Marko Burghard

Publications associées (55)

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The classical and quantum dynamics of molecular spins on graphene

Klaus Kern, Marko Burghard, Stephan Rauschenbach

Controlling the dynamics of spins on surfaces is pivotal to the design of spintronic(1) and quantum computing(2) devices. Proposed schemes involve the interaction of spins with graphene to enable surface-state spintronics(3,4) and electrical spin manipulat ...

Nature Publishing Group2016

Thin-layer black phosphorus/GaAs heterojunction p-n diodes (vol 106, 233110, 2015)

Klaus Kern, Marko Burghard, Pascal Gehring

Amer Inst Physics2015

Sub-Terahertz Frequency-Domain Spectroscopy Reveals Single-Grain Mobility and Scatter Influence of Large-Area Graphene

Klaus Kern, Marko Burghard, Alexander Ronald Hoyer

The response of individual domains in wafer-sized chemical vapor deposition graphene is measured by contactless sub-terahertz interferometry, observing the intrinsic optical conductance and reaching very high mobility values. It is shown that charged scatt ...

Wiley-V C H Verlag Gmbh2015

Dimensional crossover in the quantum transport behaviour of the natural topological insulator Aleksite

Klaus Kern, Marko Burghard, Pascal Gehring, Alexander Ronald Hoyer, Kristina Vaklinova

Three-dimensional topological insulators comprise topologically protected surface states displaying massless, Dirac-like linear dispersion with spin-momentum locking. Electrical conduction through such surface states has been documented to manifest itself ...

Nature Publishing Group2015

Thin-layer black phosphorous/GaAs heterojunction p-n diodes

Klaus Kern, Marko Burghard, Pascal Gehring

Owing to its high carrier mobility and thickness-tunable direct band gap, black phosphorous emerges as a promising component of optoelectronic devices. Here, we evaluate the device characteristics of p-n heterojunction diodes wherein thin black phosphorous ...

Amer Inst Physics2015

Tuning the deposition of molecular graphene nanoribbons by surface functionalization

Klaus Kern, Marko Burghard, Alexander Ronald Hoyer

We show that individual, isolated graphene nanoribbons, created with a molecular synthetic approach, can be assembled on functionalised wafer surfaces treated with silanes. The use of surface groups with different hydrophobicities allows tuning the density ...

Royal Soc Chemistry2015

Scaling in the quantum Hall regime of graphene Corbino devices

Klaus Kern, Marko Burghard, Eva Carmen Peters

The scaling behavior of graphene devices in Corbino geometry was investigated through temperature dependent conductivity measurements under magnetic field. Evaluation of the Landau level width as a function of temperature yielded a relatively low temperatu ...

Amer Inst Physics2014

Chemical Modification of Graphene via Hyperthermal Molecular Reaction

Klaus Kern, Marko Burghard, Stephan Rauschenbach, Sabine Abb, Gordon Rinke

Chemical functionalization of graphene is achieved by hyperthermal reaction with azopyridine molecular ions. The one-step, room temperature process takes place in high vacuum (10(7) mbar) using an electrospray ion beam deposition (ES-IBD) setup. For ion su ...

Amer Chemical Soc2014

Evaluation of the toxicity of graphene derivatives on cells of the lung luminal surface

László Forró, Klaus Kern, Arnaud Magrez, Lenke Horváth, Marko Burghard, Beat Schwaller

Graphene-based nanomaterials are expected to have a profound impact on a broad range of applications. However, studies devoted to investigating the putative adverse health effects of these nanomaterials are hugely underrepresented in the current scientific ...

Pergamon-Elsevier Science Ltd2013

Spatially resolved photocurrents in graphene nanoribbon devices

Klaus Kern, Marko Burghard, Stephan Rauschenbach, Kannan Balasubramanian, Adarsh Singh Sagar, Thomas Dufaux

We present here a scanning photocurrent microscopy study of individual graphene nanoribbons, revealing pronounced photocurrent responses close to the nanoribbon/metal contacts. The magnitude of the corresponding photocurrent signal was found to be directly ...

Amer Inst Physics2013

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