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most citedDoping graphene with metal contacts

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102 papers · 1 filter

cond-mat.supr-con2011★ 68 cited

Experimental realization of SQUIDs with topological insulator junctions

M. Veldhorst, C. G. Molenaar, X. L. Wang +2

We demonstrate topological insulator (BiTe) dc SQUIDs, based on superconducting Nb leads coupled to nano-fabricated Nb-BiTe-Nb Josephson junctions. The high reprodu…

math.NA2011★ 3 cited

Residual, restarting and Richardson iteration for the matrix exponential, revised

Mike A. Botchev

A well-known problem in computing some matrix functions iteratively is the lack of a clear, commonly accepted residual notion. An important matrix function for which this is the ca…

cond-mat.supr-con2011★ 12 cited

Properties of MgB2 Films Grown at Various Temperatures by Hybrid Physical-Chemical Vapour Deposition

K. Chen, M. Veldhorst, C. H. Lee +5

A Hybrid Physical-Chemical Vapour Deposition (HPCVD) system consisting of separately controlled Mg-source heater and substrate heater is used to grow MgB2 thin films and thick film…

cond-mat.supr-con2011★ 67 cited

Nonlocal Cooper pair Splitting in a pSn Junction

M. Veldhorst, A. Brinkman

Perfect Cooper pair splitting is proposed, based on crossed Andreev reflection (CAR) in a p-type semiconductor - superconductor - n-type semiconductor (pSn) junction. The ideal spl…

cond-mat.str-el2011★ 328 cited

Josephson supercurrent through a topological insulator surface state

M. Veldhorst, M. Snelder, M. Hoek +8

Topological insulators are characterized by an insulating bulk with a finite band gap and conducting edge or surface states, where charge carriers are protected against backscatter…

math.PR2011★ 1 cited

The Invariant Measure of Homogeneous Markov Processes in The Quarter-Plane: Representation in Geometric Terms

Yanting Chen, Richard J. Boucherie, Jasper Goseling

We consider the invariant measure of a homogeneous continuous- time Markov process in the quarter-plane. The basic solutions of the global balance equation are the geometric distri…

physics.flu-dyn2011

Highly focused supersonic microjets

Yoshiyuki Tagawa, Nikolai Oudalov, Claas Willem Visser +5

The paper describes the production of thin, focused microjets with velocities up to 850 m/s by the rapid vaporization of a small mass of liquid in an open liquid-filled capillary.…

physics.flu-dyn2011★ 30 cited

Spatial distribution of heat flux and fluctuations in turbulent Rayleigh-Bénard convection

Rajaram Lakkaraju, Richard. J. A. M. Stevens, Roberto Verzicco +4

We numerically investigate the radial dependence of the velocity and temperature fluctuations and of the time-averaged heat flux in a cylindrical Rayleigh-Bénard cell…

physics.flu-dyn2011★ 22 cited

Breakdown of the large-scale wind in Γ=1/2 rotating Rayleigh-Bénard flow

Richard J. A. M. Stevens, Herman J. H. Clercx, Detlef Lohse

Experiments and simulations of rotating Rayleigh-Bénard convection in cylindrical samples have revealed an increase in heat transport with increasing rotation rate. This heat trans…

physics.flu-dyn2011★ 54 cited

Angular momentum transport and turbulence in laboratory models of Keplerian flows

M. S. Paoletti, Dennis P. M. van Gils, B. Dubrulle +3

We present angular momentum transport (torque) measurements in two recent experimental studies of the turbulent flow between independently rotating cylinders. In addition to these…

cond-mat.supr-con2011★ 92 cited

Long range spin supercurrents in ferromagnetic CrO using a multilayer contact structure

