the glass transition relaxation dynamics in liquids and disordered materials springer series in materials science

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The Glass Transition

Author : Ernst-Joachim Donth
ISBN : 9783662043653
Genre : Science
File Size : 68. 82 MB
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Describes and interrelates the following processes: cooperative alpha processes in a cold liquid, structural relaxation in the glass near Tg, the Johari-Goldstein beta process, the Williams-Götze process in a warm liquid, fast nonactivated cage rattling and boson peak, and ultraslow Fischer modes.


Author : G.S. Nolas
ISBN : 9783662045695
Genre : Technology & Engineering
File Size : 86. 48 MB
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An in-depth analysis of thermoelectric theory, an overview of present day thermoelectric materials and devices, and updated information on the most studied thermoelectric materials development. The main emphasis is on a basic understanding of the concepts as well as experimental techniques needed to propel researchers towards new and novel classes of thermoelectric materials with enhanced properties.

Dynamics In Geometrical Confinement

Author : Friedrich Kremer
ISBN : 9783319061009
Genre : Technology & Engineering
File Size : 71. 84 MB
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This book describes the dynamics of low molecular weight and polymeric molecules when they are constrained under conditions of geometrical confinement. It covers geometrical confinement in different dimensionalities: (i) in nanometer thin layers or self supporting films (1-dimensional confinement) (ii) in pores or tubes with nanometric diameters (2-dimensional confinement) (iii) as micelles embedded in matrices (3-dimensional) or as nanodroplets. The dynamics under such conditions have been a much discussed and central topic in the focus of intense worldwide research activities within the last two decades. The present book discusses how the resulting molecular mobility is influenced by the subtle counterbalance between surface effects (typically slowing down molecular dynamics through attractive guest/host interactions) and confinement effects (typically increasing the mobility). It also explains how these influences can be modified and tuned, e.g. through appropriate surface coatings, film thicknesses or pore diameters. "Dynamics in Confinement" sums up the present state-of-the-art and introduces to the analytical methods of choice for the study of dynamics in nanometer-scale confinement.

Advances In Chemical Physics

Author : Stuart A. Rice
ISBN : 9780471680741
Genre : Science
File Size : 49. 76 MB
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This series provides the chemical physics field with a forum for critical, authoritative evaluations of advances in every area of the discipline. Volume 129 in the series continues to report recent advances with significant, up-to-date chapters by internationally recognized researchers.

Zeitschrift F R Kristallographie

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ISBN : UCSD:31822020365581
Genre : Crystallography
File Size : 39. 25 MB
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American Book Publishing Record

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ISBN : UOM:39015066180459
Genre : American literature
File Size : 88. 85 MB
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Molecular Dynamics Simulations Of Disordered Materials

Author : Carlo Massobrio
ISBN : 9783319156750
Genre : Technology & Engineering
File Size : 44. 94 MB
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This book is a unique reference work in the area of atomic-scale simulation of glasses. For the first time, a highly selected panel of about 20 researchers provides, in a single book, their views, methodologies and applications on the use of molecular dynamics as a tool to describe glassy materials. The book covers a wide range of systems covering "traditional" network glasses, such as chalcogenides and oxides, as well as glasses for applications in the area of phase change materials. The novelty of this work is the interplay between molecular dynamics methods (both at the classical and first-principles level) and the structure of materials for which, quite often, direct experimental structural information is rather scarce or absent. The book features specific examples of how quite subtle features of the structure of glasses can be unraveled by relying on the predictive power of molecular dynamics, used in connection with a realistic description of forces.

Novel Approaches To The Structure And Dynamics Of Liquids Experiments Theories And Simulations

Author : Jannis Samios
ISBN : 1402018479
Genre : Science
File Size : 43. 16 MB
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Proceedings of the NATO Advanced Study Institute, Rhodes, Greece from 6 to 15 September 2002

Russian Journal Of Physical Chemistry

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ISBN : CORNELL:31924099642773
Genre : Chemistry, Physical and theoretical
File Size : 44. 70 MB
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Optical Spectroscopy Of Glasses

Author : I. Zschokke
ISBN : 9789400946507
Genre : Science
File Size : 89. 56 MB
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During the last fifteen years the field of the investigation of glasses has experienced a period of extremely rapid growth, both in the development of new theoretical ap proaches and in the application of new experimental techniques. After these years of intensive experimental and theoretical work our understanding of the structure of glasses and their intrinsic properties has greatly improved. In glasses we are con fronted with the full complexity of a disordered medium. The glassy state is characterised not only by the absence of any long-range order; in addition, a glass is in a non-equilibrium state and relaxation processes occur on widely different time scales even at low temperatures. Therefore it is not surprising that these complex and novel physical properties have provided a strong stimulus for work on glasses and amorphous systems. The strikingly different properties of glasses and of crystalline solids, e. g. the low temperature behaviour of the heat capacity and the thermal conductivity, are based on characteristic degrees of freedom described by the so-called two-level systems. The random potential of an amorphous solid can be represented by an ensemble of asymmetric double minimum potentials. This ensemble gives rise to a new class of low-lying excitations unique to glasses. These low-energy modes arise from tunneling through a potential barrier of an atom or molecule between the two minima of a double-well.

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