Search Results - "Pauc, N."
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1
Lasing in strained germanium microbridges
Published in Nature communications (20-06-2019)“…Germanium has long been regarded as a promising laser material for silicon based opto-electronics. It is CMOS-compatible and has a favourable band structure,…”
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2
Room temperature optically pumped GeSn microdisk lasers
Published in Applied physics letters (31-01-2022)“…GeSn alloys are promising materials for light emitters monolithically grown on silicon. In this work, we demonstrate room temperature (RT) lasing in a GeSn…”
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3
Optically pumped GeSn micro-disks with 16% Sn lasing at 3.1 μm up to 180 K
Published in Applied physics letters (28-08-2017)“…Recent demonstrations of optically pumped lasers based on GeSn alloys put forward the prospect of efficient laser sources monolithically integrated on a Si…”
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4
Impact of thickness on the structural properties of high tin content GeSn layers
Published in Journal of crystal growth (01-09-2017)“…•Reduced Pressure Chemical Vapor Deposition of GeSn alloys.•Thick GeSn layers with very high Sn concentrations.•Impact of thickness on the structural and…”
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5
Raman spectral shift versus strain and composition in GeSn layers with 6%–15% Sn content
Published in Applied physics letters (13-03-2017)“…GeSn alloys are the subject of intense research activities as these group IV semiconductors present direct bandgap behaviors for high Sn contents. Today, the…”
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6
Supportless Platinum Nanotubes Array by Atomic Layer Deposition as PEM Fuel Cell Electrode
Published in Electrochimica acta (10-04-2014)“…[Display omitted] •A simple process for the fabrication of Pt nanotubes arrays has been developed.•The nanotubes array is stuck on a Nafion membrane and is…”
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7
Up to 300 K lasing with GeSn-On-Insulator microdisk resonators
Published in Optics express (31-01-2022)“…GeSn alloys are the most promising direct band gap semiconductors to demonstrate full CMOS-compatible laser integration with a manufacturing from Group-IV…”
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8
Effect of HCl on the doping and shape control of silicon nanowires
Published in Nanotechnology (01-06-2012)“…The introduction of hydrogen chloride during the in situ doping of silicon nanowires (SiNWs) grown using the vapor-liquid-solid (VLS) mechanism was…”
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9
Vertically Aligned Platinum Copper Nanotubes as PEM Fuel Cell Cathode: Elaboration and Fuel Cell Test
Published in Fuel cells (Weinheim an der Bergstrasse, Germany) (01-12-2018)“…This paper describes the elaboration via an electrochemistry route of a PEM carbon‐free cathode made of a periodic array of vertically aligned platinum copper…”
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10
1.9% bi-axial tensile strain in thick germanium suspended membranes fabricated in optical germanium-on-insulator substrates for laser applications
Published in Applied physics letters (09-11-2015)“…High tensile strains in Ge are currently studied for the development of integrated laser sources on Si. In this work, we developed specific…”
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11
2D hexagonal photonic crystal GeSn laser with 16% Sn content
Published in Applied physics letters (30-07-2018)“…We demonstrate lasing in an optically pumped GeSn photonic crystal membrane with 16% of Sn. A guided band-edge mode lased up to 60 K. A good agreement was…”
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12
Gamma bandgap determination in pseudomorphic GeSn layers grown on Ge with up to 15% Sn content
Published in Applied physics letters (12-12-2016)“…Adding Tin (Sn) to Germanium (Ge) can turn it into a direct bandgap group IV semiconductor emitting in the mid-infrared wavelength range. Several approaches…”
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13
Germanium based photonic components toward a full silicon/germanium photonic platform
Published in Progress in crystal growth and characterization of materials (01-06-2017)“…Lately, germanium based materials attract a lot of interest as they can overcome some limits inherent to standard Silicon Photonics devices and can be used…”
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14
Impact of the growth strategy and device fabrication on the alloy homogeneity in optoelectronic grade Sn-rich GeSn
Published in Materials science & engineering. B, Solid-state materials for advanced technology (01-02-2021)“…[Display omitted] •Homogeneous Sn distribution in GeSn micro-disks with very high Sn concentration.•SiGeSn buffer allows perfect GeSn micro-disks by providing…”
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15
Surface Recombination Velocity Measurements of Efficiently Passivated Gold-Catalyzed Silicon Nanowires by a New Optical Method
Published in Nano letters (14-07-2010)“…The past decade has seen the explosion of experimental results on nanowires grown by catalyzed mechanisms. However, few are known on their electronic…”
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16
Tuning silicon nanowires doping level and morphology for highly efficient micro-supercapacitors
Published in Nano energy (01-04-2014)“…Silicon nanowires (SiNWs) are grown by Chemical Vapor Deposition on highly doped silicon wafer via localized gold catalysis with monitored length, diameter,…”
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17
Accurate strain measurements in highly strained Ge microbridges
Published in Applied physics letters (13-06-2016)“…Ge under high strain is predicted to become a direct bandgap semiconductor. Very large deformations can be introduced using microbridge devices. However, at…”
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18
Study of the light emission in Ge layers and strained membranes on Si substrates
Published in Thin solid films (01-08-2016)“…The influence of pattern design and tensile strain on light emission was investigated in Ge layers and suspended membranes. The optical properties were…”
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19
Structural and electronic properties of in-situ phosphorous-doped Ge layers grown by reduced pressure-chemical vapour deposition
Published in Thin solid films (01-03-2016)“…We have quantified the impact of the PH3 mass-flow and the H2 annealing scheme on the structural and optical properties of thin and thick Ge:P layers grown at…”
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20
Direct Quantification of Gold along a Single Si Nanowire
Published in Nano letters (01-11-2008)“…The presence of gold on the sidewall of a tapered, single silicon nanowire is directly quantified from core-level nanospectra using energy-filtered…”
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