ETUDE A BASSE TEMPERATURE DES BANDES D'ABSORPTION INFRA-ROUGE DUES AUX DEFAUTS DANS LE SILICIUM IRRADIE AUX NEUTRONS PDF Download
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Book Description
ETUDE SYSTEMATIQUE DES CONDITIONS D'OBSERVATION DES BANDES A 0,343 EV-0,359 EV ET 0,375 EV. IDENTIFICATION DU DEFAUT A L'ORIGINE DE CES DERNIERES TRANSITIONS. COMPREHENSION DU COMPORTEMENT DE LA DILACUNE EN ABSORPTION INFRAROUGE
Book Description
ETUDE SYSTEMATIQUE DES CONDITIONS D'OBSERVATION DES BANDES A 0,343 EV-0,359 EV ET 0,375 EV. IDENTIFICATION DU DEFAUT A L'ORIGINE DE CES DERNIERES TRANSITIONS. COMPREHENSION DU COMPORTEMENT DE LA DILACUNE EN ABSORPTION INFRAROUGE
Book Description
ETUDE DES DEFAUTS D'IRRADIATION DANS LES DEUX MATERIAUX DU TITRE: IRRADIATION DE IR PAR DES ELECTRONS RAPIDES A BASSE TEMPERATURE, IRRADIATION DE IR A BASSE TEMPERATURE PAR LES NEUTRONS D'UN REACTEUR, IRRADIATION DE NB::(3)GE PAR DES NEUTRONS RAPIDES ET DES FRAGMENTS DE FISSION
Author: Mohammed Arroume Publisher: ISBN: Category : Languages : fr Pages : 268
Book Description
L'étude du profil d'une bande d'absorption infrarouge d'une petite molécule en solution liquide permet de suivre l'évolution temporelle de son mouvement réorientationnel. Dans ce travail nous avons enregistré, en fonction de la température, la bande «nu trois» du dioxyde de carbone et du protoxyde d'azote dissous dans une série d'alcanes. Les résultats ont démontré un élargissement de la bande d'absorption avec la température et une diminution correspondante du temps d'autocorrélation. de plus, le temps d'autocorrélation diminue avec le nombre d'atomes de carbone dans la série d'alcanes normaux. Les résultats obtenus dans ce travail sont en général en accord avec la théorie existante, cependant certains limitations dans cette dernière ont été constatées. Dans un essai théorique, nous avons abordé le développement d'un modèle mathématique du profil de bande afin d'améliorer le traitement des données expérimentales
Author: Agnes Buka Publisher: World Scientific ISBN: 1848167997 Category : Science Languages : en Pages : 299
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: Jerome V. Moloney Publisher: Springer Science & Business Media ISBN: 9780387985817 Category : Business & Economics Languages : en Pages : 270
Book Description
Mathematical methods play a significant role in the rapidly growing field of nonlinear optical materials. This volume discusses a number of successful or promising contributions. The overall theme of this volume is twofold: (1) the challenges faced in computing and optimizing nonlinear optical material properties; and (2) the exploitation of these properties in important areas of application. These include the design of optical amplifiers and lasers, as well as novel optical switches. Research topics in this volume include how to exploit the magnetooptic effect, how to work with the nonlinear optical response of materials, how to predict laser-induced breakdown in efficient optical devices, and how to handle electron cloud distortion in femtosecond processes.
Author: David Adler Publisher: Springer Science & Business Media ISBN: 1489922601 Category : Science Languages : en Pages : 448
Book Description
The Institute for Amorphous Studies was founded in 1982 as the international center for the investigation of amorphous mate rials. It has since played an important role in promoting the und er standing of disordered matter in general. An Institute lecture series on "Fundamentals of Amorphous Materials and Devices" was held during 1982-83 with distinguished speakers from universities and industry. These events were free and open to the public ,and were attended by many representatives of the scientific community. The lectures themselves were highly successful inasmuch as they provided not only formal instruction but also an opportunity for vigorous and stimulating debate. That last element could not be captured within the pages of a book I but the lectures concentrated on the latest advances in the field I which is why their essential contents are he re reproduced in collective form. Together they constitute an interdisciplinary status report of the field. The speakers brought many different viewpoints and a variety of back ground experiences io bear on the problems involved I but though language and conventions vary I the essential unity of the concerns is very clear I as indeed are the ultimate benefits of the many-sided approach.
Author: T. F. Connolly Publisher: Springer Science & Business Media ISBN: 1468462075 Category : Science Languages : en Pages : 115
Book Description
Since 1963 the Research Materials Information Center has been answering inquiries on the availability, preparation, and properties of ultrapure inorganic research specimens. It has been possible to do this with reasonable efficiency by searching an automated coded microfilm collection of the report and open literature and of data sheets and question naires provided by commercial and research producers of pure materials. With the growth of the collection to over 70,000 documents and the increase in the demand for more general background information, it has been necessary to compile bibliographies on an increasing variety of subjects. These have been used as indexes to the microfilmed documents for more efficient searching, and in the past distributed in response to individual requests. However, their size and number no longer permit so casual and uneconomic a method of distribution. The "ORNL Solid State Physics Literature Guides" is a practical alternative. Organization The subject organization of the bibliography is given by the Table of Contents. Each section is preceded by a collection of reviews, bibliographies, and "general" papers (i.e., those dealing with methods or equipment rather than single materials, or with such a wide variety of materials that no subsection was appropriate). Coverage is generally from 1960 to mid-1970. Emphasis is on inorganic materials.
Author: FRANCELINE.. CARTON MERLET
Author: FRANCELINE.. CARTON MERLET
Author: Peter Seyfert
Author: MARIE-HELENE.. GELY
Author: Mohammed Arroume
Author: Bassam Massarani
Author: Agnes Buka
Author: Faye H. Horn
Author: Jerome V. Moloney
Author: David Adler
Author: T. F. Connolly