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Using numerical modeling we study emergence of structure and structure-related nonlinear conduction properties in the self-assembled nanoparticle films. Particularly, we show how different nanoparticle networks emerge within assembly…

Soft Condensed Matter · Physics 2010-10-07 Milovan Suvakov , Bosiljka Tadic

Room-temperature Coulomb blockade of charge transport through composite nanostructures containing organic inter-links has recently been observed. A pronounced charging effect in combination with the softness of the molecular links implies…

Condensed Matter · Physics 2009-10-30 L. Y. Gorelik , A. Isacsson , M. V. Voinova , B. Kasemo , R. I. Shekhter , M. Jonson

Efficient and controlled charge transport in networks of semiconducting single-walled carbon nanotubes is the basis for their application in electronic devices, especially in field-effect transistors and thermoelectrics. The recent advances…

Applied Physics · Physics 2021-11-19 Nicolas F. Zorn , Jana Zaumseil

Nanoscale investigations by scanning probe microscopy have provided major contributions to the rapid development of organic-inorganic halide perovskites (OIHP) as optoelectronic devices. Further improvement of device level properties…

The electron transport in a four-terminal nanodevice consisting of two crossed nanotubes is investigated in the framework of the Landauer-Buttiker formalism. The evident formula for the ballistic conductance of the device is found using a…

Mesoscale and Nanoscale Physics · Physics 2011-11-09 Viktor Margulis , Mikhail Pyataev

Characterization of the structural and electron transport properties of single chiral molecules provides critical insights into the interplay between their electronic structure and electrochemical environments, providing broader…

Chemical Physics · Physics 2024-09-26 Yueqing Shi , Liya Bi , Zihao Wang , Kangkai Liang , Ji-Kun Li , Xiao-Ye Wang , Wan-Lu Li , Shaowei Li

In this letter, carrier transport in graded Al$\mathrm{_x}$Ga$\mathrm{_{1-x}}$N with a polarization-induced n-type doping as low as ~ 10$\mathrm{^{17}}$ cm$\mathrm{^{-3}}$ is reported. The graded Al$\mathrm{_x}$Ga$\mathrm{_{1-x}}$N is grown…

Mesoscale and Nanoscale Physics · Physics 2017-05-24 Mingda Zhu , Meng Qi , Kazuki Nomoto , Zongyang Hu , Bo Song , Ming Pan , Xiang Gao , Debdeep Jena , Huili Grace Xing

A deep understanding of the correlation between electronic and mechanical degrees of freedom is crucial to the development of quantum devices in a nanoelectromechanical system (NEMS). In this work, we first establish a fully quantum…

Mesoscale and Nanoscale Physics · Physics 2025-05-14 Chengjie Wu , Yi Ding , Yiying Yan , Yuguo Su , Elijah Omollo Ayieta , Slobodan Radošević , Georg Engelhardt , Gernot Schaller , JunYan Luo

The quantum transport in a narrow channel (NC) is studied in the presence of a time-dependent delta-profile electric field. The electric field is taken to be transversely polarized, with frequency $\omega$, causing inter-subband and…

Mesoscale and Nanoscale Physics · Physics 2015-06-25 C. S. Chu , C. S. Tang

Molecular dynamics simulation is utilized to investigate the ionic transport of NaCl in solution through a graphene nanopore under an applied electric field. Results show the formation of concentration polarization layers in the vicinity of…

Biological Physics · Physics 2013-01-10 Guohui Hu , Mao Mao , Sandip Ghosal

We present a microscopic model of a charge carrier transfer under an action of a constant electric field in a complex medium. Generalizing previous theoretical approaches, we model the dynamical environment hindering the carrier motion by…

Statistical Mechanics · Physics 2009-11-11 O. Benichou , J. Klafter , M. Moreau , G. Oshanin

Lead chalcogenides are the promising thermoelectric (TE) materials having narrow band gap. The present work investigates the TE behaviour of PbSe in the temperature range 300-500 K. The transport properties of the sample have been studied…

Various charge migration mechanisms in the DNA are studied within the framework of the Peyrard-Bishop-Holstein model which has been widely used to address charge dynamics in this macromolecule. To analyze these mechanisms we consider…

Biological Physics · Physics 2022-09-14 R. P. A. Lima , A. V. Malyshev

The effects of very low temperature on the electron transport in a [110] and [100] axially aligned unstrained silicon nanowires (SiNWs) are investigated. A combination of semi-empirical 10-orbital tight-binding method, density functional…

Mesoscale and Nanoscale Physics · Physics 2025-01-03 Daryoush Shiri , Reza Nekovei , Amit Verma

High-entropy perovskite thin films, as the prototypical representative of the high-entropy oxides with novel electrical and magnetic features, have recently attracted great attention. Here, we reported the electronic structure and charge…

Materials Science · Physics 2021-04-08 Yuqi Liang , Bingcheng Luo , Huijuan Dong , Danyang Wang

Conductance of submicron constrictions of PbTe:Bi was studied up to 8T and between 4.2K and 50mK. The structures were fabricated by electron beam lithography and chemical etching of high--electron mobility films grown by MBE on BaF_2. In…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 G. Grabecki , J. Wrobel , T. Dietl , K. Byczuk , E. Papis , E. Kaminska , A. Piotrowska , G. Springholz , M. Pinczolits , G. Bauer

We investigate the charge and spin transport in half-metallic ferromagnet ($F$) and superconductor ($S$) nanojunctions. We utilize a self-consistent microscopic method that can accommodate the broad range of energy scales present, and…

Superconductivity · Physics 2018-09-06 Chien-Te Wu , Klaus Halterman

Presently, cerium-doped LaMnO$_3$ is vividly discussed as an electron-doped counterpart prototype to the well-established hole-doped mixed-valence manganites. Here, La$_{0.7}$Ce$_{0.3}$MnO$_3$ thin films of different thicknesses, degrees of…

Materials Science · Physics 2015-01-20 Andreas Thiessen , Elke Beyreuther , Robert Werner , Reinhold Kleiner , Dieter Koelle , Lukas M. Eng

The novel technique based on air-gap transistor stamps enabled realization of the intrinsic (not dominated by static disorder) transport of the electric-field-induced charge carriers on the surface of rubrene crystals over a wide…

Materials Science · Physics 2009-11-10 V. Podzorov , E. Menard , A. Borissov , V. Kiryukhin , J. A. Rogers , M. E. Gershenson

We show that the local temperature dependence of thermalized electron and phonon populations along metallic carbon nanotubes is the main reason behind this non-linear transport characteristics in the high bias regime. Our model that…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 M. A. Kuroda , J. -P. Leburton