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Neutron Spin Echo
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Book Synopsis Neutron Spin Echo Spectroscopy by : Ferenc Mezei
Download or read book Neutron Spin Echo Spectroscopy written by Ferenc Mezei and published by Springer. This book was released on 2008-01-11 with total page 355 pages. Available in PDF, EPUB and Kindle. Book excerpt: Neutron spin echo (NSE) spectroscopy is the highest energy resolution neutron scattering technique available for examining a large area (in time and space) in condensed matter physics. This broad dynamic and spatial range is extensively exploited in the study of a wide range of scientific problems ranging from the dynamics of glasses, polymer melts, complex fluids and microemulsions to the elementary excitations in superfluid 4He and to ferromagnets and spin glasses. This book reviews the current status and future prospects in NSE spectroscopy describing the method, latest instrumentation and also the use of NSE in fundamental, hard- and soft-matter science. It provides first-hand information for researchers working in the fields touched by NSE. In addition, young researchers, PhD students and graduates interested in the method will obtain a comprehensive overview and guidelines to implementing the NSE technique.
Book Synopsis Neutron Spin Echo in Polymer Systems by : Dieter Richter
Download or read book Neutron Spin Echo in Polymer Systems written by Dieter Richter and published by Springer. This book was released on 2005-03-31 with total page 255 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Neutron Spin Echo in Polymer Systems by : Dieter Richter
Download or read book Neutron Spin Echo in Polymer Systems written by Dieter Richter and published by Springer Science & Business Media. This book was released on 2005-04-11 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt: 1 Introduction.- 2 Neutron Scattering and Neutron Spin Echo.- 3 Large Scale Dynamics of Homopolymers.-
Book Synopsis Neutron Spin Echo Spectroscopy by : Ferenc Mezei
Download or read book Neutron Spin Echo Spectroscopy written by Ferenc Mezei and published by Springer. This book was released on 2002-12-19 with total page 350 pages. Available in PDF, EPUB and Kindle. Book excerpt: Neutron spin echo (NSE) spectroscopy is the highest energy resolution neutron scattering technique available for examining a large area (in time and space) in condensed matter physics. This broad dynamic and spatial range is extensively exploited in the study of a wide range of scientific problems ranging from the dynamics of glasses, polymer melts, complex fluids and microemulsions to the elementary excitations in superfluid 4He and to ferromagnets and spin glasses. This book reviews the current status and future prospects in NSE spectroscopy describing the method, latest instrumentation and also the use of NSE in fundamental, hard- and soft-matter science. It provides first-hand information for researchers working in the fields touched by NSE. In addition, young researchers, PhD students and graduates interested in the method will obtain a comprehensive overview and guidelines to implementing the NSE technique.
Book Synopsis Neutron Spin Echo Spectroscopy Viscoelasticity Rheology by :
Download or read book Neutron Spin Echo Spectroscopy Viscoelasticity Rheology written by and published by Springer. This book was released on 2003-09-05 with total page 253 pages. Available in PDF, EPUB and Kindle. Book excerpt: Viscoelasticandtransportpropertiesofpolymersintheliquid(solution,melt)or liquid-like (rubber) state determine their processing and application to a large extent and are of basic physical interest [1—3]. An understanding of these dynamic properties at a molecular level, therefore, is of great importance. However,thisunderstandingiscomplicatedbythefactsthatdi?erentmotional processes may occur on di?erent length scales and that the dynamics are governed by universal chain properties as well as by the special chemical structure of the monomer units [4,5]. The earliest and simplest approach in this direction starts from Langevin equations with solutions comprising a spectrum of relaxation modes [1—4]. Special features are the incorporation of entropic forces (Rouse model, [6]) which relax uctuations of reduced entropy, and of hydrodynamic interactions (Zimm model, [7]) which couple segmental motions via long-range back ow elds in polymer solutions, and the inclusion of topological constraints or entanglements (reptation or tube model, [8—10]) which are mutually imposed within a dense ensemble of chains. Another approach, neglecting the details of the chemical structure and concentratingontheuniversalelementsofchainrelaxation,isbasedondynamic scalingconsiderations[4,11].Inparticularinpolymersolutions,thisapproach o?ers an elegant tool to specify the general trends of polymer dynamics, although it su?ers from the lack of a molecular interpretation. A real test of these theoretical approaches requires microscopic methods, which simultaneously give direct access to the space and time evolution of the segmental di?usion. Here, quasi-elastic scattering methods play a crucial role sincetheyallowthemeasurementofthecorrespondingcorrelationfunctions.In particular,thehigh-resolutionneutronspinecho(NSE)spectroscopy[12—15]is very suitable for such investigations since this method covers an appropriate range in time (0.005)t/ns)40) and space (r/nm [15). Furthermore, the possibilityoflabellingbyhydrogen-deuteriumexchangeallowstheobservation of single-chain behavior even in the melt.
