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Author : François Alexandre Lavergne
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (16 download)
Download or read book Dynamics of Grain Boundaries in Two-dimensional Colloidal Crystals written by François Alexandre Lavergne and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Thomas O. E. Skinner
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (16 download)
Download or read book Two-dimensional Colloid Systems written by Thomas O. E. Skinner and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The behaviour of colloidal particles in two-dimensional (2D) systems is addressed in real space and time using magnetic fields, optical tweezers and optical vi£t~(inicroscopy. First, the fluctuations of a grain boundary in a 2D colloidal crystal are analysed. A real space analogue of the capillary fluctuation method is derived and successfully employed to extract the key param- eters that characterise the grain boundary. Good agreement is also found with a fluctuation- dissipation based method recently suggested in simulation. Following on from analysis of the interface fluctuations, the properties of the individual grain boundary particles are analysed to investigate the long standing hypothesis that suggests that grain boundary particle dynam- ics are similar to those in supercooled liquids. The grain boundary particle dynamics display cage breaking at long times, highly heterogeneous particle dynamics and the formation of co- operatively moving regions along the interface, all typical behaviour of a supercooled liquid. Next, the frustration induced by confining colloidal particles inside a pentagonal environment is investigated. The state of the system is adjusted via two separate control parameters: the inter-particle interaction potential and the number density. A gradual crystalline to confined liquid-like transition is observed as the repulsive inter-particle interaction potential is decreased. In contrast, re-entrant orientational ordering and dynamical effects result as the number den- sity of the confined colloidal particles is increased. Finally, the dynamics of colloidal particles distributed amongst a random array of fixed obstacle particles is probed as a function of both the mobile particle and fixed obstacle particle number densities. Increasing the mobile and the obstacle particle number density drives the system towards a glass transition. The dynamics of the free particles are shown to behave in a similar way to the normal glass transition at low obstacle density and more analogous to a localisation glass transition at high obstacle density.
Author : Nicholas H. P. Orr
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (13 download)
Download or read book Three-dimensional Colloidal Crystals written by Nicholas H. P. Orr and published by . This book was released on 2021 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Thomas Yu-kiu Kwok
Publisher :
ISBN 13 :
Total Pages : 326 pages
Book Rating : 4.:/5 (636 download)
Download or read book Computer Molecular Dynamics Studies of Two Dimensional Grain Boundary Crystals written by Thomas Yu-kiu Kwok and published by . This book was released on 1978 with total page 326 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Thomas O. E. Skinner
Publisher :
ISBN 13 :
Total Pages : 145 pages
Book Rating : 4.:/5 (941 download)
Download or read book Two-dimensional Colloidal Systems written by Thomas O. E. Skinner and published by . This book was released on 2012 with total page 145 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Alexandros Pertsinidis
Publisher :
ISBN 13 :
Total Pages : 172 pages
Book Rating : 4.:/5 (55 download)
Download or read book Experimental Studies of Two-dimensional Colloidal Crystals written by Alexandros Pertsinidis and published by . This book was released on 2003 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Computer Simulations of Two-dimensional Colloidal Crystals in Confinement written by and published by . This book was released on 2006 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Monte Carlo simulations are used to study the effect of confinement on a crystal of point particles interacting with an inverse power law potential in d=2 dimensions. This system can describe colloidal particles at the air-water interface, a model system for experimental study of two-dimensional melting. It is shown that the state of the system (a strip of width D) depends very sensitively on the precise boundary conditions at the two ``walls'' providing the confinement. If one uses a corrugated boundary commensurate with the order of the bulk triangular crystalline structure, both orientational order and positional order is enhanced, and such surface-induced order persists near the boundaries also at temperatures where the system in the bulk is in its fluid state. However, using smooth repulsive boundaries as walls providing the confinement, only the orientational order is enhanced, but positional (quasi- ) long range order is destroyed: The mean-square displacement of two particles n lattice parameters apart in the y-direction along the walls then crosses over from the logarithmic increase (characteristic for $d=2$) to a linear increase (characteristic for d=1). The strip then exhibits a vanishing shear modulus. These results are interpreted in terms of a phenomenological harmonic theory. Also the effect of incommensurability of the strip width D with the triangular lattice structure is discussed, and a comparison with surface effects on phase transitions in simple Ising- and XY-models is made.
