Denis Chaumont
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View article: Towards a wide bandgap absorber: structural, morphological, and optical investigation of Ag-alloyed Cu <sub>2</sub> ZnSnS <sub>4</sub> thin films
Towards a wide bandgap absorber: structural, morphological, and optical investigation of Ag-alloyed Cu <sub>2</sub> ZnSnS <sub>4</sub> thin films Open
Controlled synthesis of Ag-alloyed Cu 2 ZnSnS 4 (ACZTS) thin films with wide range of Ag/Cu ratios via a solution process enables phase transition, lattice expansion, and bandgap tuning, yielding stable absorbers for next-generation photov…
View article: Optimizing a machine learning design of dielectric properties in lead-free piezoelectric ceramics
Optimizing a machine learning design of dielectric properties in lead-free piezoelectric ceramics Open
Designing lead-free piezoelectric ceramics with tailored electrical properties remains a critical challenge for various applications. In this paper we present a novel methodology integrating Machine Learning (ML) and optimization procedure…
View article: Optimizing a Machine Learning Design of Dielectric Properties in Lead-Free Piezoelectric Ceramics
Optimizing a Machine Learning Design of Dielectric Properties in Lead-Free Piezoelectric Ceramics Open
View article: Elaboration et caractérisation des matériaux binaires CuxS et Ag2S élaborés par la technique SILAR pour couche tampon de cellule solaire à base de couche absorbante CIS
Elaboration et caractérisation des matériaux binaires CuxS et Ag2S élaborés par la technique SILAR pour couche tampon de cellule solaire à base de couche absorbante CIS Open
Depuis une dizaine d’années, des efforts considérables ont été accomplis dans le domaine de nouveaux matériaux synthétisés à bas coût pour être intégrer dans les cellules solaires à base de couches absorbantes CIS: CuIn (S,Se)2, et GICS: C…
View article: Nonlinear optical study of hierarchical 3D Al doped ZnO nanosheet arrays deposited by successive ionic adsorption and reaction metod
Nonlinear optical study of hierarchical 3D Al doped ZnO nanosheet arrays deposited by successive ionic adsorption and reaction metod Open
Successive ionic layer adsorption and reaction (SILAR) method is based on the adsorption and reaction of the ions in the cationic solution and the ionic solution, respectively. This method is simple, inexpensive, large-scale deposition, ef…
View article: Improvement of hetero-interface engineering by partial substitution of Zn in Cu<sub>2</sub>ZnSnS<sub>4</sub>-based solar cells
Improvement of hetero-interface engineering by partial substitution of Zn in Cu<sub>2</sub>ZnSnS<sub>4</sub>-based solar cells Open
This paper investigates the effects of partial substitution of zinc (Zn) in pure sulfide kesterite (Cu 2 ZnSnS 4 ) by cadmium (Cd) and manganese (Mn) incorporation. Thin films of Cu 2 ZnSnS 4 (CZTS), Cu 2 Zn 1– x Cd x SnS 4 (CCZTS) and Cu …
View article: Real-Time Observation of “Soft” Magic-Size Clusters during Hydrolysis of the Model Metallodrug Bismuth Disalicylate
Real-Time Observation of “Soft” Magic-Size Clusters during Hydrolysis of the Model Metallodrug Bismuth Disalicylate Open
Colloidal bismuth therapeutics have been used for hundreds of years, yet remain mysterious. Here we report an X-ray pair distribution function (PDF) study of the solvolysis of bismuth disalicylate, a model for the metallodrug bismuth subsa…
View article: Investigation of absorber and heterojunction in the pure sulphide kesterite
Investigation of absorber and heterojunction in the pure sulphide kesterite Open
View article: Activated-carbon/TiO2 composites preparation: An original grafting by milling approach for solar water treatment applications
Activated-carbon/TiO2 composites preparation: An original grafting by milling approach for solar water treatment applications Open
View article: Detection of morphotropic phase boundary in A-site/Ca-substituted Na0.5Bi0.5TiO3 complex oxides ferroelectric system
Detection of morphotropic phase boundary in A-site/Ca-substituted Na0.5Bi0.5TiO3 complex oxides ferroelectric system Open
View article: Effect of Fe-incorporation on Structural and Optoelectronic Properties of Spin Coated p/n Type ZnO Thin Films
Effect of Fe-incorporation on Structural and Optoelectronic Properties of Spin Coated p/n Type ZnO Thin Films Open
У роботі повідомляється про вплив включення Fe на структурні та оптоелектронні властивості тонких плівок ZnO, отриманих методом центрифугування. Номінальне співвідношення Fe/Zn у розчині становило 7 %. Рентгенограми плівок показали, що лег…
View article: Polysaccharide Chain Length of Lipopolysaccharides From Salmonella Minnesota Is a Determinant of Aggregate Stability, Plasma Residence Time and Proinflammatory Propensity in vivo
Polysaccharide Chain Length of Lipopolysaccharides From Salmonella Minnesota Is a Determinant of Aggregate Stability, Plasma Residence Time and Proinflammatory Propensity in vivo Open
Lipopolysaccharides (LPS) originate from the outer membrane of Gram-negative bacteria and trigger an inflammatory response via the innate immune system. LPS consist of a lipid A moiety directly responsible for the stimulation of the…
View article: Quantification of relaxor behavior in (1 − x)Na0.5Bi0.5TiO3 – xCaTiO3 lead-free ceramics system
Quantification of relaxor behavior in (1 − x)Na0.5Bi0.5TiO3 – xCaTiO3 lead-free ceramics system Open
View article: Complex structural contribution of the morphotropic phase boundary in Na0.5Bi0.5TiO3 - CaTiO3 system
Complex structural contribution of the morphotropic phase boundary in Na0.5Bi0.5TiO3 - CaTiO3 system Open
View article: Relaxor behaviour and phase transition of perovskite ferroelectrics-type complex oxides (1–x)Na0.5Bi0.5TiO3–xCaTiO3 system
Relaxor behaviour and phase transition of perovskite ferroelectrics-type complex oxides (1–x)Na0.5Bi0.5TiO3–xCaTiO3 system Open
Polycrystalline powders of (1–x)Na0.5Bi0.5TiO3–xCaTiO3 ((1–x)NBT–xCT, 0 ≤ x ≤ 0.55) have been synthesized by solid state route. The effects of simultaneous substitution of Na+/Bi3+ at A-site in NBT on structural and dielectric properties w…
View article: Zinc Doped of CdS Layers Deposited by Chemical Bath Deposition Method
Zinc Doped of CdS Layers Deposited by Chemical Bath Deposition Method Open
View article: Electric field induced monoclinic phase stability in Ca doped Na0.5Bi0.5TiO3: Case of 0.93Na0.5Bi0.5 TiO3 – 0.07CaTiO3 ferroelectric ceramics
Electric field induced monoclinic phase stability in Ca doped Na0.5Bi0.5TiO3: Case of 0.93Na0.5Bi0.5 TiO3 – 0.07CaTiO3 ferroelectric ceramics Open
The ferroelectric perovskite complex 0.93Na0.5Bi0.5TiO3 – 0.07CaTiO3 (NBT –0.07CT) ceramics were studied by a simple X-ray diffraction upon application of an increasing electric field. It is shown that the field induced rhombohedral (R3c) …