Flexoelectricity in Liquid Crystals

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Publisher : World Scientific
ISBN 13 : 1848167997
Total Pages : 299 pages
Book Rating : 4.8/5 (481 download)

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Book Synopsis Flexoelectricity in Liquid Crystals by : Agnes Buka

Download or read book Flexoelectricity in Liquid Crystals written by Agnes Buka and published by World Scientific. This book was released on 2013 with total page 299 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

ZnO Thin Films

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Publisher :
ISBN 13 : 9781536160864
Total Pages : 0 pages
Book Rating : 4.1/5 (68 download)

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Book Synopsis ZnO Thin Films by : Paolo Mele

Download or read book ZnO Thin Films written by Paolo Mele and published by . This book was released on 2019 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Zinc oxide (ZnO) is an n-type semiconductor with versatile applications such as optical devices in ultraviolet region, piezoelectric transducers, transparent electrode for solar cells and gas sensors. This book "ZnO Thin Films: Properties, Performance and Applications" gives a deep insight in the intriguing science of zinc oxide thin films. It is devoted to cover the most recent advances and reviews the state of the art of ZnO thin films applications involving energy harvesting, microelectronics, magnetic devices, photocatalysis, photovoltaics, optics, thermoelectricity, piezoelectricity, electrochemistry, temperature sensing. It serves as a fundamental information source on the techniques and methodologies involved in zinc oxide thin films growth, characterization, post-deposition plasma treatments and device processing. This book will be invaluable to the experts to consolidate their knowledge and provide insight and inspiration to beginners wishing to learn about zinc oxide thin films.

Nonlinear Optical Materials

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Publisher : Springer Science & Business Media
ISBN 13 : 9780387985817
Total Pages : 270 pages
Book Rating : 4.9/5 (858 download)

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Book Synopsis Nonlinear Optical Materials by : Jerome V. Moloney

Download or read book Nonlinear Optical Materials written by Jerome V. Moloney and published by Springer Science & Business Media. This book was released on 1998-08-13 with total page 270 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Raman Spectroscopy Applied to Earth Sciences and Cultural Heritage

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Publisher : The Mineralogical Society of Great Britain and Ireland
ISBN 13 : 0903056313
Total Pages : 519 pages
Book Rating : 4.9/5 (3 download)

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Book Synopsis Raman Spectroscopy Applied to Earth Sciences and Cultural Heritage by : J. Dubessy

Download or read book Raman Spectroscopy Applied to Earth Sciences and Cultural Heritage written by J. Dubessy and published by The Mineralogical Society of Great Britain and Ireland. This book was released on 2012-11-20 with total page 519 pages. Available in PDF, EPUB and Kindle. Book excerpt: Spectroscopic methods such as Raman are used to investigate the structure and dynamics of matter. They are essential for the study of the different types of mineral or organic materials produced at the Earths surface or interior. As a result of technological improvements in gratings, detectors, filters and personal computers in the last decade, many micro-Raman spectrometers have become plug-and-play instruments, very easy to use and available at a lower cost than the early Raman microprobes. Thus, many laboratories in Earth Sciences and Cultural Heritage are equipped with these new spectrometers. Commercial, portable Raman spectrometers working in the field have also contributed to the spread of Raman spectroscopy. Poor levels of education in terms of Raman spectroscopy in undergraduate courses in Earth Sciences make it difficult for individuals to obtain information of the highest quality relevant to Earth sciences and Cultural Heritage. This volume is, therefore, timely. Four main topics are addressed: Theory; Methodology, including the instrumentation; Experimental aspects; and Application.

Raman Spectroscopy in Archaeology and Art History

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Publisher : Royal Society of Chemistry
ISBN 13 : 0854045228
Total Pages : 497 pages
Book Rating : 4.8/5 (54 download)

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Book Synopsis Raman Spectroscopy in Archaeology and Art History by : Howell G. M. Edwards

