ETUDE DE LA REFLECTIVITE INTEGREE AUX RAYONS X ET AUX NEUTRONS PAR DES CRISTAUX REELS PDF Download
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Author: Frédéric Dunstetter
Publisher:
ISBN:
Category :
Languages : fr
Pages : 136
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Book Description
PRESENTATION DE QUELQUES RESULTATS DES THEORIES CINEMATIQUE ET DYNAMIQUE DE LA DIFFRACTION EN EVALUANT LES APPROXIMATIONS INTRODUITES. REVUE DES DIVERS ASPECTS DU PROBLEME DE L'EXTINCTION, PUIS DES PRINCIPAUX PROBLEMES DE PHYSIQUE MATHEMATIQUE LIES A LA SOLUTION DES EQUATIONS DE PROPAGATION PAR LA METHODE DES POINTS-SOURCE EN CONSIDERANT TOUTES LES REFLEXIONS MULTIPLES POSSIBLES. ENFIN, ET CECI CONSTITUE L'ESSENTIEL DU TRAVAIL, DEMONSTRATION DE LA SIMPLIFICATION, A L'AIDE DE CETTE METHODE, DU PROBLEME DES CONDITIONS AUX LIMITES ET DE L'OBTENTION DE SOLUTIONS EXACTES DANS DES SITUATIONS COMPLEXES INTERMEDIAIRES ENTRE LES GEOMETRIES DE LANE ET DE BRAGG (SEULES RESOLUES A CE JOUR); ETUDE COMPLETE DU CAS D'UN CRISTAL DE SECTION RECTANGULAIRE
Author: Frédéric Dunstetter
Publisher:
ISBN:
Category :
Languages : fr
Pages : 136
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Book Description
PRESENTATION DE QUELQUES RESULTATS DES THEORIES CINEMATIQUE ET DYNAMIQUE DE LA DIFFRACTION EN EVALUANT LES APPROXIMATIONS INTRODUITES. REVUE DES DIVERS ASPECTS DU PROBLEME DE L'EXTINCTION, PUIS DES PRINCIPAUX PROBLEMES DE PHYSIQUE MATHEMATIQUE LIES A LA SOLUTION DES EQUATIONS DE PROPAGATION PAR LA METHODE DES POINTS-SOURCE EN CONSIDERANT TOUTES LES REFLEXIONS MULTIPLES POSSIBLES. ENFIN, ET CECI CONSTITUE L'ESSENTIEL DU TRAVAIL, DEMONSTRATION DE LA SIMPLIFICATION, A L'AIDE DE CETTE METHODE, DU PROBLEME DES CONDITIONS AUX LIMITES ET DE L'OBTENTION DE SOLUTIONS EXACTES DANS DES SITUATIONS COMPLEXES INTERMEDIAIRES ENTRE LES GEOMETRIES DE LANE ET DE BRAGG (SEULES RESOLUES A CE JOUR); ETUDE COMPLETE DU CAS D'UN CRISTAL DE SECTION RECTANGULAIRE
Author: Daniel Lambert
Publisher:
ISBN:
Category :
Languages : fr
Pages :
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Book Description
EXPOSE DES CONDITIONS QUE DOIT REMPLIR UN CRISTAL POUR QUE L'ON PUISSE METTRE EN EVIDENCE L'EFFET BORRMANN AUX RAYONS X COMME AUX NEUTRONS. APPLICATION AUX CRISTAUX GDALO::(3) ET GD::(3)GA::(5)O::(12). EXPOSE DES RESULTATS DES CALCULS FAITS A PARTIR DE LA THEORIE DE KATO ET DES MESURES EXPERIMENTALES D'INTENSITES DIFFRACTEES FAITES SUR PLUSIEURS ECHANTILLONS. EXPOSE SUR LES DETECTEURS PHOTOGRAPHIQUES DE NEUTRONS
Author: M.A. Krivoglaz
Publisher:
ISBN:
Category : Cristallographie
Languages : fr
Pages : 328
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Book Description
Author: Mikhail A. Krivoglaz
Publisher:
ISBN:
Category :
Languages : en
Pages : 328
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Book Description
Author: Claude Cohen-Tannoudji
Publisher: John Wiley & Sons
ISBN: 3527345558
Category : Science
Languages : en
Pages : 790
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Book Description
This new, third volume of Cohen-Tannoudji's groundbreaking textbook covers advanced topics of quantum mechanics such as uncorrelated and correlated identical particles, the quantum theory of the electromagnetic field, absorption, emission and scattering of photons by atoms, and quantum entanglement. Written in a didactically unrivalled manner, the textbook explains the fundamental concepts in seven chapters which are elaborated in accompanying complements that provide more detailed discussions, examples and applications. * Completing the success story: the third and final volume of the quantum mechanics textbook written by 1997 Nobel laureate Claude Cohen-Tannoudji and his colleagues Bernard Diu and Franck Laloë * As easily comprehensible as possible: all steps of the physical background and its mathematical representation are spelled out explicitly * Comprehensive: in addition to the fundamentals themselves, the books comes with a wealth of elaborately explained examples and applications Claude Cohen-Tannoudji was a researcher at the Kastler-Brossel laboratory of the Ecole Normale Supérieure in Paris where he also studied and received his PhD in 1962. In 1973 he became Professor of atomic and molecular physics at the Collège des France. His main research interests were optical pumping, quantum optics and atom-photon interactions. In 1997, Claude Cohen-Tannoudji, together with Steven Chu and William D. Phillips, was awarded the Nobel Prize in Physics for his research on laser cooling and trapping of neutral atoms. Bernard Diu was Professor at the Denis Diderot University (Paris VII). He was engaged in research at the Laboratory of Theoretical Physics and High Energy where his focus was on strong interactions physics and statistical mechanics. Franck Laloë was a researcher at the Kastler-Brossel laboratory of the Ecole Normale Supérieure in Paris. His first assignment was with the University of Paris VI before he was appointed to the CNRS, the French National Research Center. His research was focused on optical pumping, statistical mechanics of quantum gases, musical acoustics and the foundations of quantum mechanics.
