By Anatoly Agulyansky
Digital, optical, mechanical and scientific home equipment are only a couple of examples of recent purposes that use tantalum and niobium. In Chemistry of Tantalum and Niobium Fluoride Compounds, the writer attracts on thirty years' adventure to provide the 1st ever monograph to systemize and summarize the knowledge to be had on tantalum and niobium fluoride compounds. This entire reference resource bargains a wealthy number of examine method and is beneficial to researchers interpreting the chemistry of fluorides, in addition to academics and scholars in chemistry and metallurgy. * Collects the newest learn at the chemistry of complicated fluorides and oxyfluorides of Tantalum and Niobium.* Covers either conception and alertness of Tantalum and Niobium Fluoride Chemistry* is appropriate for tantalum and niobium manufacturers, researchers learning the chemistry of fluorides, in addition to academics and scholars in chemistry and metallurgy
By Joel Bernstein
Preface ; 1. creation and old historical past ; 2. basics ; three. Controlling the polymorphic shape bought ; four. Analytical equipment for characterizing polymorphs ; five. Conformational polymorphism - intra- and intermolecular energetics ; 6. Polymorphism and structure-property kinfolk ; 7. Polymorphism of prescribed drugs ; eight. Polymorphism in pigments and dyes ; nine. Polymorphism of excessive strength fabrics ; 10. Polymorphism and patents ; Bibliography ; Index
By Girma Biresaw
content material: Lubrication with liquid crystals / Jacques Cognard --
Numerical research of layered liquid crystals in a skinny wedge / Younchul Rhim and John A. Tichy --
Spectral adjustments of liquid crystals present process shear in a simulated bearing / James L. Lauer, younger J. Ahn, and Traugott E. Fischer --
Temperature results at the tribological houses of thermotropic liquid crystals / Girma Biresaw and Dianne A. Zadnik --
impact of liquid-crystalline constructions on lubrication of aluminum surfaces / ok. Kumar and D.O. Shah --
Lyotropic liquid crystals in lubrication / Stig E. Friberg, Anthony J. Ward, Selda Gunsel, and Francis E. Lockwood --
movie thickness and frictional habit of a few liquid crystals in centred element contacts / H.S. Lee, S.H. Winoto, W.O. Winer, Miin Chiu, and Stig E. Friberg.
By C. Janot
In 1984, physicists chanced on a unconditionally unforeseen kind of matter--a constitution that looked as if it would comprise five-fold symmetry axes, which can't exist in strictly periodic structures--that turned referred to as quasicrystals. on the way to comprehend those constructions, a conception that hired better dimensional area teams used to be conceived, permitting the construction of latest alloy stages that exhibited the houses anticipated from this version. Now in its moment version, Quasicrystals: A Primer bargains an up to date and obtainable creation to the topic for college kids imminent it for the 1st time. offering vigorous remedies of a variety of sensible, experimental, and theoretical themes, the booklet has been thoroughly up to date to mirror the newest advances in quasicrystal study and alertness. useful challenge units and a working laptop or computer software that generates a Penrose lattice are incorporated in addition. scholars and researchers in fabrics technology, crystallography, and condensed subject physics will welcome this new version of a reliable, common survey of an enormous subject in crystallography.
By Uri Shmueli
The overall objective of quantity B is to supply the user/reader with efficient and invaluable bills of the varied features of reciprocal area in crystallographic learn. a number of chapters were revised and up to date for the second one version, and 5 new chapters were extra (see Contents below). After an introductory bankruptcy, half 1 offers the reader with an account of structure-factor formalisms, an intensive therapy of the speculation, algorithms and crystallographic functions of Fourier tools, and primary in addition to complicated remedies of symmetry in reciprocal space.In half 2, those normal debts are by means of targeted expositions of crystallographic facts, the speculation of direct equipment, Patterson innovations, isomorphous alternative and anomalous scattering, and coverings of the function of electron microscopy and diffraction in crystal constitution selection, together with purposes of direct the right way to electron crystallography. half three bargains with functions of reciprocal area to molecular geometry and 'best'-plane calculations, and includes a remedy of the rules of molecular photographs and modelling and their functions; it concludes with the presentation of a convergence-acceleration approach to value within the computation of approximate lattice sums. half four includes remedies of assorted diffuse-scattering phenomena coming up from crystal dynamics, illness and coffee dimensionality (liquid crystals), and an exposition of the underlying theories and/or experimental proof. the recent additions to this half are remedies of polymer crystallography and of reciprocal-space pictures of aperiodic crystals. half five of the amount includes introductory treatmentsof the speculation of the interplay of radiation with topic (dynamical concept) as utilized to X-ray, electron and (new for the second one variation) neutron diffraction concepts. you will need to word that the simplified trigonometric expressions for the constitution elements within the 230 3-dimensional area teams, which seemed in quantity I of overseas Tables of X-ray Crystallography, can now be present in Appendix 1.4.3 to bankruptcy 1.4 of quantity B. the quantity is an important addition to the library of scientists engaged in crystal constitution choice, crystallographic computing, crystal physics and different fields of crystallographic examine. Graduate scholars focusing on crystallography will locate a lot fabric appropriate for self-study and a wealthy resource of references to the proper literature.
