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Academic literature on the topic 'Dépôts de films sensibles'
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Journal articles on the topic "Dépôts de films sensibles"
Martin, Jean-Clément. "Violences Sexuelles, Étude des Archives Pratiques de L'Histoire." Annales. Histoire, Sciences Sociales 51, no. 3 (June 1996): 643–61. http://dx.doi.org/10.3406/ahess.1996.410875.
Full textLANTIER, F., D. MARC, P. SARRADIN, P. BERTHON, R. MERCEY, F. EYCHENNE, O. ANDREOLETTI, F. SCHELCHER, and J. M. ELSEN. "Le diagnostic des encéphalopathies spongiformes chez les ruminants." INRAE Productions Animales 17, HS (December 20, 2004): 79–85. http://dx.doi.org/10.20870/productions-animales.2004.17.hs.3632.
Full textJeffries, D. S., S. E. Doka, M. L. Mallory, F. Norouzian, A. Storey, and I. Wong. "Effets des précipitations acides sur les écosystèmes aquatiques au Canada: Situation actuelle et future." Revue des sciences de l'eau 11 (April 12, 2005): 129–43. http://dx.doi.org/10.7202/705335ar.
Full textJanand, Marie-Caroline, and Cyril Longin. "Casino : quelles sources pour quel patrimoine ?" La Gazette des archives 260, no. 4 (2020): 19–28. http://dx.doi.org/10.3406/gazar.2020.6015.
Full textBordian, Mariia, Irene Gil Saura, and Maja šerić. "Efectos de la comunicación integrada de marketing sobre el valor de marca: el rol de la cocreación de valor y el conocimiento ecológico del huésped." Revista Perspectiva Empresarial 8, no. 1 (July 27, 2020): 55–70. http://dx.doi.org/10.16967/23898186.685.
Full textVandevelde, Ségolène, Jean-Luc Lacour, Céline Quéré, Lionel Marie, Christophe Petit, and Ludovic Slimak. "Identification du rythme annuel de précipitation des carbonates pariétaux pour un calage micro-chronologique des occupations archéologiques pyrogéniques : cas de la Grotte Mandrin (Malataverne, Drôme, France)." BSGF - Earth Sciences Bulletin 192 (2021): 9. http://dx.doi.org/10.1051/bsgf/2021002.
Full textMartínez-Zuñiga, Eduardo Carlos, Nayely Torres-Gómez, Marco Antonio Camacho-López, Gustavo López-Téllez, and Alfredo Rafael Vilchis-Nestor. "Desarrollo de un sustrato flexible y activo para SERS basado en nanoestructuras de metales nobles (Au y Ag)/poliestireno." Superficies y Vacío 33 (June 27, 2020). http://dx.doi.org/10.47566/2020_syv33_1-200601.
Full textHuvet, Chloé. "Refonder Alien : création musicale et sonore dans Prometheus et Alien: Covenant (Ridley Scott, 2012, 2017)." Filigrane 27 (2022). http://dx.doi.org/10.56698/filigrane.1249.
Full textMélat, Hélène. "Материя смысла: думающая анимация Гарри Бардина." Slovo To the East of Pixar :... (March 2, 2019). http://dx.doi.org/10.46298/slovo.2019.5237.
Full text"Dépôts de nitrure de silicium et de silice par méthode photochimique. Passivation de la surface d'InP par (NH4)2 Sx. Application au MISFET-InP." Microelectronics Reliability 33, no. 13 (October 1993): 2073–74. http://dx.doi.org/10.1016/0026-2714(93)90463-9.
Full textDissertations / Theses on the topic "Dépôts de films sensibles"
Le, Pennec Fabien. "Développement de microcapteurs pour la mesure de dioxyde de carbone (CO2) : application au suivi de la qualité de l’air." Electronic Thesis or Diss., Aix-Marseille, 2022. http://www.theses.fr/2022AIXM0148.
Full textUnlike outdoor air pollution, indoor air pollution remained relatively understudied until the early 2000s. However, we spend on average 85% of our time in closed environments (home, offices, transport, etc. in which we are exposed to many pollutants. Numerous studies have shown that measuring the concentration of carbon dioxide makes it possible to assess the confinement of indoor air. To measure pollutants, we can distinguish between analyzers and microsensors, each with its advantages and disadvantages. In the case of indoor air quality, resistive type microsensors appear to be the most appropriate solution, due to their low cost, high sensitivity, possible miniaturization and low power consumption. The detection phenomenon is based on the variation of the electrical resistance of the sensitive element in response to a gas adsorption rate. My research work has focused on the study of the sensitive layer. We used the screen-printing deposit method, a simple, fast and inexpensive technique. The crystalline structure and the morphology could be determined as well as the identification of the chemical substances present in our materials according to physico-chemical characterization techniques. Our results showed that the sensors made from La2O2CO3 and BaTiO3, respectively, present good performances, with a high sensitivity to CO2, and a good repeatability rate
Ubrig, Jennifer. "Encapsulation de dispositifs sensibles à l'atmosphère par des dépôts couches minces élaborés par PECVD." Phd thesis, Ecole Polytechnique X, 2007. http://pastel.archives-ouvertes.fr/pastel-00003495.