Download or read book Raman Spectroscopy in Archaeology and Art History written by Howell G. M. Edwards and published by Royal Society of Chemistry. This book was released on 2005 with total page 497 pages. Available in PDF, EPUB and Kindle. Book excerpt: Raman Spectroscopy in Archaeology and Art History highlights the important contributions Raman spectroscopy makes as a non-destructive method for characterising the chemical composition and structure and in determining the provenance and authenticity of objects of archaeological and historical importance. It brings together studies from diverse areas and represents the first dedicated work on the use of this technique in this increasingly important field. Coverage includes: An Introduction to Raman Spectroscopy, including practical aspects of Raman spectroscopy and complementary techniques; Dyes and Pigments; Artefacts; Biological Materials and Degradation; Jewellery and Precious Stones. The book contains a broad selection of real-world examples in the form of case studies to provide the reader with a true appreciation of the procedures that need to be invoked to derive spectroscopic information from some of the most challenging specimens and systems. Colour illustrations of objects of investigation and a database of 72 Raman spectra of relevant minerals are included. With its extensive examples, Raman Spectroscopy in Archaeology and Art History will be of particular interest to specialists in the field, including researchers and scientific/conservation staff in museums. Academics will find it an invaluable reference to the use of Raman spectroscopy.

Raman Spectroscopy in Archaeology and Art History

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Publisher : Royal Society of Chemistry
ISBN 13 : 1788011384
Total Pages : 368 pages
Book Rating : 4.7/5 (88 download)

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Book Synopsis Raman Spectroscopy in Archaeology and Art History by : Peter Vandenabeele

Download or read book Raman Spectroscopy in Archaeology and Art History written by Peter Vandenabeele and published by Royal Society of Chemistry. This book was released on 2018 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt: Volume 1. Ramen spectroscopy allows the non-destructive examination of objects of archaeological and historical importance to characterise their chemical composition and structure and help determine their provenance. The authors give an explanation of Raman spectroscopy and an introduction to the techniques used. Seventeen case studies are given to show work on : dyes and pigments ; artefacts ; biological materials and degradation ; and jewellery and precious stones. It also describes a database of 74 Raman spectra of standard minerals of relevance to metal corrosion, stained glass, and prehistoric rock art.

La microstructure des aciers et des fontes

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Publisher : L'Editeur : EDP Sciences
ISBN 13 : 9782906643277
Total Pages : 400 pages
Book Rating : 4.6/5 (432 download)

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Book Synopsis La microstructure des aciers et des fontes by : Madeleine Durand-Charre

Download or read book La microstructure des aciers et des fontes written by Madeleine Durand-Charre and published by L'Editeur : EDP Sciences. This book was released on 2003 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt: La microstructure des aciers et des fontes est une monographie sur la genèse et l'interprétation de la microstructure des aciers et des alliages à base fer. Ses 400 pages sont illustrées par de nombreuses micrographies d'alliages commerciaux ou d'alliages modèles à toutes les échelles disponibles avec les moyens d'investigation modernes de microscopie électronique, sans oublier la macro/microscopie optique. La première partie du livre est une introduction historique sur l'évolution des structures métallurgiques forgées manuellement depuis la connaissance du fer, en particulier les fameuses structures dites damassées. Le livre expose en deuxième partie les notions fondamentales de façon à fournir toutes les bases de raisonnement nécessaires sur les équilibres de phases et la cinétique des transformations. Concernant les équilibres de phases, de nombreux diagrammes sont inclus dans leur version la plus récente. La lecture des systèmes ternaires est analysée à propos de six systèmes représentatifs des réactions rencontrées dans les aciers, Fe-Cr-C, Fe-Ni-Cr, Fe-Mn-S, Fe-Co-Cu, Fe-Mo-Cr et Fe-C-V. Les structures de solidification sont étudiées à travers tous les cas classiques mais aussi dans d'autres moins banals comme les marquages des réactions péritectique ou métatectique ou des cascades de transformations. Les transformations en phase solide sont illustrées et commentées à l'aide des interprétations récentes, en particulier dans le cas des structures bainitiques. De nombreuses références permettent d'approfondir les aspects non développés. La troisième partie est un guide pour comprendre et discuter sur des bases scientifiques le rôle des éléments d'alliage et celui des divers traitements spécifiques aboutissant à l'optimisation des aciers et des fontes, définir les caractéristiques micrographiques en relation avec les propriétés d'emploi. Les aciers sont classés en familles depuis les aciers très peu alliés jusqu'à des aciers à fortes teneurs en éléments d'alliage résultant d'un ajustement de composition très pointue. Les fontes sont présentées naturellement en fonction de leur microstructure, classées en fontes blanches, grises lamellaires et nodulaires.

