Дисертації з теми "Amorphism"
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Odendaal, Roelf Willem. "Amorphism and polymorphism of azithromycin / Roelf Willem Odendaal." Thesis, North-West University, 2012. http://hdl.handle.net/10394/9528.
Повний текст джерелаThesis (PhD (Pharmaceutics))--North-West University, Potchefstroom Campus, 2013
Ehling, Christian [Verfasser]. "Oberflächenpassivierung durch amorphes Silizium und amorphes Siliziumkarbid / Christian Ehling." München : Verlag Dr. Hut, 2012. http://d-nb.info/102939976X/34.
Повний текст джерелаLemke, André. "Röntgenstrukturuntersuchungen von amorphem Zinkchlorid." [S.l.] : Universität Stuttgart , Fakultät Chemie, 1995. http://www.bsz-bw.de/cgi-bin/xvms.cgi?SWB6783406.
Повний текст джерелаVergnat, Michel. "Hydrogénation d'alliages semi-conducteurs amorphes structure et propriétés électroniques des alliages amorphes hydrogènes... /." Grenoble 2 : ANRT, 1988. http://catalogue.bnf.fr/ark:/12148/cb37619070x.
Повний текст джерелаHohl, Achim. "Untersuchungen zur Struktur von amorphem Siliziummonoxid." Phd thesis, [S.l. : s.n.], 2003. http://elib.tu-darmstadt.de/diss/000321.
Повний текст джерелаGény, Jean-François. "Etude de quelques propriétés d'alliages amorphes." Grenoble 2 : ANRT, 1986. http://catalogue.bnf.fr/ark:/12148/cb375980391.
Повний текст джерелаLéonforte, Fabien. "Vibrations et Micromécanique de Matériaux Amorphes Modèles." Phd thesis, Université Claude Bernard - Lyon I, 2005. http://tel.archives-ouvertes.fr/tel-00135515.
Повний текст джерелаLéonforte, Fabien Barrat Jean-Louis. "Vibrations et micromécanique de matériaux amorphes modèles." Villeurbanne : Université Claude Bernard, 2005. http://tel.archives-ouvertes.fr/docs/00/13/55/15/PDF/thesis.pdf.
Повний текст джерелаMourchid, Ahmed. "Processus electroniques ultrarapides dans les semiconducteurs amorphes." Paris 11, 1990. http://www.theses.fr/1990PA112215.
Повний текст джерелаNamoda, Aboubacar TOSSER ANDRE. "DEGRADATION (EFFET STAEBLER-WRONSKI) ET CARACTERISATION DES CELLULES SOLAIRES A BASE DE SILICIUM AMORPHE HYDROGENE (A-SI : H) /." [S.l.] : [s.n.], 1999. ftp://ftp.scd.univ-metz.fr/pub/Theses/1999/Namoda.Aboubacar.SMZ9942.pdf.
Повний текст джерелаVergnat, Michel. "Hydrogénation d'alliages semi-conducteurs amorphes : Structure et propriétés électroniques des alliages amorphes hydrogènes SI::(1-X)SN::(X):H." Nancy 1, 1988. http://www.theses.fr/1988NAN10322.
Повний текст джерелаJensen, Pablo. "Métastabilité thermique dans le silicium amorphe hydrogéné intrinsèque." Lyon 1, 1990. http://www.theses.fr/1990LYO10042.
Повний текст джерелаWehrspohn, Ralf B. "Silicium amorphe poreux formation des pores et proprieteoptiques." Palaiseau, Ecole polytechnique, 1997. http://www.theses.fr/1997EPXX0025.
Повний текст джерелаJacquart, Aurélie. "Matériaux moléculaires amorphes pour la photostructuration de fluorescence." Phd thesis, École normale supérieure de Cachan - ENS Cachan, 2010. http://tel.archives-ouvertes.fr/tel-00561841.
