Marc Tornow
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View article: Development of TiN/AlN-based superconducting qubit components
Development of TiN/AlN-based superconducting qubit components Open
This paper presents the fabrication and characterization of superconducting qubit components from titanium nitride (TiN) and aluminum nitride (AlN) layers to create Josephson junctions and superconducting resonators in an all-nitride archi…
View article: Tantalum thin films sputtered on silicon and on different seed layers: material characterization and coplanar waveguide resonator performance
Tantalum thin films sputtered on silicon and on different seed layers: material characterization and coplanar waveguide resonator performance Open
Superconducting qubits are a promising platform for large-scale quantum computing. Besides the Josephson junction, most parts of a superconducting qubit are made of planar, patterned superconducting thin films. In the past, most qubit arch…
View article: Mono‐Exponential Current Attenuation with Distance Across 16 nm Thick Bacteriorhodopsin Multilayers
Mono‐Exponential Current Attenuation with Distance Across 16 nm Thick Bacteriorhodopsin Multilayers Open
The remarkable ability of natural proteins to conduct electricity in the dry state over long distances remains largely inexplicable despite intensive research. In some cases, a (weakly) exponential length‐attenuation, as in off‐resonant tu…
View article: Current rectification via Photosystem I monolayers induced by their orientation on hydrophilic self-assembled monolayers on titanium nitride
Current rectification via Photosystem I monolayers induced by their orientation on hydrophilic self-assembled monolayers on titanium nitride Open
Photosystem I (PSI) is a photosynthetic protein which evolved to efficiently transfer electrons through the thylakoid membrane. This remarkable process attracted the attention of the biomolecular electronics community, which aims to study …
View article: Mono-exponential Current Attenuation with Distance across 16 nm Thick Bacteriorhodopsin Multilayers
Mono-exponential Current Attenuation with Distance across 16 nm Thick Bacteriorhodopsin Multilayers Open
The remarkable ability of natural proteins to conduct electricity in the dry state over long distances remains largely inexplicable despite intensive research. In some cases, a (weakly) exponential length-attenuation, as in off-resonant tu…
View article: Current Rectification Via Photosystem I Monolayers Induced by Their Orientation on Hydrophilic Self-Assembled Monolayers on Titanium Nitride
Current Rectification Via Photosystem I Monolayers Induced by Their Orientation on Hydrophilic Self-Assembled Monolayers on Titanium Nitride Open
Photosystem I (PSI) is a photosynthetic protein which evolved to efficiently transfer electrons through the thylakoid membrane. This remarkable process attracted the attention of the biomolecular electronics community, which aims to study …
View article: Restricting Conformational Space: A New Blueprint for Electrically Switchable Self‐Assembled Monolayers
Restricting Conformational Space: A New Blueprint for Electrically Switchable Self‐Assembled Monolayers Open
Tunnel junctions comprising self‐assembled monolayers (SAMs) from liquid crystal‐inspired molecules show a pronounced hysteretic current–voltage response, due to electric field‐driven dipole reorientation in the SAM. This renders these jun…
View article: Conductive filament distribution in nano-scale electrochemical metallization cells
Conductive filament distribution in nano-scale electrochemical metallization cells Open
Electrochemical metallization (ECM) cells comprising 100 nm sized silver cubes as active electrode reveal a distinct distribution of formed filaments close to the nanocube edges due to local electric field enhancement effects.
View article: Near-Temperature-Independent Electron Transport Well beyond Expected Quantum Tunneling Range via Bacteriorhodopsin Multilayers
Near-Temperature-Independent Electron Transport Well beyond Expected Quantum Tunneling Range via Bacteriorhodopsin Multilayers Open
A key conundrum of biomolecular electronics is efficient electron transport (ETp) through solid-state junctions up to 10 nm, often without temperature activation. Such behavior challenges known charge transport mechanisms, especially via n…
View article: Conductance Switching in Liquid Crystal-Inspired Self-Assembled Monolayer Junctions
Conductance Switching in Liquid Crystal-Inspired Self-Assembled Monolayer Junctions Open
We present the prototype of a ferroelectric tunnel junction (FTJ), which is based on a self-assembled monolayer (SAM) of small, functional molecules. These molecules have a structure similar to those of liquid crystals, and they are embedd…
View article: Space charge-limited current transport in thin films of alkyl-functionalized silicon nanocrystals
Space charge-limited current transport in thin films of alkyl-functionalized silicon nanocrystals Open
We describe the fabrication and electrical characterization of all-silicon electrode devices to study the electronic properties of thin films of silicon nanocrystals (SiNCs). Planar, highly doped Si electrodes with contact separation of 20…
View article: One-step transfer printing of patterned nanogap electrodes
One-step transfer printing of patterned nanogap electrodes Open
Direct printing of nanogap-separated metallic contact pairs is described that enables novel nanoelectronic device architectures. Nanotransfer printing (nTP) stamps are grown by molecular beam epitaxy involving layered III-V semiconductors …
View article: Role of Different Receptor-Surface Binding Modes in the Morphological and Electrochemical Properties of Peptide-Nucleic-Acid-Based Sensing Platforms
Role of Different Receptor-Surface Binding Modes in the Morphological and Electrochemical Properties of Peptide-Nucleic-Acid-Based Sensing Platforms Open
Label-free detection of charged biomolecules, such as DNA, has experienced an increase in research activity in recent years, mainly to obviate the need for elaborate and expensive pretreatments for labeling target biomolecules. A promising…
View article: Selective etching of InP in InAs/InP nanowires resulting in 11 nm nanogaps
Selective etching of InP in InAs/InP nanowires resulting in 11 nm nanogaps Open
We demonstrate a wet chemical method to selectively etch InP segments within InAs/InP heterostructure nanowires based on a photo-assisted HAc/HBr solution etching process. We successfully etched InP segments ranging from 60 nm down to abou…
View article: High-yield metal transfer printing on alkyl bis-phosphonate monolayers
High-yield metal transfer printing on alkyl bis-phosphonate monolayers Open
The successful transfer printing of thin metal films onto monolayers of aliphatic bisphosphonic acids (bisPAs) is reported. These monolayers were prepared from solution on plasma-grown aluminum oxide, and were compared with analogous monol…
View article: Horizontal γ-PNA immobilization through organophosphonate chemistry for biosensing applications
Horizontal γ-PNA immobilization through organophosphonate chemistry for biosensing applications Open
Silicon-based field effect devices have been widely investigated in recent years for the label-free detection of DNA hybridization. The devices rely on detecting changes in the electrical surface potential that occur as a result of adsorbi…