Raman Spectroscopy in Cultural Heritage Preservation

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Author :
Publisher : Springer Nature
ISBN 13 : 3031143795
Total Pages : 520 pages
Book Rating : 4.0/5 (311 download)

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Book Synopsis Raman Spectroscopy in Cultural Heritage Preservation by : Howell G. M. Edwards

Download or read book Raman Spectroscopy in Cultural Heritage Preservation written by Howell G. M. Edwards and published by Springer Nature. This book was released on 2022-10-13 with total page 520 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book addresses the application of Raman spectroscopic techniques to a range of diverse problems which arise in the study, conservation and restoration of artefacts and sites closely related to our cultural heritage as well as in authentication. These themes are naturally wider than what at first might be considered as artworks and archaeological artefacts and the topics include pigments, paintings, ceramics, glass, sculpture and patination / corrosion, textiles, industrial archaeology, the degradation and preservation of biomaterials, mummies and human skeletal remains. An interesting feature is the inclusion of modern case studies which describe specific problems and approaches to the Raman spectral analysis of items important to our cultural heritage. The text is prefaced with an introduction to the important parameters used in nondestructive Raman measurements and also highlights some future applications based upon novel miniaturised instrumentation for in-field studies and potential screening work which will identify specimens which would repay further studies in the laboratory. An attempt is made to give a snapshot of the state-of-the-art evolution since the beginning of the technique (1970s) and to point out potential further development. The book is co-edited by three international experts with many years' experience in the application of Raman spectroscopy to artworks, archaeological artefacts and in the investigation of materials and sites for cultural heritage preservation and each editor has undertaken to write individual chapters and different topics personally. The adopted approach is designed to convey the sort of information which has become available from the adoption of analytical Raman spectroscopy to different problems in the field of cultural heritage preservation through the spectral interrogation of artefacts and how the interpretation of the spectral data can assist museum curators, archaeologists and cultural heritage historians in the preservation and conservation of ancient materials and sites : a particular advantage in this respect is the ability of Raman spectroscopy to determine –generally in a strictly noninvasive procedure - at the laboratory or on-site with mobile instruments, the presence of both organic and inorganic components in a particular specimen together nondestructively without any chemical and mechanical pretreatment being undertaken, which is an essential requirement for rare and valuable samples . An important aside from this work is the means of spectral identification of ongoing biodeterioration and biological colonisation in specimens in storage and the effects of environmental deterioration such as humidity and temperature upon their integrity.

Raman Spectroscopic Study of High Temperature Rare Earth Metal - Rare Earth Halide Solutions

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Publisher :
ISBN 13 :
Total Pages : 143 pages
Book Rating : 4.:/5 (314 download)

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Book Synopsis Raman Spectroscopic Study of High Temperature Rare Earth Metal - Rare Earth Halide Solutions by : Verónica Maria Rodríguez Betancourtt

Download or read book Raman Spectroscopic Study of High Temperature Rare Earth Metal - Rare Earth Halide Solutions written by Verónica Maria Rodríguez Betancourtt and published by . This book was released on 2003 with total page 143 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Etude par spectroscopie Raman résonnante des semiconducteurs organiques

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Publisher :
ISBN 13 :
Total Pages : 614 pages
Book Rating : 4.:/5 (421 download)

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Book Synopsis Etude par spectroscopie Raman résonnante des semiconducteurs organiques by : Nguyen Thi Truong Kim Doan

Download or read book Etude par spectroscopie Raman résonnante des semiconducteurs organiques written by Nguyen Thi Truong Kim Doan and published by . This book was released on 1982 with total page 614 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Tableaux de résistance à la corrosion des alliages cuivreux de fonderie dans différents milieux

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Publisher :
ISBN 13 : 9782711900039
Total Pages : 85 pages
Book Rating : 4.9/5 ( download)

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Book Synopsis Tableaux de résistance à la corrosion des alliages cuivreux de fonderie dans différents milieux by : Deutsches Kupfer-Institut (Düsseldorf, Allemagne).

Download or read book Tableaux de résistance à la corrosion des alliages cuivreux de fonderie dans différents milieux written by Deutsches Kupfer-Institut (Düsseldorf, Allemagne). and published by . This book was released on 1972 with total page 85 pages. Available in PDF, EPUB and Kindle. Book excerpt: