334 citations · 1.8k across the 25 of their papers we have counts for
26 papers
Reducing the metal-graphene contact resistance through laser-induced defects
Vikas Jangra, Satender Kataria, Max C. Lemme
Graphene has been extensively studied for a variety of electronic and optoelectronic applications. The reported contact resistance between metal and graphene, or rather its specifi…
Resistive Switching and Current Conduction Mechanisms in Hexagonal Boron Nitride Threshold Memristors with Nickel Electrodes
Lukas Völkel, Dennis Braun, Melkamu Belete +8
The two-dimensional (2D) insulating material hexagonal boron nitride (h BN) has attracted much attention as the active medium in memristive devices due to its favorable physical pr…
Enhanced intrinsic voltage gain in artificially stacked bilayer CVD graphene field effect transistors
Himadri Pandey, Jorge Daniel Aguirre Morales, Satender Kataria +6
We report on electronic transport in dual-gate, artificially stacked bilayer graphene field effect transistors (BiGFETs) fabricated from large-area chemical vapor deposited (CVD) g…
Contact Resistance Study of Various Metal Electrodes with CVD Graphene
Amit Gahoi, Stefan Wagner, Andreas Bablich +3
In this study, the contact resistance of various metals to chemical vapour deposited (CVD) monolayer graphene is investigated. Transfer length method (TLM) structures with varying…
Assessment of wafer-level transfer techniques of graphene with respect to semiconductor industry requirements
Sebastian Wittmann, Stephan Pindl, Simon Sawallich +6
Graphene is a promising candidate for future electronic applications. Manufacturing graphene-based electronic devices typically requires graphene transfer from its growth substrate…
Role of substrate surface morphology on the performance of graphene inks for flexible electronics
Jasper Ruhkopf, Simon Sawallich, Michael Nagel +6
Two-dimensional (2D) materials, such as graphene, are seen as potential candidates for fabricating electronic devices and circuits on flexible substrates. Inks or dispersions of 2D…
Correlating Nanocrystalline Structure with Electronic Properties in 2D Platinum Diselenide
Sebastian Lukas, Oliver Hartwig, Maximilian Prechtl +8
Platinum diselenide (PtSe) is a two-dimensional (2D) material with outstanding electronic and piezoresistive properties. The material can be grown at low temperatures in a sc…
Chemical vapor deposited graphene: From synthesis to applications
Satender Kataria, Stefan Wagner, Jasper Ruhkopf +7
Graphene is a material with enormous potential for numerous applications. Therefore, significant efforts are dedicated to large-scale graphene production using a chemical vapor dep…
Graphene in 2D/3D Heterostructure Diodes for High Performance Electronics and Optoelectronics
Zhenxing Wang, Andreas Hemmetter, Burkay Uzlu +6
Diodes made of heterostructures of the 2D material graphene and conventional 3D materials are reviewed in this manuscript. Several applications in high frequency electronics and op…
Dependable contact related parameter extraction in graphene-metal junctions
Amit Gahoi, Satender Kataria, Francesco Driussi +5
The accurate extraction and the reliable, repeatable reduction of graphene - metal contact resistance (R) are still open issues in graphene technology. Here, we demonstrate t…
Capacitance-Voltage (C-V) Characterization of Graphene-Silicon Heterojunction Photodiodes
Sarah Riazimehr, Melkamu Belete, Satender Kataria +2
Heterostructures of two-dimensional (2D) and three-dimensional (3D) materials form efficient devices for utilizing the properties of both classes of materials. Graphene/silicon (G/…
Electron Transport across Vertical Silicon / MoS / Graphene Heterostructures: Towards Efficient Emitter Diodes for Graphene-Base Hot Electron Transistors
Melkamu Belete, Olof Engström, Sam Vaziri +4
Heterostructures comprising of silicon (Si), molybdenum disulfide (MoS) and graphene are investigated with respect to the vertical current conduction mechanism. The measured…
