English
Related papers

Related papers: Electronic Transport in Gadolinium Atomic-Size Con…

200 papers

We have measured electron transport in small bundles of identical conducting Molybdenum Selenide nanowires where the number of weakly interacting one-dimensional chains ranges from 1-300. The linear conductance and current in these…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Latha Venkataraman , Yeon Suk Hong , Philip Kim

We reveal the role of aurophilic interactions in the formation and conductance of gold cyanide molecular wires of variable length-to-width ratios assembled at the tip of an STM break junction in ambient conditions. Specifically, we identify…

Mesoscale and Nanoscale Physics · Physics 2025-08-05 Sigifredo Luna , Hannah E Skipper , Brent Lawson , Eric S Cueny , Maria Kamenetska

We report on recent experimental results from transport measurements with large Hall bars made of high mobility GaAs/AlGaAs heterostructures. Thermally activated conductivities and hopping transport were investigated in the integer quantum…

Mesoscale and Nanoscale Physics · Physics 2009-10-30 M. Furlan

Transition metal dichalcogenides have recently emerged as promising two-dimensional materials with intriguing electronic properties. Existing calculations of intrinsic phonon-limited electronic transport so far have concentrated on the…

Materials Science · Physics 2017-10-05 Nicki Frank Hinsche , Kristian Sommer Thygesen

Electronic states and transport phenomena in semiconductor quantum dots are studied theoretically. Taking account of the electron-electron Coulomb interaction by the exact diagonalization method, the ground state and low-lying excited…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 Mikio Eto

Structural and electronic properties, including deformation, magnetic moment, Mulliken population, bond order as well as electronic transport properties, of zigzag graphene nanoribbon (ZGNR) with Co adatom on hollow site are investigated by…

Mesoscale and Nanoscale Physics · Physics 2013-02-19 G. P. Zhang , Xiaojie Liu , C. Z. Wang , Y. X. Yao , Jian Zhang , K. M. Ho

We study the electronic and structural properties of the low-temperature ordered phase of hydrogen-bonded molecular conductors, $\kappa$-D$_3$(Cat-EDT-TTF)$_2$ and its selenium-substituted analog $\kappa$-D$_3$(Cat-EDT-ST)$_2$, by means of…

Strongly Correlated Electrons · Physics 2020-01-17 Takao Tsumuraya , Hitoshi Seo , Tsuyoshi Miyazaki

We present an approach for calculating the electronic structure and transport properties of nanoscopic conductors that takes into account the dynamical correlations of strongly interacting d- or f-electrons by combining density functional…

Mesoscale and Nanoscale Physics · Physics 2010-11-12 D. Jacob , K. Haule , G. Kotliar

Many phenomena in condensed matter are thought to result from competition between different ordered phases. Palladium is a paramagnetic metal close to both ferromagnetism and superconductivity, and is therefore a potentially interesting…

Mesoscale and Nanoscale Physics · Physics 2010-05-14 Gavin D. Scott , Juan J. Palacios , Douglas Natelson

We present an overview of the measured transport properties of the two dimensional electron fluids in high mobility semiconductor devices with low electron densities, and of some of the theories that have been proposed to account for them.…

Disordered Systems and Neural Networks · Physics 2010-06-01 B. Spivak , S. V. Kravchenko , S. A. Kivelson , X. P. A. Gao

Pt nanocontacts, like those formed in mechanically controlled break junctions, are shown to develop spontaneous local magnetic order. Our density functional calculations predict that a robust local magnetic order exists in the atoms…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 J. Fernández-Rossier , D. Jacob , C. Untiedt , J. J. Palacios

We measure electron transport through point contacts in an electron gas in AlGaAs/GaAs heterostructures and graphene for a range of temperatures, magnetic fields and electron densities. We find a magnetoconductance peak around B = 0. With…

We report the electronic properties of two-dimensional systems made of graphene nanoribbons which are patterned with ad-atoms in two separated regions. Due to the extra electronic confinement induced by the presence of the impurities, we…

Mesoscale and Nanoscale Physics · Physics 2015-09-25 J. W. González , L. Rosales , M. Pacheco , A. Ayuela

Atomically thin (two-dimensional, 2D) semiconductors have shown great potential as the fundamental building blocks for next-generation electronics. However, all the 2D semiconductors that have been experimentally made so far have…

Materials Science · Physics 2020-10-26 Long Cheng , Chenmu Zhang , Yuanyue Liu

We investigate the effect on molecular transport due to the different structural aspects of metal-molecule interfaces. The example system chosen is the prototypical molecular device formed by sandwiching the phenyl dithiolate molecule (PDT)…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 Yongqiang Xue , Mark Ratner

Higher superconducting critical temperature and large-area epsilon-near-zero interfaces are two long-standing goals of Condensed Matter Physics and Optics. Motivated by the recent advancements of experimental interests on metallic…

Relating the band structure of correlated semimetals to their transport properties is a complex and often open issue. The partial occupation of numerous electron and hole bands can result in properties that are seemingly in contrast with…

Quantum point contacts (QPCs) are cornerstones of mesoscopic physics and central building blocks for quantum electronics. Although the Fermi wave-length in high-quality bulk graphene can be tuned up to hundreds of nanometers, the…

Mesoscale and Nanoscale Physics · Physics 2016-06-08 B. Terrés , L. A. Chizhova , F. Libisch , J. Peiro , D. Jörger , S. Engels , A. Girschik , K. Watanabe , T. Taniguchi , S. V. Rotkin , J. Burgdörfer , C. Stampfer

We explore the finite bias DC differential conductance of a correlated quantum dot under the influence of an AC field, from the low-temperature Kondo to the finite temperature Coulomb blockade regime. Real-time simulations are performed…

Mesoscale and Nanoscale Physics · Physics 2018-06-27 G. Stefanucci , S. Kurth

Scattering by slowly fluctuating degrees of freedom can cause a transient localization of the current-carrying electrons in metals, driving the system away from normal metallic behavior. We illustrate and characterize this general…

Strongly Correlated Electrons · Physics 2021-08-25 S. Fratini , S. Ciuchi
‹ Prev 1 8 9 10 Next ›