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High current density electrical breakdown of TiS3 nanoribbon-based field-effect transistors
Aday J. Molina-Mendoza, Joshua O. Island, Wendel S. Paz +11
The high field transport characteristics of nanostructured transistors based on layered materials are not only important from a device physics perspective but also for possible app…
Transport mirages in single-molecule devices
Rocco Gaudenzi, Maciej Misiorny, Enrique Burzurí +2
Molecular systems can exhibit a complex, chemically tailorable inner structure which allows for targeting of specific mechanical, electronic and optical properties. At the single-m…
Spin excitations in an all-organic double quantum dot molecule
Max Koole, Jan C. Hummelen, Herre S. J. van der Zant
We realize a strongly coupled double quantum dot in a single all-organic molecule by introducing a non-conjugated bridge in between two identical conjugated moieties. Spin-1/2 Kond…
Phase-transitions in spin-crossover thin films probed by graphene transport measurements
J. Dugay, M. Aarts, M. Giménez-Marqués +4
Future multi-functional hybrid devices might combine switchable molecules and 2D material-based devices. Spin-crossover compounds are of particular interest in this context since t…
Charge Transport through Conjugated Azomethine-based Single Molecules for Optoelectronic Applications
Max Koole, Riccardo Frisenda, Michiel L. Petrus +3
The single-molecule conductance of a 3-ring, conjugated azomethine was studied using the mechanically controlled breakjunction technique. Charge transport properties are found to b…
Gate controlled photocurrent generation mechanisms in high-gain In2Se3 phototransistors
Joshua O. Island, Sofya I. Blanter, Michele Buscema +2
Photocurrent in photodetectors incorporating van der Waals materials is typically produced by a combination of photocurrent generation mechanisms that occur simultaneously during o…
Centimeter-scale synthesis of ultrathin layered MoO3 by van der Waals epitaxy
Aday J. Molina-Mendoza, Jose Luis Lado, Joshua Island +12
We report on the large-scale synthesis of highly oriented ultrathin MoO3 layers using a simple and low-cost atmospheric pressure by van der Waals epitaxy growth on muscovite mica s…
Image effects in transport at metal-molecule interfaces
C. J. O. Verzijl, J. A. Celis Gil, M. L. Perrin +3
We present a method for incorporating image-charge effects into the description of charge transport through molecular devices. A simple model allows us to calculate the adjustment…
Temperature dependent Raman spectroscopy of titanium trisulfide (TiS3) nanoribbons and nanosheets
Amit S. Pawbake, Joshua O. Island, Eduardo Flores +7
Titanium trisulfide (TiS3) has recently attracted the interest of the 2D community as it presents a direct bandgap of ~1.0 eV, shows remarkable photoresponse, and has a predicted c…
Control of biaxial strain in single-layer Molybdenite using local thermal expansion of the substrate
G. Plechinger, A. Castellanos-Gomez, M. Buscema +6
Single-layer MoS2 is a direct-gap semiconductor whose electronic band structure strongly depends on the strain applied to its crystal lattice. While uniaxial strain can be easily a…
Superconducting molybdenum-rhenium electrodes for single-molecule transport studies
R. Gaudenzi, J. O. Island, J. de Bruijckere +3
We demonstrate that electronic transport through single molecules or molecular ensembles, commonly based on gold (Au) electrodes, can be extended to superconducting electrodes by c…
Fabrication of hybrid molecular devices using multi-layer graphene break junctions
Joshua O. Island, Anastasia Holovchenko, Max Koole +5
We report on the fabrication of hybrid molecular devices employing multilayer graphene (MLG) flakes which are patterned with a constriction using a helium ion microscope (HIM) or a…
Electron-vibron coupling effects on electron transport via a single-molecule magnet
Alexander McCaskey, Yoh Yamamoto, Michael Warnock +3
We investigate how the electron-vibron coupling influences electron transport via an anisotropic magnetic molecule, such as a single-molecule magnet (SMM) Fe, by using a model…
Photovoltaic and photothermoelectric effect in a double-gated WSe2 device
Dirk J. Groenendijk, Michele Buscema, Gary A. Steele +4
Tungsten diselenide (WSe2), a semiconducting transition metal dichalcogenide (TMDC), shows great potential as active material in optoelectronic devices due to its ambipolarity and…
Mechanics of freely-suspended ultrathin layered materials
Andres Castellanos-Gomez, Vibhor Singh, Herre S. J. van der Zant +1
The study of atomically thin two-dimensional materials is a young and rapidly growing field. In the past years, a great advance in the study of the remarkable electrical and optica…
Probing Transverse Magnetic Anisotropy by Electronic Transport through a Single-Molecule Magnet
M. Misiorny, E. Burzurí, R. Gaudenzi +6
By means of electronic transport, we study the transverse magnetic anisotropy of an individual Fe single-molecule magnet (SMM) embedded in a three-terminal junction. In particu…
Photovoltaic effect in few-layer black phosphorus PN junctions defined by local electrostatic gating
Michele Buscema, Dirk J. Groenendijk, Gary A. Steele +2
The photovoltaic effect is one of the fundamental light-matter interactions in light energy harvesting. In conventional photovoltaic solar cells, the photogenerated charge carriers…
Ultrahigh photoresponse of few-layer TiS3 nanoribbon transistors
Joshua O. Island, Michele Buscema, Mariam Barawi +7
Here, we isolate thin TiS3 ribbons, a layered direct band gap semiconductor (1.1 eV, well suited for detection all across the visible spectrum), thus far almost unexplored. We fabr…
Large tunable image-charge effects in single-molecule junctions
M. L. Perrin, C. J. O. Verzijl, C. A. Martin +7
The characteristics of molecular electronic devices are critically determined by metal-organic interfaces, which influence the arrangement of the orbital levels that participate in…
Fast and broadband photoresponse of few-layer black phosphorus field-effect transistors
Michele Buscema, Dirk J. Groenendijk, Sofya I. Blanter +3
Few-layer black phosphorus, a new elemental 2D material recently isolated by mechanical exfoliation, is a high-mobility layered semiconductor with a direct bandgap that is predicte…
Isolation and characterization of few-layer black phosphorus
Andres Castellanos-Gomez, Leonardo Vicarelli, Elsa Prada +10
Isolation and characterization of mechanically exfoliated black phosphorus flakes with a thickness down to two single-layers is presented. A modification of the mechanical exfoliat…
Deterministic transfer of two-dimensional materials by all-dry viscoelastic stamping
Andres Castellanos-Gomez, Michele Buscema, Rianda Molenaar +4
Deterministic transfer of two-dimensional crystals constitutes a crucial step towards the fabrication of heterostructures based on artificial stacking of two-dimensional materials.…
Long-range Scanning Tunneling Microscope for the study of nanostructures on insulating substrates
Aday Molina-Mendoza, José Gabriel Rodrigo, Joshua Island +4
The Scanning Tunneling Microscope is a powerful tool for studying the electronic properties at the atomic level, however it's relatively small scanning range and the fact that it c…
Submicrosecond-timescale readout of carbon nanotube mechanical motion
H. B. Meerwaldt, S. R. Johnston, H. S. J. van der Zant +1
We report fast readout of the motion of a carbon nanotube mechanical resonator. A close-proximity high electron mobility transistor amplifier is used to increase the bandwidth of t…