Повний текст джерелаSpomer, Natalie. "Synthese, Charakterisierung und Reaktivität von amorphem, schwarzem Silicium." [S.l.] : [s.n.], 2007. http://deposit.ddb.de/cgi-bin/dokserv?idn=98568593X.
Повний текст джерелаBrinkmann, Kevin. "Verformungsinduzierte Strukturänderungen bei amorphem Ni0.5Zr0.5 in Molekulardynamik-Simulationen." [S.l.] : [s.n.], 2006. http://webdoc.sub.gwdg.de/diss/2006/brinkmann.
Повний текст джерелаMatics, Stefan. "Selbst- und Fremddiffusion in amorphem Si28C36N36 und Si3N4 /." [S.l. : s.n.], 2000. http://www.bsz-bw.de/cgi-bin/xvms.cgi?SWB9587936.
Повний текст джерелаMatics and Stefan. "Selbst- und Fremddiffusion in amorphem Si28C36N36 und Si3N4." Phd thesis, Universitaet Stuttgart, 2000. http://elib.uni-stuttgart.de/opus/volltexte/2001/963/index.html.
Повний текст джерелаJourdaine, Loïc. "Les Couches minces amorphes conductrices application au microstockage." Grenoble 2 : ANRT, 1986. http://catalogue.bnf.fr/ark:/12148/cb37598580v.
Повний текст джерелаSchmidt, Martin Peter. "Propriétés physiques des alliages amorphes hydrogènes silicium-carbone." Grenoble 2 : ANRT, 1988. http://catalogue.bnf.fr/ark:/12148/cb37618481f.
Повний текст джерелаLaforest, Nicolas. "Interaction des positons avec les systèmes macromoléculaires amorphes." Chambéry, 2008. http://www.theses.fr/2008CHAMS049.
Повний текст джерелаPositron annihilation lifetime spectroscopy is a technique which allows the free volume hole size in polymers to be probed. The free volume hole size is estimated from the ortho-positronium lifetime, extracted from the experimental spectrum. Nevertheless, other fitted parameters such as the para-positronium and the free positron lifetimes are less studied and their time dependences are less known. Thus, the probability of ortho-positronium formation (I3) is sensitive to the positron source irradiation and changes with the measuring time. In addition, extraction of parameters from experimental spectra requires the use of an analysis procedure suitable to the positron chemistry. The spectra are usually analyzed in the multiexponential framework, considering the instantaneity of the positronium formation. Nevertheless, another model, so-called blob model, considers the mechanisms of positronium formation in the polymer. From this model, the positronium formation is only possible during the existence of the blob (delay of type I), which leads to non exponential spectra. These two methods of analysis were compared on PMMA spectra obtained from isothermal measurements at 20 K. An increase in the free positron lifetime with the measuring time is observed, regardless of the method of analysis, and it appears to be correlated with the increase of I3, ascribed to the source irradiation with the concomitant accumulation of weakly bound electrons within the medium. Several mechanisms have been proposed to explain the variation of free positron lifetime. Two are actually correlated to the effects of irradiation and thus, at low temperature, to the accumulation of weakly bound electrons. The third one is attributed to an artifact of analysis caused by the existence of an ortho-positronium lifetime distribution while discrete analyses are performed. These three mechanisms are discussed, which leads us to consider the existence of the delayed Type II formation positronium in amorphous polymers, i. E. The formation of a positronium with a shallow trapped electron after the blob disappearance. Finally our study focused on the results obtained from various derivatives of polystyrene and particularly on the probability of ortho-positronium formation. A simple model was proposed in order to explain the variations of I3 with the measuring time and temperature. This model is based on two mechanisms : i) an extra positronium formation process related to the accumulation of shallow trapped electrons, ii) an inhibition of the positronium formation ascribed to the accumulation of free radicals. The model was successfully applied to different polystyrenes and their derivatives. The effects of the chemistry, the molecular weight of the polymers and the methodology used in the experimental settings are discussed
Schmidt, Martin Peter. "Propriétés physiques des alliages amorphes hydrogénés silicium-carbone." Paris 11, 1988. http://www.theses.fr/1988PA112251.