Author : Julien Tailleur
Publisher : Oxford University Press
ISBN 13 : 0192858319
Total Pages : 673 pages
Book Rating : 4.1/5 (928 download)
Download or read book Active Matter and Nonequilibrium Statistical Physics written by Julien Tailleur and published by Oxford University Press. This book was released on 2022-10-21 with total page 673 pages. Available in PDF, EPUB and Kindle. Book excerpt: From molecular motors to bacteria, from crawling cells to large animals, active entities are found at all scales in the biological world. Active matter encompasses systems whose individual constituents irreversibly dissipate energy to exert self-propelling forces on their environment. Over the past twenty years, scientists have managed to engineer synthetic active particles in the lab, paving the way towards smart active materials. This book gathers a pedagogical set of lecture notes that cover topics in nonequilibrium statistical mechanics and active matter. These lecture notes stem from the first summer school on Active Matter delivered at the Les Houches school of Physics. The lectures covered four main research directions: collective behaviours in active-matter systems, passive and active colloidal systems, biophysics and active matter, and nonequilibrium statistical physics--from passive to active.
Author : P.M. Duxbury
Publisher : Springer Science & Business Media
ISBN 13 : 0306456192
Total Pages : 248 pages
Book Rating : 4.3/5 (64 download)
Download or read book Dynamics of Crystal Surfaces and Interfaces written by P.M. Duxbury and published by Springer Science & Business Media. This book was released on 1997-07-31 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proceedings of a workshop held in Traverse City, Michigan, August 4-8, 1996
Author : Sharon Jane Gerbode
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (671 download)
Download or read book Colloidal Crystals written by Sharon Jane Gerbode and published by . This book was released on 2010 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Colloidal crystals, periodic arrays of micron-sized solid particles in solution, offer a unique glimpse of the particle-scale structures and dynamics within a true thermodynamic ensemble. Experimental colloidal studies of melting and crystallization [55, 56, 13, 76, 2] as well as non-equilibrium states such as colloidal glasses [67, 68, 29, 49] have uncovered numerous mechanisms that are experimentally inaccessible in atomic systems due to both small timescales and small lengthscales. The great successes of colloidal physics have emerged as a result of technological advances enabling synthesis of large batches of monodisperse spherical particles. Yet, the crystal structures formed by such particles are limited to variations on layers of close-packed spheres. Consequently, one of the current frontiers in colloidal physics is the study of novel crystal structures formed by non-spherical particles. My thesis work has focused on crystals formed by colloidal dimer particles consisting of two connected spherical lobes. Surprisingly, while the structure of two dimensional crystals formed by the dimers are quite similar to those observed for spheres, the motion of defects within the dimer crystals is significantly different. Geometric obstacles formed by interlocking dimers restrict the motion of defects and ultimately introduce a completely unexpected, previously unreported glassy defect dynamics within a colloidal crystal.
