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Related papers: Inelastic Scattering in Metal-H2-Metal Junctions

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First results of the differential cross section in dp elastic scattering at 1.25 GeV/u measured with the HADES over a large angular range are reported. The obtained data corresponds to large transverse momenta, where a high sensitivity to…

We investigate the nature of electron transport through monolayer molybdenum dichalcogenides (MoX$_2$, X=S, Se) suspended between Au and Ti metallic contacts. The monolayer is placed ontop of the close-packed surfaces of the metal…

Mesoscale and Nanoscale Physics · Physics 2013-11-12 Zhaoqiang Bai , Troels Markussen , Kristian S. Thygesen

A conducting bridge of a single hydrogen molecule between Pt electrodes is formed in a break junction experiment. It has a conductance near the quantum unit, G_0 = 2e^2/h, carried by a single channel. Using point contact spectroscopy three…

Mesoscale and Nanoscale Physics · Physics 2017-12-11 D. Djukic , K. S. Thygesen , C. Untiedt , R. H. M. Smit , K. W. Jacobsen , J. M. van Ruitenbeek

We develop a theory of the conductance of superconductor/normal metal/superconductor junctions in the case where the superconducting order parameter has d-wave symmetry. At low temperature the conductance is proportional to the square root…

Superconductivity · Physics 2012-07-19 D. A. Pesin , A. V. Andreev , B. Spivak

The bulk microwave conductivity of a dirty d-wave superconductor is known to depend sensitively on the range of the disorder potential: long-range scattering enhances the conductivity, while short- range scattering has no effect. Here we…

Mesoscale and Nanoscale Physics · Physics 2011-04-29 J. K. Asboth , A. R. Akhmerov , M. V. Medvedyeva , C. W. J. Beenakker

We report extensive all-electron time-dependent density-functional calculations and nonresonant inelastic x-ray scattering measurements of the dynamical structure factor of 3d transition metals. For small wave vectors, a plasmon peak is…

Atomic vibrational dynamics in cuprite, Cu2O, was studied by inelastic neutron scattering and molecular dynamics (MD) simulations from 10 K to 900 K. Above 300 K, a diffuse inelastic intensity (DII) appeared, obscuring the high-energy…

We report low-temperature transport measurements through molecules of Gd metallofullerenes between superconducting suspended electrodes. The presence and number of molecules in the 2 nm-wide gap between electrodes was determined by high…

We calculate the differential conductance (dI/dV) corresponding to scanning tunneling spectroscopy (STS) measurements for two magnetic atoms adsorbed on a metal surface with the aid of the numerical renormalization group (NRG) technique. We…

Materials Science · Physics 2015-05-14 Emi Minamitani , Hiroshi Nakanishi , Wilson Agerico Dino , Hideaki Kasai

We analyze the behavior of the longitudinal conductivity $\sigma_{zz}$ in a field perpendicular to the highly conducting plane of a quasi-2D {\em multiband} metal in the case of closed system and open systems where $\tau$ is fixed, $\tau$…

Mesoscale and Nanoscale Physics · Physics 2008-02-29 I. O. Thomas , V. V. Kabanov , A. S. Alexandrov

The dilepton transverse momentum spectra and invariant mass spectra for low $p_T <0.15$~GeV/c in Au+Au collisions of different centralities at $\sqrt{s_{NN}}$ = 200 GeV are studied within the parton-hadron-string dynamics (PHSD) transport…

Nuclear Theory · Physics 2018-10-24 Taesoo Song , Wolfgang Cassing , Pierre Moreau , Elena Bratkovskaya

Lateral-hetero structures of atomic layered materials alter the electronic properties of pristine crystals and provide a possibility to produce useful monolayer materials. We reveal that metal-semiconductor-metal lateral-hetero junctions of…

Mesoscale and Nanoscale Physics · Physics 2022-03-04 Tetsuro Habe

An electronic solid with itinerant carriers and localized magnetic moments represents a paradigmatic strongly correlated system. The electrical transport properties associated with the itinerant carriers, as they scatter off these local…

Strongly Correlated Electrons · Physics 2023-09-04 J. F. Mendez-Valderrama , Evyatar Tulipman , Elina Zhakina , Andrew P. Mackenzie , Erez Berg , Debanjan Chowdhury

Molecules of bisthiolterthiophene have been adsorbed on the two facing gold electrodes of a mechanically controllable break junction in order to form metal-molecule(s)-metal junctions. Current-voltage (I-V) characteristics have been…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 C. Kergueris , J. -P. Bourgoin , S. Palacin , D. Esteve , C. Urbina , M. Magoga , C. Joachim

Charge transport in the diffusive normal metal (DN) / insulator / $s$- and $% d $-wave superconductor junctions is studied in the presence of magnetic impurities in DN in the framework of the quasiclassical Usadel equations with the…

Superconductivity · Physics 2009-11-10 T. Yokoyama , Y. Tanaka , A. A. Golubov , J. Inoue , Y. Asano

We investigate, by means of first-principles calculations, structural and transport properties of junctions made of symmetric dithiolated molecules placed between Au electrodes. As the electrodes are pulled apart, we find that it becomes…

Materials Science · Physics 2015-06-25 Ronaldo J. C. Batista , Pablo Ordejón , Hélio Chacham , Emilio Artacho

We experimentally investigate the effect of electron temperature on transport in the two-dimensional Dirac surface states of the three-dimensional topological insulator HgTe. We find that around the minimal conductivity point, where both…

The effect of disorder on a class of transition metal oxides described by a single orbital Hubbard model at half filling is investigated. The phases are characterized by the nature of the electronic and spin excitations. The frequency and…

Strongly Correlated Electrons · Physics 2008-07-23 Kohjiro Kobayashi , Byounghak Lee , Nandini Trivedi

Recent first-principles electron-phonon scattering calculations of heavily-doped semiconductors suggest that a simple DOS scattering model, wherein the electronic scattering rates are assumed to be proportional to the density-of-states,…

Materials Science · Physics 2020-02-26 Cameron Rudderham , Jesse Maassen

We present a theoretical study of the transport characteristics of molecular junctions, where first-row diatomic molecules are attached to (001) gold and platinum electrodes. We find that the conductance of all of these junctions is of the…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 J. Ferrer , V. M. Garcia-Suarez