Повний текст джерелаThis thesis analyses the deposition of amorphous hydrogenated silicon-carbon thin film alloys from glow-discharge in silan methane mixture. At low power density, methane is not decomposed directly by electron impact, but only by chemicaly reactions with reactive silane species resulting from silane decomposition. This régime allows the reproducible preparation of materials with low carbon content << 20%> with a density of states at the Fermi level comparable to standard a-Si:H. The carbon is incorporated into the the films as methyl group, which perturbs only slightly the local order of silicon atoms, as shown by photoelectron and Raman spectroscopy. When the methane content of the gas phase approaches 100 %, the deposition rate drops, and the carbon content in the films is limited to 35 - 40 %. The optical properties of this materials depend almost exclusively on the carbon content, unlike in the case of high power deposition. They can be represented by a simple two - band model in which the band structure is condensed into one single parameter, the average pag . This parameter can be computed from dispersion curves of the refractive index. The DOS in the conduction and valence band is deduced from X ray absorption and emission spectra. Our results show that the average gap is close to the energy separation between the first peak in the conduction and valence band DOS ; both parameters increase with carbon content. The increase in the optical gap can therefore be associated to a scaling of the whole band-structure. Above 20% of carbon in the solid, deviative properties are found. They correspond to a change in carbon incorporation scheme (network incorporation via Si-CH -Si units)
Crépeau, Gérald. "Caractérisation de l'acidité de catalyseurs d'hydrocraquage amorphes sulfurés." Caen, 2002. http://www.theses.fr/2002CAEN2044.
Повний текст джерелаGoyon, Julie. "Matériaux amorphes : des solides qui coulent de façon collective." Phd thesis, Université Sciences et Technologies - Bordeaux I, 2008. http://tel.archives-ouvertes.fr/tel-00360121.
Повний текст джерелаHonolka, Jan. "Über die Natur der niederenergetischen Anregungen in amorphem Arsensulfid." [S.l. : s.n.], 2001. http://deposit.ddb.de/cgi-bin/dokserv?idn=961877308.
Повний текст джерелаCarstens, Kai [Verfasser]. "Passivierung kristalliner Silizium-Solarzellen mit amorphem Silizium / Kai Carstens." München : Verlag Dr. Hut, 2017. http://d-nb.info/1147674698/34.
Повний текст джерелаHenry, Maurice. "Matériaux amorphes élaboration, caractérisation, propriétés magnétiques de fontes hypertrempées." Grenoble 2 : ANRT, 1986. http://catalogue.bnf.fr/ark:/12148/cb375983584.
Повний текст джерелаBoumazouza, Djamila. "Etude du magnétisme réentrant dans les alliages métalliques amorphes." Grenoble 2 : ANRT, 1987. http://catalogue.bnf.fr/ark:/12148/cb37603319b.
Повний текст джерелаBreuzet, Michel. "Résonateurs à ondes élastiques de volume en matériaux amorphes." Grenoble 2 : ANRT, 1988. http://catalogue.bnf.fr/ark:/12148/cb37612404j.
Повний текст джерелаSantos, Dina Maria. "Contribution à l'étude géométrique et physique des amorphes covalents." Grenoble 2 : ANRT, 1987. http://catalogue.bnf.fr/ark:/12148/cb37609647v.
Повний текст джерелаBouroukba, Mohammed. "Stabilités thermodynamique et temporelle des alliages Ni-xPx amorphes." Grenoble 2 : ANRT, 1988. http://catalogue.bnf.fr/ark:/12148/cb37612217b.
Повний текст джерелаJorge, Rodriguez Gilberto A. "Comportement électrochimique de quelques alliages binaires amorphes ou cristallisés." Grenoble 2 : ANRT, 1988. http://catalogue.bnf.fr/ark:/12148/cb376145525.