M. S. Anwar, M. Veldhorst, A. Brinkman +1

e report measurements of long ranged supercurrents through ferromagnetic and fully spin-polarized CrO deposited on TiO substrates. In earlier work, we found supercurrents i…

cond-mat.mtrl-sci2011

Conductivity of LaAlO/SrTiO3 Interfaces made by Sputter Deposition

I. M. Dildar, D. B. Boltje, M. H. S. Hesselberth +3

We have investigated the properties of interfaces between LaAlO3 films grown on SrTiO3 substrates singly terminated by TiO2. We used RF sputtering in a high-pressure oxygen atmosph…

cs.SE2011★ 2 cited

Saying Hello World with GROOVE - A Solution to the TTC 2011 Instructive Case

Amir Hossein Ghamarian, Maarten de Mol, Arend Rensink +1

This report presents a solution to the Hello World case study of TTC 2011 using GROOVE. We provide and explain the grammar that we used to solve the case study. Every requested que…

cs.SE2011★ 1 cited

Solving the TTC 2011 Compiler Optimization Case with GROOVE

Arend Rensink, Eduardo Zambon

This report presents a partial solution to the Compiler Optimization case study using GROOVE. We explain how the input graphs provided with the case study were adapted into a GROOV…

physics.optics2011★ 18 cited

Non-Imaging Speckle Interferometry forHigh Speed Nanometer-Scale Position Detection

E. G. van Putten, A. Lagendijk, A. P. Mosk

We experimentally demonstrate a non-imaging approach to displacement measurement for complex scattering materials. By spatially controlling the wave front of the light that inciden…

physics.flu-dyn2011★ 186 cited

Direct measurements of air layer profiles under impacting droplets using high-speed color interferometry

Roeland C. A. van der Veen, Tuan Tran, Detlef Lohse +1

A drop impacting on a solid surface deforms before the liquid makes contact with the surface. We directly measure the time evolution of the air layer profile under the droplet usin…

cond-mat.mtrl-sci2011★ 128 cited

Electrostatic doping of graphene through ultrathin hexagonal boron nitride films

Menno Bokdam, Petr A. Khomyakov, Geert Brocks +2

When combined with graphene, hexagonal boron nitride (h-BN) is an ideal substrate and gate dielectric with which to build metalh-BN|graphene field-effect devices. We use first-prin…

physics.flu-dyn2011★ 514 cited

Drop impact on superheated surfaces

Tuan Tran, Hendrik J. J. Staat, Andrea Prosperetti +2

At impact of a liquid droplet on a smooth surface heated above the liquid's boiling point, the droplet either immediately boils when it contacts the surfaces (``contact boiling''),…

cs.LO2011★ 12 cited

Variations on Multi-Core Nested Depth-First Search

Alfons Laarman, Jaco van de Pol

Recently, two new parallel algorithms for on-the-fly model checking of LTL properties were presented at the same conference: Automated Technology for Verification and Analysis, 201…

physics.flu-dyn2011★ 99 cited

The importance of bubble deformability for strong drag reduction in bubbly turbulent Taylor-Couette flow

Dennis P. M. van Gils, Daniela Narezo Guzman, Chao Sun +1

Bubbly turbulent Taylor-Couette (TC) flow is globally and locally studied at Reynolds numbers of Re = 5 x 10^5 to 2 x 10^6 with a stationary outer cylinder and a mean bubble diamet…

physics.flu-dyn2011★ 68 cited

Stokes flow near the contact line of an evaporating drop

Hanneke Gelderblom, Oscar Bloemen, Jacco H. Snoeijer

The evaporation of sessile drops in quiescent air is usually governed by vapour diffusion. For contact angles below , the evaporative flux from the droplet tends to diver…

physics.flu-dyn2011★ 89 cited

Optimal Taylor-Couette turbulence

Dennis P. M. van Gils, Sander G. Huisman, Siegfried Grossmann +2

Strongly turbulent Taylor-Couette flow with independently rotating inner and outer cylinders with a radius ratio of η= 0.716 is experimentally studied. From global torque measureme…

physics.flu-dyn2011★ 101 cited

Ultimate Turbulent Taylor-Couette Flow

Sander G. Huisman, Dennis P. M. van Gils, Siegfried Grossmann +2

The flow structure of strongly turbulent Taylor-Couette flow with Reynolds numbers up to Re_i = 2*10^6 of the inner cylinder is experimentally examined with high-speed particle ima…

physics.flu-dyn2011

Maximum speed of dewetting on a fiber

Tak Shing Chan, Thomas Gueudré, Jacco H. Snoeijer

A solid object can be coated by a nonwetting liquid since a receding contact line cannot exceed a critical speed. We theoretically investigate this forced wetting transition for ax…