Author : Tatau Nishinaga
Publisher : Elsevier
ISBN 13 : 0444593764
Total Pages : 1216 pages
Book Rating : 4.4/5 (445 download)
Download or read book Handbook of Crystal Growth written by Tatau Nishinaga and published by Elsevier. This book was released on 2014-11-04 with total page 1216 pages. Available in PDF, EPUB and Kindle. Book excerpt: Volume IAHandbook of Crystal Growth, 2nd Edition (Fundamentals: Thermodynamics and Kinetics) Volume IA addresses the present status of crystal growth science, and provides scientific tools for the following volumes: Volume II (Bulk Crystal Growth) and III (Thin Film Growth and Epitaxy). Volume IA highlights thermodynamics and kinetics. After historical introduction of the crystal growth, phase equilibria, defect thermodynamics, stoichiometry, and shape of crystal and structure of melt are described. Then, the most fundamental and basic aspects of crystal growth are presented, along with the theories of nucleation and growth kinetics. In addition, the simulations of crystal growth by Monte Carlo, ab initio-based approach and colloidal assembly are thoroughly investigated. Volume IBHandbook of Crystal Growth, 2nd Edition (Fundamentals: Transport and Stability) Volume IB discusses pattern formation, a typical problem in crystal growth. In addition, an introduction to morphological stability is given and the phase-field model is explained with comparison to experiments. The field of nanocrystal growth is rapidly expanding and here the growth from vapor is presented as an example. For the advancement of life science, the crystal growth of protein and other biological molecules is indispensable and biological crystallization in nature gives many hints for their crystal growth. Another subject discussed is pharmaceutical crystal growth. To understand the crystal growth, in situ observation is extremely powerful. The observation techniques are demonstrated. Volume IA - Explores phase equilibria, defect thermodynamics of Si, stoichiometry of oxides and atomistic structure of melt and alloys - Explains basic ideas to understand crystal growth, equilibrium shape of crystal, rough-smooth transition of step and surface, nucleation and growth mechanisms - Focuses on simulation of crystal growth by classical Monte Carlo, ab-initio based quantum mechanical approach, kinetic Monte Carlo and phase field model. Controlled colloidal assembly is presented as an experimental model for crystal growth. Volume IIB - Describes morphological stability theory and phase-field model and comparison to experiments of dendritic growth - Presents nanocrystal growth in vapor as well as protein crystal growth and biological crystallization - Interprets mass production of pharmaceutical crystals to be understood as ordinary crystal growth and explains crystallization of chiral molecules - Demonstrates in situ observation of crystal growth in vapor, solution and melt on the ground and in space
Author : Kuang-kuo Shih
Publisher :
ISBN 13 :
Total Pages : 378 pages
Book Rating : 4.:/5 (426 download)
Download or read book Some Phenomena Related to the Grain Boundary Energy in Two-dimensional Comphene Crystals written by Kuang-kuo Shih and published by . This book was released on 1978 with total page 378 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : D. Bloor
Publisher : Springer Science & Business Media
ISBN 13 : 9401137463
Total Pages : 869 pages
Book Rating : 4.4/5 (11 download)
Download or read book The Structure, Dynamics and Equilibrium Properties of Colloidal Systems written by D. Bloor and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 869 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proceedings of the NATO Advanced Study Institute on Properties of Colloidal Systems, Aberystwyth, Wales, U.K., September 10-23, 1989
Author : Subi J George
Publisher : World Scientific
ISBN 13 : 9811211345
Total Pages : 543 pages
Book Rating : 4.8/5 (112 download)
Download or read book Advances In The Chemistry And Physics Of Materials: Overview Of Selected Topics written by Subi J George and published by World Scientific. This book was released on 2019-10-17 with total page 543 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances in the Chemistry and Physics of Materials is a compilation of topics on the recent developments in the areas of Materials Science.Materials Science has been a subject of major interest which has garnered significant attention over the years. Chemists and physicists have contributed extensively to this frontier research area and their synergistic efforts have led to the discovery of many new, exciting materials involving novel functions. In the light of the growing importance of the field of Materials Science, and owing to the fact that it is a subject that holds a lot of promise, internationally renowned Materials Chemist Prof. C.N.R Rao along with his colleagues at the School of Advanced Materials, at JNCASR, have compiled the contents of this book to highlight and showcase the emerging trends in materials science.It touches upon topics spanning over nanomaterials and various other classes of energy materials for harvesting, storage and conversion. The relatively new and exciting range of materials such as supramolecular, soft and biomaterials have been introduced and elucidated, in the book. Special emphasis has been laid on the synthesis, phenomena and characterization of these kinds of materials. Theoretical and Computational Chemistry has played an important role in the growth of Materials Science as a discipline, and the book covers a special topical session on the theoretical efforts in materials research.The book, packed with theory and practical aspects in a crisp and concise manner, aims to take the reader on an intense scientific expedition. The compilation provides an insight into the chemistry and physics of materials and presents up-to-date status reports which would, undoubtedly, be useful to practitioners, teachers and students.
Author :
Publisher : Academic Press
ISBN 13 : 012812296X
Total Pages : 1881 pages
Book Rating : 4.1/5 (281 download)
Download or read book Comprehensive Nanoscience and Nanotechnology written by and published by Academic Press. This book was released on 2019-01-02 with total page 1881 pages. Available in PDF, EPUB and Kindle. Book excerpt: Comprehensive Nanoscience and Technology, Second Edition, Five Volume Set allows researchers to navigate a very diverse, interdisciplinary and rapidly-changing field with up-to-date, comprehensive and authoritative coverage of every aspect of modern nanoscience and nanotechnology. Presents new chapters on the latest developments in the field Covers topics not discussed to this degree of detail in other works, such as biological devices and applications of nanotechnology Compiled and written by top international authorities in the field
Author : Gordon A. Bruggeman
Publisher :
ISBN 13 :
Total Pages : 25 pages
Book Rating : 4.:/5 (227 download)
Download or read book Grain Boundary Dislocations in Noncubic Crystals. I. The Model written by Gordon A. Bruggeman and published by . This book was released on 1976 with total page 25 pages. Available in PDF, EPUB and Kindle. Book excerpt: A model is developed for the dislocation structure of grain boundaries in noncubic crystals. Important differences are noted between the grain boundary dislocation (GBD) description of boundaries in cubic and noncubic crystals. In both types of crystals the GBD's are present to preserve low-engery patterns characteristic of exact coincidence-site lattices (CSL's). In cubic crystals exact three-dimensional CSL's can be found for rotations about any axis. In noncubic crystals, however, exact three-dimensional CSL's exist only in special circumstances; in general, only near-coincidence site lattices (near-CSL's) can occur in three dimensions. When only near-coincidence is possible an additional component to the GRB array is necessary to compensate for the distortion implicit in near-coincidence. In twist boundaries this additional component alters the spacing of dislocations in the screw grid. Moreover, it is impossible to obtain a twist boundary free of GBD's. The minimum dislocation content occurs at misorientations at which exact coincidence exists in a single plane parallel to the twist axis, i.e., when an exact two-dimensional CSL exists, in which case a single set of screw GBD's parallel to the plane of exact coincidence is present. In tilt boundaries two dislocation arrays may be necessary: an array of pattern-preserving dislocations and an array of misfit dislocations. The function of the former array is to preserve the low-engery coincidence pattern on either side of the GBD; the function of the misfit array is again to compensate for the distortion inherent in near-coincidence.
Author : Alberto Fernandez-Nieves
Publisher : John Wiley & Sons
ISBN 13 : 1119220521
Total Pages : 445 pages
Book Rating : 4.1/5 (192 download)
Download or read book Fluids, Colloids and Soft Materials written by Alberto Fernandez-Nieves and published by John Wiley & Sons. This book was released on 2016-04-27 with total page 445 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents a compilation of self-contained chapters covering a wide range of topics within the broad field of soft condensed matter. Each chapter starts with basic definitions to bring the reader up-to-date on the topic at hand, describing how to use fluid flows to generate soft materials of high value either for applications or for basic research. Coverage includes topics related to colloidal suspensions and soft materials and how they differ in behavior, along with a roadmap for researchers on how to use soft materials to study relevant physics questions related to geometrical frustration.