Nonvolatile Resistive Switching in Nanocrystalline Molybdenum Disulfide with Ion-Based Plasticity
Melkamu Belete, Satender Kataria, Aykut Turfanda +4
Non-volatile resistive switching is demonstrated in memristors with nanocrystalline molybdenum disulfide (MoS) as the active material. The vertical heterostructures consist of…
Few-Layer MoS/a-Si:H Heterojunction pin-Photodiodes for extended Infrared Detection
Andreas Bablich, Daniel S. Schneider, Paul Kienitz +11
Few-layer molybdenum disulfide (FL-MoS) films have been integrated into amorphous silicon (a-Si:H) pin photodetectors. To achieve this, vertical a-Si:H photodiodes were grown b…
Monolithically Integrated Perovskite Semiconductor Lasers on Silicon Photonic Chips by Scalable Top-Down Fabrication
Piotr J Cegielski, Anna Lena Giesecke, Stefanie Neutzner +11
Metal-halide perovskites are promising lasing materials for realization of monolithically integrated laser sources, the key components of silicon photonic integrated circuits (PICs…
All CVD Boron Nitride Encapsulated Graphene FETs with CMOS Compatible Metal Edge Contacts
Himadri Pandey, Mehrdad Shaygan, Simon Sawallich +8
We report on the fabrication and characterization of field effect transistors (FETs) based on chemical vapor deposited (CVD) graphene encapsulated between few layer CVD boron nitri…
Dielectric Properties and Ion Transport in Layered MoS_{2} Grown by Vapor-Phase Sulfurization
M. Belete, S. Kataria, U. Koch +5
Electronic and dielectric properties of vapor-phase grown MoS_{2} have been investigated in metal/MoS_{2}/silicon capacitor structures by capacitance-voltage and conductancevoltage…
High Responsivity and Quantum Efficiency of Graphene / Silicon Photodiodes Achieved by Interdigitating Schottky and Gated Regions
Sarah Riazimehr, Satender Kataria, Jose-Maria González-Medina +6
Graphene / silicon (G/Si) heterostructures have been studied extensively in the past years for applications such as photodiodes, photodetectors and solar cells, with a growing focu…
Highly sensitive electromechanical piezoresistive pressure sensors based on large-area layered PtSe films
Stefan Wagner, Chanyoung Yim, Niall McEvoy +8
Two-dimensional (2D) layered materials are ideal for micro- and nanoelectromechanical systems (MEMS/NEMS) due to their ultimate thinness. Platinum diselenide (PtSe), an excit…
Growth-Induced Strain in Chemical Vapor Deposited Monolayer MoS2: Experimental and Theoretical Investigation
Satender Kataria, Stefan Wagner, Teresa Cusati +5
Monolayer molybdenum disulphide (MoS) is a promising two-dimensional (2D) material for nanoelectronic and optoelectronic applications. The large-area growth of MoS has been…
Non-invasive Scanning Raman Spectroscopy and Tomography for Graphene Membrane Characterization
Stefan Wagner, Thomas Dieing, Alba Centeno +5
Graphene has extraordinary mechanical and electronic properties, making it a promising material for membrane based nanoelectromechanical systems (NEMS). Here, chemical-vapor-deposi…
High Photocurrent in Gated Graphene-Silicon Hybrid Photodiodes
Sarah Riazimehr, Satender Kataria, Rainer Bornemann +5
Graphene/silicon (G/Si) heterojunction based devices have been demonstrated as high responsivity photodetectors that are potentially compatible with semiconductor technology. Such…
Carrier mediated reduction of stiffness in nanoindented crystalline Si(100)
S. Kataria, Sandip Dhara, S. Dash +1
We report the observation of carrier mediated decrease in the stiffness of crystalline (c)-Si(100) under nanoindentation. The apparent elastic modulii of heavily dopes (1E21 cm-3)…
Resistive Graphene Humidity Sensors with Rapid and Direct Electrical Readout
Anderson David Smith, Karim Elgammal, Frank Niklaus +11
We demonstrate humidity sensing using a change of electrical resistance of a single- layer chemical vapor deposited (CVD) graphene that is placed on top of a SiO2 layer on a Si waf…