Full textEuphrasie, Sébastien. "Dépôts de films actifs épais pour micro-systèmes." Valenciennes, 2002. https://ged.uphf.fr/nuxeo/site/esupversions/5a016950-2a68-47c3-b9f7-2922bb08fe96.
Full textThis dissertation deals with two methods of obtaining thick active films: the hydrothermal synthesis and the deposition by Laser Ablation of Microparticles (LAM). Hydrothermal techniques are presented to have a better understanding of the phenomena occurring during hydrothermal synthesis of PZT films. The advantage is to grow (at T<200ʿC) PZT films (5-30 thick) on non-planar titanium substrates. The importance of the way of putting precursors into the solution is stressed. A study, using in particular EXAFS, gives us information about the gel leading to the films. Piezoelectric, dielectric and ferroelectric characterizations are also shown. Deposition by LAM is characterized by the formation of 1-100æm-thick films by impacting nanoparticles made of laser ablation of a microparticles aerosol. Pulsed laser deposition (on flat target) and the apparatuses used by LAM are described. First film depositions of active material (PZT and Terfenol-D) and their characterizations are studied
Ben, Mefteh Wahid. "Élaboration de films sensibles à base de macromolécules azotées : application aux capteurs chimiques." Thesis, Lyon 1, 2015. http://www.theses.fr/2015LYO10079.
Full textThis dissertation is devoted to the elaboration, the chemical grafting of aminated macrocycles on surfaces, the development of elaboration processes of surfaces sensitive to the ions, the evaluation of their properties and the fabrication of prototypes of chemical sensors sensitive to the ions. The aminated macrocycles are cyclames, sensitive to transition metal ions and terpyridines sensitive to lanthanides. A chemical sensor sensitive to iron (III) ion is fabricated by means of the functionalization of an ISFET and of silicon nitride/silicon structures through grafting of aminated macrocycles of the cyclam type on to the surface of the device. The coupling agent poly(methylhydrosiloxane) (PMHS) allows such an immobilization with a high efficiency. The immobilization of a derivative of cyclam (naphtyl-cyclam) on gold surfaces allowed the preparation of chemical sensors sensitive to the ions. The molecule of cyclam was deposited on gold electrodes by strong interactions between the naphtyl group and the gold surface. The film obtained was characterized in terms of composition, morphology and electrical properties. The proton conductivity of the N-MNC film was brought out, for the first time, by electrochemical impedance spectroscopy (EIS) and by cyclic voltammetry (CV). We showed that the immobilization of the phenyl-terpyridine derived on gold surfaces allowed the preparation of the chemical sensors sensitive to gadolinium (III) ions. The molecules of terpyridine were self-assembled on gold electrodes by strong interactions (chemical grafting) with a final thiol group. The electrical properties of these sensitive films/electrolyte are described and theoretical models are proposed from the experimental results obtained by the electrochemical impedance spectroscopy
El, Jounaîdi Abdellah. "Contribution à l'étude des dépôts par plasma : basse fréquence de films minces organosiliciés." Toulouse 3, 1990. http://www.theses.fr/1990TOU30065.
Full textBenzeggouta, Dhafira. "Etude de procédés de dépôts de films minces par décharge magnétron fortement ionisée." Paris 11, 2008. http://www.theses.fr/2008PA112090.
Full textLn modern techniques of thin film deposition it is necessary to improve the quality of the deposited thin film, to achieve a better control of the energy deposited to the growing thin film and to permit the deposition of thin films on complex shape substrates of with good step coverage. The main drawback of convention al De magnetron sputtering is that emitted metal particles are mainly neutrals. It this condition, it is difficult to guide. Their pathway and to control their energy. An improvement of sputtering process consists in iO[1izing the emitted vapour by adding a second discharge between the target and the substrate. This technique is usually called IPVD (Ionized Physical Vapor Deposition) in which frequently a second Radio-Frequency (RF) discharge is used (RF-IPVD). A second alternative method developed more recently, ca lied HPPMS (High Power Pulsed Magnetron Sputtering), uses high power pulses applied directly on the magnetron cathode. During the,pulse. An important ionization degree of sputtered species (> 50 %) is achieved. The two techniques have been used for the case of reactive sputtering for the deposition of RU02 oxide. A very few works have developed till now for this reactive conditions. A large part of this thesis is devoted to the study of the influence of the introduction of O2 on the discharge behaviour in the two RF-IPVD and HPPMS processes. We also studied the possibility of depositing dielectric thin films BaSrTi03 using a ceramics target and the RF-IPVD process. Results obtained within this thesis open new perspectives for the use of the HPPMS technique for the development of new material having specifie properties
Maechler, Louison. "Dépôts de films organosiliciés réalisés par décharge à barrière diélectrique homogène à la pression atmosphérique : application aux films multicouches." Toulouse 3, 2010. http://thesesups.ups-tlse.fr/1070/.
