Nicolas Reckinger
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View article: Enhanced Gas Detection by Altering Gate Voltage Polarity of Polypyrrole/Graphene Field-Effect Transistor Sensor
Enhanced Gas Detection by Altering Gate Voltage Polarity of Polypyrrole/Graphene Field-Effect Transistor Sensor Open
This work introduces a new measurement methodology for enhancing gas detection by tuning the magnitude and polarity of back-gate voltage of a field-effect transistor (FET)-based sensor. The aim is to simultaneously strengthen the sensor re…
View article: Comparative study of copper oxidation protection with graphene and hexagonal boron nitride
Comparative study of copper oxidation protection with graphene and hexagonal boron nitride Open
The use of protective barriers to isolate a metal surface from an aggressive environment is a common way to inhibit its degradation. We used ambient pressure x-ray photoelectron spectroscopy to assess in real time the evolution of the copp…
View article: Hrtem Characterization Of Erbium Silicide Formed In Ultra-High Vacuum
Hrtem Characterization Of Erbium Silicide Formed In Ultra-High Vacuum Open
Erbium silicide exhibits one of the lowest electrical work function amongst the rareearth (RE) metals already used for low Schottky barrier applications [1]. Therefore, erbium silicide is a very promising material as a silicide source/drai…
View article: Enhanced ultraviolet photoresponse in a graphene-gated ultra-thin Si-based photodiode
Enhanced ultraviolet photoresponse in a graphene-gated ultra-thin Si-based photodiode Open
We present an ultra-thin lateral SOI PIN photodiode with transferred monolayer graphene as the transparent gate, to provide enhanced ultraviolet (UV) performance and mechanical flexibility beyond standard Si-based devices. The device dark …
View article: Restoring self-limited growth of single-layer graphene on copper foil <i>via</i> backside coating
Restoring self-limited growth of single-layer graphene on copper foil <i>via</i> backside coating Open
Backside tungsten coating of copper foils allows for the chemical vapor deposition of exclusively single-layer graphene sheets.
View article: Electronic Detection of Oxygen Adsorption and Size‐Specific Doping of Few‐Atom Gold Clusters on Graphene
Electronic Detection of Oxygen Adsorption and Size‐Specific Doping of Few‐Atom Gold Clusters on Graphene Open
Graphene's sensitivity to adsorbed particles has attracted widespread attention because of its potential sensor applications. Size‐selected few‐atom clusters are promising candidates as adparticles to graphene. Due to their small size, phy…
View article: Toward the use of CVD-grown MoS<sub>2</sub> nanosheets as field-emission source
Toward the use of CVD-grown MoS<sub>2</sub> nanosheets as field-emission source Open
Densely populated edge-terminated vertically aligned two-dimensional MoS 2 nanosheets (NSs) with thicknesses ranging from 5 to 20 nm were directly synthesized on Mo films deposited on SiO 2 by sulfurization. The quality of the obtained NSs…
View article: Modified Brewster angle on conducting 2D materials
Modified Brewster angle on conducting 2D materials Open
Insertion of two-dimensional (2D) materials in optical systems modifies their electrodynamical response. In particular, the Brewster angle undergoes an up-shift if a substrate is covered with a conducting 2D material. This work theoretical…
View article: Determining the number of layers in few‐layer graphene by combining Raman spectroscopy and optical contrast
Determining the number of layers in few‐layer graphene by combining Raman spectroscopy and optical contrast Open
Raman spectroscopy is commonly used to determine the number of layers of few‐layer graphene (FLG) samples. In this work, we focus on the criteria based on the G‐band integrated intensity and on the laser optical contrast. Limitations due t…
View article: Effect of graphene grains size on the microwave electromagnetic shielding effectiveness of graphene/polymer multilayers
Effect of graphene grains size on the microwave electromagnetic shielding effectiveness of graphene/polymer multilayers Open
The influence of chemical vapor deposition (CVD) graphene grain size on the electromagnetic (EM) shielding performance of graphene/polymethyl methacrylate (PMMA) multilayers in Ka-band was studied both experimentally and theoretically. We …
View article: Oxidation-assisted graphene heteroepitaxy on copper foil
Oxidation-assisted graphene heteroepitaxy on copper foil Open
We propose an innovative, easy-to-implement approach to synthesize aligned large-area single-crystalline graphene flakes by chemical vapor deposition on copper foil. This method doubly takes advantage of residual oxygen present in the gas …
View article: Probing Graphene χ<sup>(2)</sup> Using a Gold Photon Sieve
Probing Graphene χ<sup>(2)</sup> Using a Gold Photon Sieve Open
Nonlinear second harmonic optical activity of graphene covering a gold photon sieve was determined for different polarizations. The photon sieve consists of a subwavelength gold nanohole array placed on glass. It combines the benefits of e…
View article: Damage evaluation in graphene underlying atomic layer deposition dielectrics
Damage evaluation in graphene underlying atomic layer deposition dielectrics Open
Based on micro-Raman spectroscopy (μRS) and X-ray photoelectron spectroscopy (XPS), we study the structural damage incurred in monolayer (1L) and few-layer (FL) graphene subjected to atomic-layer deposition of HfO 2 and Al 2 O 3 upon diffe…