Повний текст джерелаAdjanor, Gilles. "Modélisation thermodynamique des verres nucléaires : coexistence entre phases amorphes /." [Gif-sur-Yvette] : [CEA Saclay, Direction des systèmes d'information], 2007. http://catalogue.bnf.fr/ark:/12148/cb41030089t.
Повний текст джерелаLa couv. et la p. de titre portent en plus : "Direction de l'énergie nucléaire" Bibliogr. p. 203-213. Résumé en français et en anglais.
SAADI, MOHAMMED TOSSER-ROUSSEY A. "ELABORATION, COMPACTAGE ET FRITTAGE DE POUDRES AMORPHES CHIMIQUES NIP /." [S.l.] : [s.n.], 1996. ftp://ftp.scd.univ-metz.fr/pub/Theses/1996/Saadi.Mohammed.SMZ9648.pdf.
Повний текст джерелаGoyon, Julie Colin Annie. "Matériaux amorphes des solides qui coulent de façon collective /." S. l. : Bordeaux 1, 2008. http://ori-oai.u-bordeaux1.fr/pdf/2008/GOYON_JULIE_2008.pdf.
Повний текст джерелаBrummack, Hanna. "Optimierung von driftbestimmten Solarzellen aus amorphem und nanokristallinem Silizium." [S.l. : s.n.], 2000. http://www.bsz-bw.de/cgi-bin/xvms.cgi?SWB8885011.
Повний текст джерелаMadel, Caroline. "Elektronische Transporteigenschaften von amorphem und quasikristallinem Al-Cu-Fe." [S.l. : s.n.], 2000. http://www.bsz-bw.de/cgi-bin/xvms.cgi?SWB9494963.
Повний текст джерелаChehaidar, Abdallah. "Dynamique vibrationnelle des semiconducteurs amorphes : diffusion Raman et modélisations." Toulouse 3, 1995. http://www.theses.fr/1995TOU30008.
Повний текст джерелаSaadi, Mohammed. "Elaboration, compactage et frittage de poudres amorphes chimiques NiP." Metz, 1996. http://docnum.univ-lorraine.fr/public/UPV-M/Theses/1996/Saadi.Mohammed.SMZ9648.pdf.
Повний текст джерелаWe have elaborated five powders of NiP with 8% at P et 17% at P. The chemical and physical parameters are kept constant except concentration of phosphorus into bath. The powders obtained with this new technique are identified amorphous with X rays. We have tried to caracterize behaviour of different powder during uniaxial compacting stage. There are two stages during compaction, the first one for low pressure compacting (300 à 600 MPa) when the aprticles of powder undergo arrangement, second stage for high pressure was attributed to the plastic deformation of powder particles. Stereology made it possible to caracterize internal structure, to describe behaviour, physics and mechanics properties of conglomerate of powder compacted till ultimate of sinttering. During temperature rising, we have attained 95% of theorical density for all compacted at high pressure. We could bring to the fore one transition of amorphous-crystal phase at 300°C with measurements of electrical resistivity for all compacted, second transition became visible at 500°C for powder at 12% at P and 17% at P who cristalization it made of two stages, precipitation of Ni then Ni3P and growth within material. Vickers Microhardness and Young module evolved well with rising temperature
Henry, Maurice. "Matériaux amorphes : élaboration, caractérisation, propriétés magnétiques de fontes hypertrempées." Le Mans, 1986. http://www.theses.fr/1986LEMA1008.
Повний текст джерелаBreuzet, Michel. "Resonateurs a ondes elastiques de volume en materiaux amorphes." Paris 6, 1988. http://www.theses.fr/1988PA066108.
Повний текст джерелаSantos, Dina Maria. "Contribution a l'etude geometrique et physique des amorphes covalents." Paris 6, 1987. http://www.theses.fr/1987PA066614.
Повний текст джерелаAmédro, Éric. "Polymacromonomères : phénomènes d'interdiffusion aux interfaces entre matériaux thermoplastiques amorphes." Bordeaux 1, 2000. http://www.theses.fr/2000BOR10604.
