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Wide band gap

Exploring new convergences between PV technologies for high efficiency tandem solar cells : Wide band gap epitaxial CIGS top cells on silicon bottom cells with III-V intermediate layers

Exploring new convergences between PV technologies for high efficiency tandem solar cells : Wide band gap epitaxial CIGS top cells on silicon bottom cells with III-V intermediate layers

... Explor- ing new convergences between PV technologies for high efficiency tandem solar cells : Wide band gap epitaxial CIGS top cells on silicon bottom cells with III-V intermediate layers[r] ...

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Comparison between ig Integration and vgs Derivation methods dedicated to fast Short-Circuit 2D-Diagnosis for Wide Band Gap Power Devices

Comparison between ig Integration and vgs Derivation methods dedicated to fast Short-Circuit 2D-Diagnosis for Wide Band Gap Power Devices

... most Wide Band Gap (WBG) power FETs exhibit a low robustness and a typical fail-to-short behavior, they must be turned-off softly in a few hundreds of nanoseconds, after ...

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Towards a reliability analysis method of wide band gap power electronic components and modules

Towards a reliability analysis method of wide band gap power electronic components and modules

... Parent, Guillaume and Massiot, Gregor and Rouet, Vincent and Munier, Catherine and Vidal, Paul-Etienne and Carrillo, Francisco Towards a reliability analysis method of wide band gap power electronic ...

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Single-molecule light emission at room temperature on a wide-band-gap semiconductor

Single-molecule light emission at room temperature on a wide-band-gap semiconductor

... a wide-band-gap semiconductor to decouple electronically the molecule from the ...bulk band gap and below the Fermi level of the ...

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Optoelectronics Using 2D Colloidal Nanocrystals from
Wide Band Gap to Narrow Band Gap Materials

Optoelectronics Using 2D Colloidal Nanocrystals from Wide Band Gap to Narrow Band Gap Materials

... from one nanoparticle to the other using tunneling effect to reach electrodes. In most devices based on planar geometry, the spacing between electrodes is a few µm, while the particle size is a few nm, which makes that ...

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Chemical approaches to organometallic chemical vapor deposition of wide band-gap II-VI layers and naonocrystal composites

Chemical approaches to organometallic chemical vapor deposition of wide band-gap II-VI layers and naonocrystal composites

... The new solution procedure for overgrowth of CdSe nanocrystals with ZnSe using organometallic precursors, presented here, yields high quality CdSe/ZnSe particles which[r] ...

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Evidence for a narrow band gap phase in 1T′ WS 2 nanosheet

Evidence for a narrow band gap phase in 1T′ WS 2 nanosheet

... 1H wide band gap semiconductor phase, a much stronger modulation is obtained see Figure S6 and ref 52 ...and wide bandgap phases and support the existence of a narrow band gap ...

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Millimeter-wave Electromagnetic Band-gap Structures for Antenna and Antenna Arrays Applications.

Millimeter-wave Electromagnetic Band-gap Structures for Antenna and Antenna Arrays Applications.

... Consequently, our other objective is to design a new-shape, wide band-gap, compact MMW EBG structure to reduce the MC between closely-spaced antenna elements. . Another main objective of this ...

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Nanostructuration and band gap emission enhancement of ZnO film via electrochemical anodization

Nanostructuration and band gap emission enhancement of ZnO film via electrochemical anodization

... preserve their good adhesion to the substrate, while their structural quality can even be further improved. Furthermore, the nanostructures exhibit enhanced band gap emission at room temperature. In fact, ...

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Performance Evaluation of Impluse Radio Ultra Wide Band Wireless Sensor Networks

Performance Evaluation of Impluse Radio Ultra Wide Band Wireless Sensor Networks

... This paper presents a performance evaluation of Wireless Sensor Networks (WSN) based on Impulse Radio Ultra Wideband (IR-UWB) over a new simulation platform developed for this purpose[r] ...

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Intraband transition in self-doped narrow band gap colloidal quantum dots

Intraband transition in self-doped narrow band gap colloidal quantum dots

... changing surface ligand is stronger for smaller CQD, which suggests that doping is not a surface effect. Since we consider a bulk origin of doping, we integrate two main facts: (i) mercury chalcogenides have a large ...

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Photoinduced band gap shift and deep levels in luminescent carbon nanotubes

Photoinduced band gap shift and deep levels in luminescent carbon nanotubes

... CONCLUSION In conclusion, we have shown how bright air- suspended luminescent SWNTs undergo a series of changes even at relatively low illumination intensi- ties. Changes include spectral red shifts of 10s of meV, ...

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Relaxed micromorphic model of transient wave propagation in anisotropic band-gap metastructures

Relaxed micromorphic model of transient wave propagation in anisotropic band-gap metastructures

... Forced (i.e. non-homogeneous) scalar (out-of-plane) and vector (in-plane) problems of linear elasticity in micro- structured unbounded domains have been studied extensively in the literature. The Green’s function ...

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Double-Wall Carbon Nanotubes for Wide-Band, Ultrafast Pulse Generation

Double-Wall Carbon Nanotubes for Wide-Band, Ultrafast Pulse Generation

... Lorentzians. The diameter dependence of G þ and G  peaks can be used to determine the diameter distribu- tion of the nanotubes. 91 This gives an outer tube diameter range of 1.41.8 nm. On the other hand, inner tubes ...

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Miniature and Wide-Band ILA Antenna with Non-Foster Matching

Miniature and Wide-Band ILA Antenna with Non-Foster Matching

... abdullah.haskou@univ-rennes1.fr, dominique.lemur@univ-rennes1.fr, sylvain.collardey@univ-rennes1.fr, ala.sharaiha@univ-rennes1.fr Abstract—In this paper, we present a miniature, wide-band, Inverted L ...

4

Wide-band, low-frequency pulse profiles of 100 radio pulsars with LOFAR

Wide-band, low-frequency pulse profiles of 100 radio pulsars with LOFAR

... Table B.3 provides a detailed summary of these measure- ments. We observe that the prominence of the peaks seems to shift from low to high frequencies with, in most cases, a net in- version in the dominance of P1 from ...

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An Original Correction Method for Indoor Ultra Wide Band Ranging-based Localisation System

An Original Correction Method for Indoor Ultra Wide Band Ranging-based Localisation System

... {nezo-ibrahim.fofana - adrien.van-den-bossche - rejane.dalce val}@irit.fr Abstract. During this decade, Wireless Sensor Networks (WSNs) brought an increasing interest in the industrial and research world. One of their ...

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Ferroelectric Gating of Narrow Band-Gap Nanocrystal Arrays with Enhanced Light Matter Coupling

Ferroelectric Gating of Narrow Band-Gap Nanocrystal Arrays with Enhanced Light Matter Coupling

... narrow band gap nanocrystals become a viable building block for the design of infrared sensors, device design needs to match with their actual operating ...broad band absorption from ...

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Asymptotic analysis of dispersion characteristics in two-dimensional metallic photonic band gap structures.

Asymptotic analysis of dispersion characteristics in two-dimensional metallic photonic band gap structures.

... For small a / b the truncation of the Fourier representation in Eq. (7) gives a simple physical picture of the interactions of a finite number of plane waves at the conducting rods of the lattice. For a / b → 0 the ...

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AB initio theoretical studies of transition-metal, molecular, and photonic band-gap materials

AB initio theoretical studies of transition-metal, molecular, and photonic band-gap materials

... This paper has demonstrated techniques for creating pseudopotentials which possess excellent convergence and transferability properties. We stress the importance of the converg[r] ...

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