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We present an experimental and theoretical study of a magnetic single-molecule transistor based on N@C60 connected to gold electrodes. Particular attention is paid to the regime of intermediate molecule-lead coupling, where cotunneling…

Mesoscale and Nanoscale Physics · Physics 2015-05-27 Nicolas Roch , Romain Vincent , Florian Elste , Wolfgang Harneit , Wolfgang Wernsdorfer , Carsten Timm , Franck Balestro

We report on the increased extraction of light emitted by solid-state sources embedded within high refractive index materials. This is achieved by making use of a local lensing effect by sub-micron metallic rings deposited on the sample…

Optics · Physics 2017-07-27 Oliver J. Trojak , Suk In Park , Jin Dong Song , Luca Sapienza

We synthesized monodisperse cobalt-platinum nanoparticles Co(0.14-0.22)Pt(0.86-0.78) of 9 nm in diameter by colloidal chemistry methods and deposited them by the Langmuir-Blodgett technique as highly ordered monolayers onto substrates with…

Materials Science · Physics 2015-07-20 Yuxue Cai , Denis Wolfkuhler , Anton Myalitsin , Jan Perlich , Andreas Meyer , Christian Klinke

Electron tunneling through a single magnetic barrier in a HgTe topological insulator has been theoretically investigated. We find that the perpendicular magnetic field would not lead to spin-flip of the edge states due to the conservation…

Mesoscale and Nanoscale Physics · Physics 2016-07-21 L. Lin , X. Wu , W. Low , D. Zhang , Zhenhua Wu

A reliable process has been developed for the fabrication of all-Nb single-electron circuits, based on spin-on glass planarization. The process steps are the in situ growth of Nb/AlOx/Nb sandwich, definition of the patterns of junctions,…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 Alexey B. Pavolotsky , Thomas Weimann , Hansjoerg Scherer , Vladimir A. Krupenin , Juergen Niemeyer , Alexander B. Zorin

We report on a method to fabricate and measure gateable molecular junctions which are stable at room temperature. The devices are made by depositing molecules inside a few-layer graphene nanogap, formed by feedback controlled…

A summary is given of a talk on the physics and technology of hybrid metallic nanostructures, with a view to metallic nanoelectronics. In the beginning of the talk it was noted that the majority of the presentations at the conference were…

Mesoscale and Nanoscale Physics · Physics 2009-10-08 V. T. Petrashov

We Have developed the concept of a new kind of single-electron transistor in which the transport of the electron through a quantum wire is controlled by charged quantum rings. Using a 2D harmonic potential as the transverse constraint, we…

Mesoscale and Nanoscale Physics · Physics 2016-10-24 Ali Hosseinzadeh , Shahpoor Saeidian

Electrons floating on the surface of superfluid helium have been suggested as promising mobile spin quantum bits (qubits). Transferring electrons extremely efficiently in a narrow channel structure with underlying gates has been…

Mesoscale and Nanoscale Physics · Physics 2015-06-23 Maika Takita , S. A. Lyon

Deep subwavelength integration of high-definition plasmonic nanostructures is of key importance for the development of future optical nanocircuitry for high-speed communication, quantum computation and lab-on-a-chip applications. So far the…

Wigner crystals are typically confined to ultralow temperatures where thermal motion is frozen out. Moir\'e superlattices in twisted two-dimensional materials have extended their stability to higher temperatures and densities, but rely on…

The fabrication of metallic single-walled carbon nanotube electrodes separated by gaps of typically 20nm width by electron-beam-induced oxidation is studied within an active device configuration. The tube conductance is measured…

We demonstrate that electronic transport through single molecules or molecular ensembles, commonly based on gold (Au) electrodes, can be extended to superconducting electrodes by combining gold with molybdenum-rhenium (MoRe). This…

Mesoscale and Nanoscale Physics · Physics 2015-07-23 R. Gaudenzi , J. O. Island , J. de Bruijckere , E. Burzuri , T. M. Klapwijk , H. S. J. van der Zant

Here we demonstrate that water-infiltrated nanoporous glass electrically switches an oxide semiconductor from an insulator to metal. We fabricated the field effect transistor structure on an oxide semiconductor, SrTiO3, using…

Materials Science · Physics 2010-11-18 Hiromichi Ohta , Yukio Sato , Takeharu Kato , SungWng Kim , Kenji Nomura , Yuichi Ikuhara , Hideo Hosono

We describe a method to fabricate clean suspended single-wall carbon nanotube (SWCNT) transistors hosting a single quantum dot ranging in length from a few 10s of nm down to $\approx$ 3 nm. We first align narrow gold bow-tie junctions on…

Mesoscale and Nanoscale Physics · Physics 2012-08-15 J. O. Island , V. Tayari , S. Yigen , A. C. McRae , A. R. Champagne

The electronic properties of interfaces between two different solids can differ strikingly from those of the constituent materials. For instance, metallic conductivity, and even superconductivity, have been recently discovered at interfaces…

Materials Science · Physics 2009-11-13 H. Dias Alves , A. S. Molinari , H. Xie , A. F. Morpurgo

Deep submicron Al-AlOx-Nb tunnel junctions and single electron transistors with niobium islands were fabricated by electron beam gun shadow evaporation. Using stencil masks consisting of the thermostable polymer polyethersulfone (PES) and…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 R. Dolata , H. Scherer , A. B. Zorin , J. Niemeyer

Live cell imaging using metallic nanoparticles as tags is an emerging technique to visualize long and highly dynamic processes due to the lack of photobleaching and high photon rate. However, the lack of excited states as compared to…

Mesoscale and Nanoscale Physics · Physics 2011-01-12 H. E. Grecco , O. E. Martínez

We show that scanning gate microscopy can be used for probing electron-electron interactions inside a nanostructure. We assume a simple model made of two non-interacting strips attached to an interacting nanosystem. In one of the strips,…

Mesoscale and Nanoscale Physics · Physics 2008-10-07 Axel Freyn , Ioannis Kleftogiannis , Jean-Louis Pichard

Quantum confined devices of three-dimensional topological insulators have been proposed to be promising and of great importance for studies of confined topological states and for applications in low energy-dissipative spintronics and…

Mesoscale and Nanoscale Physics · Physics 2019-09-09 Yumei Jing , Shaoyun Huang , Jinxiong Wu , Mengmeng Meng , Xiaobo Li , Yu Zhou , Hailin Peng , H. Q. Xu
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