Archive For The “Crystallography” Category
By Gautam R. Desiraju, Thomas Steiner
The susceptible or non-conventional hydrogen bond has been the topic of excessive scrutiny over contemporary years. even supposing the life of this kind of hydrogen bond used to be advised a long time in the past, examine has commonly desirous about the more advantageous and extra recognized sorts of hydrogen bonds. although, a growing to be physique of experimental and theoretical proof now confirms that hydrogen bonds like C-H...O, O-H..., C-H... or even bonds similar to O-H...metal play distinct roles in structural chemistry and biology. This ebook offers a serious evaluate of this attention-grabbing and sometimes debatable interplay kind. it is going to be an invaluable source for quite a lot of researchers in structural and supramolecular technological know-how.
By William I. F. David (auth.), Ute Kolb, Kenneth Shankland, Louisa Meshi, Anatoly Avilov, William I.F David (eds.)
The polycrystalline and nanocrystalline states play an more and more vital position in exploiting the homes of fabrics, encompassing purposes as assorted as prescribed drugs, catalysts, sun cells and effort garage. a data of the three-d atomic and molecular constitution of fabrics is key for realizing and controlling their houses, but conventional single-crystal X-ray diffraction tools lose their strength while simply polycrystalline and nanocrystalline samples can be found. it's right here that powder diffraction and single-crystal electron diffraction options take over, considerably extending the diversity of applicability of the crystallographic ideas of constitution choice.
This quantity, a set of training contributions offered on the Crystallographic path in Erice in 2011, in actual fact describes the basics and the cutting-edge of powder diffraction and electron diffraction equipment in fabrics characterisation, encompassing a various variety of disciplines and fabrics stretching from archeometry to zeolites. As such, it's a complete and worthy source for these wishing to achieve an realizing of the extensive applicability of those quickly constructing fields.
By Axel Voigt
Epitaxy is a truly energetic zone of theoretical study on account that a number of years. it really is experimentally well-explored and technologically proper for skinny movie development. lately robust numerical thoughts together with a deep knowing of the actual and chemical phenomena in the course of the progress method supply the prospect to hyperlink atomistic results on the floor to the macroscopic morphology of the movie. The target of this booklet is to summarize fresh advancements during this box, with emphasis on multiscale methods and numerical tools. It covers atomistic, step-flow, and continuum versions and gives a compact review of those methods. It additionally serves as an creation into this hugely lively interdisciplinary box of analysis for utilized mathematicians, theoretical physicists and computational fabrics scientists.
By Kurt Busch, Stefan Lölkes, Ralf B. Wehrspohn, Helmut Föll
The vast majority of the contributions during this topically edited booklet stems from the concern software SPP 1113 "Photonische Kristalle" run via the Deutsche Forschungsgemeinschaft (DFG), leading to a survey of the present nation of photonic crystal examine in Germany. the 1st a part of the e-book describes equipment for the theoretical research in their optical houses in addition to the implications. the most half is devoted to the fabrication, characterization and modeling of 2- and three-d photonic crystals, whereas the ultimate part offers a large spectrum of functions: fuel sensors, micro-lasers, and photonic crystal fibers. Illustrated in complete colour, this ebook isn't just of curiosity to complicated scholars and researchers in physics, electric engineering, and fabric technological know-how, but additionally to corporation R&D departments curious about photonic crystal-related technological advancements.
By A.W. Vere
This ebook is the second one in a sequence of clinical textbooks designed to hide advances in chosen learn fields from a simple and normal perspective, in order that basically constrained wisdom is needed to appreciate the importance of modern advancements. extra counsel for the non-specialist is supplied by means of the precis of abstracts partly 2, inclusive of a few of the significant papers released within the learn box. Crystal development of Semiconductor fabrics has been the topic of various books and studies and the elemental ideas at the moment are well-established. we're involved mainly with the deposition of atoms onto an appropriate floor - crystal development - and the new release of faults within the atomic constitution in the course of development and next cooling to room temperature - crystal illness constitution. during this booklet i've got tried to teach that while the basics of those strategies are really basic, the complexities of the interactions concerned and the uniqueness of other fabrics structures and progress techniques have ensured that experimentally verifiable predictions from clinical ideas have met with simply constrained good fortune - strong crystal progress is still an paintings. even though, contemporary advances, which come with the aid of progress temperatures, the aid or removal of reactant delivery variables and using better-controlled power assets to advertise particular reactions, are resulting in simplified progress systems.
By Henning Friis Poulsen
Three-dimensional x-ray diffraction (3DXRD) microscopy is a singular experimental approach for structural characterisation of polycrystalline fabrics. the placement, morphology, part, pressure and crystallographic orientation of 1000's of grains or sub-grain embedded inside of mm-cm thick specimens could be decided concurrently. moreover, the dynamics of the person structural components should be monitored in the course of average approaches corresponding to deformation or annealing.
The booklet supplies a entire account of the method by way of a precis of chosen functions. the strategy is gifted from a mathematical/crystallographic point-of-view yet with adequate hands-on information to permit the reader to devise his or her personal experiments. The scope of purposes contains paintings in fabrics technological know-how and engineering, geophysics, geology, chemistry and pharmaceutical science.
By Kazuaki Sakoda
This ebook is the 1st accomplished textbook at the optical houses of photonic crystals. It offers not just with the homes of the radiation modes contained in the crystals but in addition with their abnormal optical reaction to exterior fields. A common concept of linear and nonlinear optical reaction is given in a transparent and distinctive style utilizing Green's functionality technique. The symmetry of the eigenmodes is taken care of systematically utilizing workforce conception to teach the way it impacts the optical houses of photonic crystals. very important contemporary advancements akin to the enhancement of encouraged emissions, moment harmonic new release, quadrature-phase squeezing, and low-threshold lasing also are handled intimately and made comprehensible. Numerical tools also are emphasised. hence this bookprovides either introductory wisdom for graduate and undergraduate scholars and likewise very important rules for researchers during this box.
By A L Zhilyaev, A I Pshenichnyuk
Superplasticity is a kingdom within which strong crystalline fabrics, corresponding to a few fine-grained metals, are deformed well past their traditional verge of collapse. The phenomenon is of value in methods comparable to superplastic forming which permits the manufacture of advanced, high quality parts in such parts as aerospace and biomedical engineering. Superplasticity and grain obstacles in ultrafine-grained materials discusses a few difficulties linked to grain barriers in steel polycrystalline fabrics. The authors discover the position of grain barriers in procedures resembling grain boundary diffusion, leisure and grain growth. Chapters concentrate on the formation and evolution of the microstructure, texture and ensembles of grain obstacles in fabrics produced by means of serious plastic deformation. Written by way of major specialists within the field, Superplasticity and grain limitations in ultrafine-grained materials significantly advances our realizing of this crucial occurance.
By Duncan E. McRee, Peter R. David
Designed for simple use via either starting and skilled protein crystallographers, the second one version of useful Protein Crystallography is a necessary instruction manual for any scientist attracted to fixing a protein constitution. The ebook contains examples of exact experiments and knowledge, electron density maps, and desktop tools. This moment version has new fabric protecting CCP4, SHELX, cryocrystallography, MAD and automatic becoming. Key beneficial properties* In-depth assurance of each point of crystallography* insurance of the small information which may make or holiday initiatives* Strongly application-oriented* awfully good illustrated* basic and easy-to-follow strong equipment* Tutorials with genuine information on hand on the net* beneficial for a wide spectrum of scientists
By Manes L. Actinides