Повний текст джерелаMauzac, Olivier. "Approche locale de la fissuration des polymeres choc amorphes." Université Louis Pasteur (Strasbourg) (1971-2008), 1990. http://www.theses.fr/1990STR13099.
Повний текст джерелаColin, Dominique. "Obtention, corrosion et analyse de surface d'alliages amorphes inoxydables." Grenoble INPG, 1989. http://www.theses.fr/1989INPG0111.
Повний текст джерелаBouvier, Odile de. "Corrosion et passivation des fontes amorphes en milieu cimentaire." Grenoble INPG, 1990. http://www.theses.fr/1990INPG0004.
Повний текст джерелаAdjanor, Gilles. "Modélisation thermodynamique des verres nucléaires : coexistence entre phases amorphes." Paris 11, 2006. http://www.theses.fr/2006PA112285.
Повний текст джерелаInvestigating the stability of borosilicate glasses used in the nuclear industry with respect to phase separation requires to estimate the Gibbs free energies of the various phases appearing in the material. In simulation, using current computational resources, a direct state-sampling of a glassy system with respect to its ensemble statistics is not ergodic and the estimated ensemble averages are not reliable. Our approach consists in generating, at a given cooling rate, a serie of quenches, or paths connecting states of the liquid to states of the glass, and then in taking into account the probability to generate the paths leading to the different glassy states in ensembles averages. In this way, we introduce a path ensemble formalism and calculate a Landau free energy associated to a glassy metabasin. This method was validated by accurately mapping the free energy landscape of a 38-atom glassy cluster. We then applied this approach to the calculation of the Gibbs free energies of binary amorphous Lennard-Jones alloys, and checked the correlation between the observed tendencies to order or to phase separate and the computed Gibbs free energies. We finally computed the driving force to phase separation in a simplified three-oxide nuclear glass modeled by a Born-Mayer-Huggins potential that includes a three-body term, and we compared the estimated quantities to the available experimental data
Atawa, Bienvenu. "Mobilité moléculaire et vieillissement physique des composés amorphes chiraux." Thesis, Normandie, 2018. http://www.theses.fr/2018NORMR125/document.
Повний текст джерелаIn the framework of this thesis, we carried out the study of amorphous chiral molecular systems by evaluating their molecular mobility, the evolution of physical properties during aging and the recrystallization behavior as function of the initial enantiomeric excess (ee). In order to avoid factors additional to chirality itself, we focused on enantiomeric systems forming stable conglomerates (full chiral discrimination in the solid state) by choosing two model compounds: 5-ethy-5-methylhydantoin (12H) and N-acetyl-α-methylbenzylamine (Nac-MBA). From this thesis it was shown that the most spectacular effects of chirality in the amorphous state is expressed in the GFA or the crystallization propensity. The GFA increases as the ee decreases. The kinetics of physical aging is implicitly impacted by chirality. Glassy pure enantiomer requires more time to reach equilibrium than that of an intermediate composition. This situation is hypothetically due to constraints effects mostly resulting from a strong nucleation behavior in the glass state at high ee. Furthermore, the time scale of all the processes (D, α, βJG, γ) and the evolution of their temperature dependency are approximatively identical even though the crystallization behavior is highly impacted by ee. it seems that molecular mobility would not be a key parameter in the crystallization behavior of Nac-MBA. The main expression of chirality in amorphous Nac-MBA is evidenced in the signature of the dielectric strength of both D and α processes
Butté, Raphaël. "Étude des propriétés structurales, optoélectroniques et de la métastabilité d'un nouveau matériau : le silicium polymorphe hydrogéné." Lyon 1, 2000. http://www.theses.fr/2000LYO10138.
Повний текст джерелаLOIRAT, YANICK. "Contribution a l'etude des mecanismes de diffusion dans les amorphes : etude theorique et experimentale de la diffusion de traceurs dans les alliages amorphes metalliques." Paris 11, 1999. http://www.theses.fr/1999PA112371.
Повний текст джерела