Author: F. P. Agterberg
Publisher: Energy, Mines and Resources Canada
ISBN: 9780660135922
Category : Science
Languages : en
Pages : 616
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Book Description
Collection of papers presented at the Colloquium, covering the broad subject areas of spatial data integration, statistical analysis of geoscience data, and quantitative stratigraphy. Working Group reports are included as well.
Author: Varley F. Sears
Publisher: New York : Oxford University Press
ISBN:
Category : Science
Languages : en
Pages : 344
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Book Description
An Introduction to the Theory of Neutron Optical Phenomena and their Applications.
Author: André Authier
Publisher: Springer Science & Business Media
ISBN: 1461558794
Category : Science
Languages : en
Pages : 419
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Book Description
This volume collects the proceedings of the 23rd International Course of Crystallography, entitled "X-ray and Neutron Dynamical Diffraction, Theory and Applications," which took place in the fascinating setting of Erice in Sicily, Italy. It was run as a NATO Advanced Studies Institute with A. Authier (France) and S. Lagomarsino (Italy) as codirectors, and L. Riva di Sanseverino and P. Spadon (Italy) as local organizers, R. Colella (USA) and B. K. Tanner (UK) being the two other members of the organizing committee. It was attended by about one hundred participants from twenty four different countries. Two basic theories may be used to describe the diffraction of radiation by crystalline matter. The first one, the so-called geometrical, or kinematical theory, is approximate and is applicable to small, highly imperfect crystals. It is used for the determination of crystal structures and describes the diffraction of powders and polycrystalline materials. The other one, the so-called dynamical theory, is applicable to perfect or nearly perfect crystals. For that reason, dynamical diffraction of X-rays and neutrons constitutes the theoretical basis of a great variety of applications such as: • the techniques used for the characterization of nearly perfect high technology materials, semiconductors, piezoelectric, electrooptic, ferroelectric, magnetic crystals, • the X-ray optical devices used in all modem applications of Synchrotron Radiation (EXAFS, High Resolution X-ray Diffractometry, magnetic and nuclear resonant scattering, topography, etc. ), and • X-ray and neutron interferometry.
Author: Agnes Buka
Publisher: World Scientific
ISBN: 1848167997
Category : Science
Languages : en
Pages : 299
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Book Description
The book intends to give a state-of-the-art overview of flexoelectricity, a linear physical coupling between mechanical (orientational) deformations and electric polarization, which is specific to systems with orientational order, such as liquid crystals. Chapters written by experts in the field shed light on theoretical as well as experimental aspects of research carried out since the discovery of flexoelectricity. Besides a common macroscopic (continuum) description the microscopic theory of flexoelectricity is also addressed. Electro-optic effects due to or modified by flexoelectricity as well as various (direct and indirect) measurement methods are discussed. Special emphasis is given to the role of flexoelectricity in pattern-forming instabilities. While the main focus of the book lies in flexoelectricity in nematic liquid crystals, peculiarities of other mesophases (bent-core systems, cholesterics, and smectics) are also reviewed. Flexoelectricity has relevance to biological (living) systems and can also offer possibilities for technical applications. The basics of these two interdisciplinary fields are also summarized.
Author: Jean Daillant
Publisher: Springer Science & Business Media
ISBN: 3540486968
Category : Science
Languages : en
Pages : 347
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Book Description
The reflection of and neutrons from surfaces has existed as an x-rays exp- imental for almost it is in the last technique fifty Nevertheless, only years. decade that these methods have become as of enormously popular probes This the surfaces and interfaces. to be due to of several appears convergence of intense different circumstances. These include the more n- availability be measured orders tron and sources that can over (so reflectivity x-ray many of and the much weaker surface diffuse can now also be magnitude scattering of thin films and studied in some the detail); growing importance multil- basic the realization of the ers in both and technology research; important which in the of surfaces and and role roughness plays properties interfaces; the of statistical models to characterize the of finally development topology its and its characterization from on roughness, dependence growth processes The of and to surface scattering experiments. ability x-rays neutro4s study four five orders of in scale of surfaces over to magnitude length regardless their and also their to ability probe environment, temperature, pressure, etc. , makes these the choice for buried interfaces often probes preferred obtaining information about the microstructure of often in statistical a global surfaces, the local This is manner to complementary imaging microscopy techniques, of such studies in the literature witnessed the veritable by explosion published the last few Thus these lectures will useful for over a resource years.