By L. A. Feigin, D. I. Svergun (auth.), George W. Taylor (eds.)
Small-angle scattering of X rays and neutrons is a regular diffraction process for learning the constitution of topic. this system of elastic scattering is utilized in numerous branches of technological know-how and know-how, includ ing condensed subject physics, molecular biology and biophysics, polymer technological know-how, and metallurgy. Many small-angle scattering stories are of price for natural technological know-how and useful functions. it truly is popular that the main basic and informative process for investigating the spatial constitution of subject is predicated on wave-diffraction phenomena. In diffraction experiments a first-rate beam of radiation impacts a studied item, and the scattering trend is analyzed. In precept, this research permits one to procure details at the constitution of a substance with a spatial answer made up our minds via the wavelength of the radiation. Diffraction tools are used for learning topic on all scales, from simple debris to macro-objects. using X rays, neutrons, and electron beams, with wavelengths of approximately 1 A, allows the examine of the condensed country of topic, solids and drinks, all the way down to atomic answer. choice of the atomic constitution of crystals, i.e., the association of atoms in a unit mobilephone, is a crucial instance of this line of investigation.
By Professor Dr. Alexander I. Kitaigorodsky (auth.)
The two-word identify of this booklet can simply provide a sign approximately its content material and method of the topic it offers with. during time, the time period has steadily develop into a little bit blurred. the reason being effortless to work out: comparable difficulties at the moment are an increasing number of often studied via diversified branches of average technological know-how. The time period "mixed crystals" has obtained particular connotations in physics, chemistry, biology, and geology. One and a similar time period can now function a reputation for issues that are both no longer particularly an analogous or occasionally fairly varied. And this is often accurately what occurred to the 2 phrases within the identify of the booklet. one in every of them, the time period "crystal", for which crystallography had an un ambiguous definition, is now hired by way of biologists to explain the constitution of phone membranes and by way of chemists who use it to indicate levels of polymer crystallinity. "Crystal" has hence turn into a huge time period that could aid describe any sturdy, or simply a condensed nation of a substance, if the cast has a suf ficient measure of order within the association of its parts. however the ebook is termed "~lixed Crystals". the opposite observe in its name, the adjective "mixed", has additionally built numerous meanings. it's now idea ap plicable to either homogeneous and heterogeneous structures, that's, to crystals composed of alternative molecules and in addition to solids which are a mix of crys tals with diversified structures.
By Sven T. Lagerwall
The examine of ferroelectricity is a department of reliable kingdom physics which has proven quick progress throughout the fresh years. Ferroelectric fabrics show strange electrical houses which lead them to priceless in glossy (opto)electronic know-how, esp. reveal technology.
Ferroelectric and antiferroelectric liquid crystals, together with additionally quite a few polymer varieties, are the most popular examine subject this day in liquid crystals. the sphere is on the very starting of business exploitation - a delicate part during which a superb reference paintings is required and may have a large spectrum of readers either at universities and in undefined.
Chapter 1 advent (pages 1–6):
Chapter 2 Polar fabrics and results (pages 7–55):
Chapter three the mandatory stipulations for Macroscopic Polarization (pages 57–91):
Chapter four The Flexoelectric Polarization (pages 93–114):
Chapter five The SmA*? SmC* Transition and the Helical C* kingdom (pages 115–168):
Chapter 6 Electrooptics within the Surface?Stabilized nation (pages 169–191):
Chapter 7 Dielectric Spectroscopy: to discover the and Tensor elements (pages 199–214):
Chapter eight FLC machine buildings and Local?Layer Geometry (pages 215–239):
Chapter nine FLC units (pages 241–262):
Chapter 10 electronic gray and colour (pages 263–273):
Chapter eleven Elastic houses of Smectics (pages 275–300):
Chapter 12 Smectic Elasticity utilized to SSFLC Cells (pages 301–324):
Chapter thirteen Antiferroelectric Liquid Crystals (pages 325–400):
Chapter 14 present tendencies and Outlook (pages 401–404):
By Hellmut G. Karge, Jens Weitkamp, P. Anderson, H.K. Beyer, P. Gallezot, R. Harjula, H.G. Karge, U. Rymsa, G. Schulz-Ekloff, R.P. Townsend, M. Wark, J. Weitkamp
This entire sequence covers the technological know-how and expertise of zeolites and all comparable microporous and mesoporous fabrics. Authored by means of popular specialists, quantity three offers with the main greatly hired thoughts for the post-synthesis amendment of molecular sieves.