polyethylene dioxythiophene - polystyrene sulfonic acid (PEDOT-PSS) at low temperatures are explained by…

Mesoscale and Nanoscale Physics · Physics 2015-05-28 Paramita Kar Choudhury , S. Ramaprabhu , K. P. Ramesh , Reghu Menon

We report low-temperature electrical transport studies of molecule-scale silicon nanowires. Individual nanowires exhibit well-defined Coulomb blockade oscillations characteristic of charge addition to a single nanostructure with length…

Materials Science · Physics 2015-06-24 Zhaohui Zhong , Ying Fang , Wei Lu , Charles M. Lieber

We study magnetization transport at high temperatures in several spin ladder systems as well as in next-nearest-neighbor coupled spin chains. In the integrable ladder considered we analytically show that the transport is ballistic in…

Strongly Correlated Electrons · Physics 2013-11-28 Marko Znidaric

We present direct imaging measurements of charge transport across a 1 cm x 1 cm x 4 mm-thick crystal of high purity silicon ($\sim$15 k$\Omega$-cm) at temperatures of 5 K and 500 mK. We use these data to measure the lateral diffusion of…

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