Full textThe aim of this work is to better understand deposition processes of thin films using an atmospheric pressure cold plasma, through the synthesis of organic and inorganic materials. Two discharges are used: the Atmospheric Pressure Townsend Discharge (APTD) in nitrogen and the Atmospheric Pressure Glow Discharge (APTD) in helium. In both cases, the precursor used is hexamethyldisiloxane (HMDSO) and the oxidizing gas is nitrous oxide (N2O). The approach consists in firstly determining the chemical and structural properties of films obtained with or without oxidant gas. After this step, a discussion is proposed on the gas-phase reaction mechanisms that may explain the obtained deposits. Finally, this work highlights some possible applications of these deposits obtained at atmospheric pressure through the realization of gas barrier multilayers and of rigid multilayers with antifog properties
Monnin, Alexandra. "Fonctionnalisations et caractérisations de surfaces par des films polythiophènes et dépôts de particules composites." Besançon, 2010. http://www.theses.fr/2010BESA2034.
Full textThe objective of this study was to synthesize composite materials made of polymer and particles on a conductive substrates. The combination of two elements of different nature allowed to obtain specific properties of the new material. This application for composite material are of potential interest to various industrial sectors :micro-engineering, optics, electronics… Initially, the surface of gold substrates was functionalized with polymer films (polybithiophene and polytris [5-(2,2ۥ-bithiophène)] méthanol]), obtained by electropolymerization. The influence of different parameters on the formation of electropolymerized films was studied : the nature and concentration of the monomer, composition of electrolyte, scan rate of film formation… Different techniques (optical and scanning electron microscopy, spectroscopic ellipsometry, AFM) were used to characterize the morphology and thickness of these films. The in situ formation of electropolymerized films was also studied, using a fixed angle laser reflectometer coupled with cyclic voltammetry. A correlation between the morphologies of the films and reflectometry signals was achieved. The results obtained were supported by measuring the refractive index and thickness of the films by spectroscopic ellipsometry and absorbance by UV-Visible spectrophotometry. Secondly, the assembly of composites particles, consisting of inorganic nanoparticles (silica) absorbed onto organic microparticles (latex) was performed on a metal surface. Micrometer-sized latex particles allowed to control their transport to the surface and the nanoparticles provided the desired functionality. The electrophoretic deposition of particles was studied as a function of different physicochemical parameters (pH, concentration and nature of organic additives, polarization…). The deposition of the composite particles may be reversible or irreversible, depending on experimental conditions. Furthermore, desorption of nanoparticles is observed in some cases. After selecting the experimental conditions for optimum deposition of composites particles (without desorption of nanoparticles), the assembly of these particles on the functionalized metal substrate by polymer film was studied. During their electrophoretic deposition, the particles absord mainly around clusters of polymer films
Lemaire, Vincent. "Dépôts alignés de nanofils d'argent au sein de films multicouches pour des propriétés conductrices et optiques." Thesis, Strasbourg, 2017. http://www.theses.fr/2017STRAE038/document.
Full textThis study consist in the elaboration of aligned films of silver nanowires by the Grazing Incidence Spraying (GIS) technique. Combined with the Layer-by-Layer (LbL) technique, it is possible to generate films composed of several aligned layers of silver nanowires with different directions of orientation. Optical and conductive properties of these films will be investigated to highlight the impact of these 3D ordered structures. The influence of different parameters of the GIS will be studied. These parameters will be optimized in ordrer to design samples for conductive and transparent films and to elaborate chiral structures. Chiral structures will be realized and their circular dichroism will be investigated in function of structural parameters. A last study will be realized about the influence of order for transparent and conductive electrodes by measuring performances of films with aligned and randomly deposed silver nanowires
Verbrugghe, Nathalie. "Lithographie optique, dépôts de films minces de tungstène et trioxyde de tungstène dédiés aux capteurs de gaz semiconducteurs." Thesis, Littoral, 2019. http://www.theses.fr/2019DUNK0527/document.
Full textDriven by current safety and environmental quality concerns and research efforts in this area, the global market for gas sensors is expanding rapidly. In the context of the marketing of a gas sensor, a phase of improvement in its performance, and in particular its sensitivity and stability, is naturally necessary. However, it is also relevant to consider reducing the cost of manufacturing. To achieve this, it is necessary to develop a technology that uses low-cost materials and reduces the device's power consumption. In this perspective, this thesis work focused on the realization and characterization of a semiconductor oxide gas sensor entirely based on tungsten and tungsten trioxide for the detection of hydrogen sulfide in an industrial environment. The main objective was to manufacturate a low-cost sensor using simple processing techniques and low-cost materials. To achieve this, our work initially consisted in developing a tungsten heating element that can operate up to 500°C. The processes developed for the conception of the heating element were used in the development of the electrodes for measuring the electrical resistance of the tungsten trioxide film. Then, we worked on the optimization of the radio frequency sputtering process for the development of the tungsten trioxide sensing element. Gas measurements have shown promising results for the detection of hydrogen sulfide, nitrogen dioxide and ammonia