Book Synopsis Neutron Spin Echo in Polymer Systems by : Dieter Richter
Download or read book Neutron Spin Echo in Polymer Systems written by Dieter Richter and published by . This book was released on 2005 with total page 245 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Neutron Spin Echo in Polymer Systems by : Dieter Richter
Download or read book Neutron Spin Echo in Polymer Systems written by Dieter Richter and published by Springer. This book was released on 2009-09-02 with total page 246 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Neutron Spin Echo Spectroscopy Viscoelasticity Rheology by :
Download or read book Neutron Spin Echo Spectroscopy Viscoelasticity Rheology written by and published by Springer. This book was released on 2013-10-03 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt: Viscoelasticandtransportpropertiesofpolymersintheliquid(solution,melt)or liquid-like (rubber) state determine their processing and application to a large extent and are of basic physical interest [1—3]. An understanding of these dynamic properties at a molecular level, therefore, is of great importance. However,thisunderstandingiscomplicatedbythefactsthatdi?erentmotional processes may occur on di?erent length scales and that the dynamics are governed by universal chain properties as well as by the special chemical structure of the monomer units [4,5]. The earliest and simplest approach in this direction starts from Langevin equations with solutions comprising a spectrum of relaxation modes [1—4]. Special features are the incorporation of entropic forces (Rouse model, [6]) which relax uctuations of reduced entropy, and of hydrodynamic interactions (Zimm model, [7]) which couple segmental motions via long-range back ow elds in polymer solutions, and the inclusion of topological constraints or entanglements (reptation or tube model, [8—10]) which are mutually imposed within a dense ensemble of chains. Another approach, neglecting the details of the chemical structure and concentratingontheuniversalelementsofchainrelaxation,isbasedondynamic scalingconsiderations[4,11].Inparticularinpolymersolutions,thisapproach o?ers an elegant tool to specify the general trends of polymer dynamics, although it su?ers from the lack of a molecular interpretation. A real test of these theoretical approaches requires microscopic methods, which simultaneously give direct access to the space and time evolution of the segmental di?usion. Here, quasi-elastic scattering methods play a crucial role sincetheyallowthemeasurementofthecorrespondingcorrelationfunctions.In particular,thehigh-resolutionneutronspinecho(NSE)spectroscopy[12—15]is very suitable for such investigations since this method covers an appropriate range in time (0.005)t/ns)40) and space (r/nm [15). Furthermore, the possibilityoflabellingbyhydrogen-deuteriumexchangeallowstheobservation of single-chain behavior even in the melt.
Book Synopsis Neutron Spin Echo Study of the Reentrant Spin Glass EuxSr1-xS by :
Download or read book Neutron Spin Echo Study of the Reentrant Spin Glass EuxSr1-xS written by and published by . This book was released on 1984 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Neutron Spin Echo written by F. Mezei and published by Springer. This book was released on 1980 with total page 276 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Neutron Scattering from Magnetic Materials by : Tapan Chatterji
Download or read book Neutron Scattering from Magnetic Materials written by Tapan Chatterji and published by Elsevier. This book was released on 2005-11-29 with total page 574 pages. Available in PDF, EPUB and Kindle. Book excerpt: Neutron Scattering from Magnetic Materials is a comprehensive account of the present state of the art in the use of the neutron scattering for the study of magnetic materials. The chapters have been written by well-known researchers who are at the forefront of this field and have contributed directly to the development of the techniques described. Neutron scattering probes magnetic phenomena directly. The generalized magnetic susceptibility, which can be expressed as a function of wave vector and energy, contains all the information there is to know about the statics and dynamics of a magnetic system and this quantity is directly related to the neutron scattering cross section. Polarized neutron scattering techniques raise the sophistication of measurements to even greater levels and gives additional information in many cases. The present book is largely devoted to the application of polarized neutron scattering to the study of magnetic materials. It will be of particular interest to graduate students and researchers who plan to investigate magnetic materials using neutron scattering. · Written by a group of scientist who have contributed directly in developing the techniques described.· A complete treatment of the polarized neutron scattering not available in literature.· Gives practical hits to solve magnetic structure and determine exchange interactions in magnetic solids.· Application of neutron scattering to the study of the novel electronic materials.
Book Synopsis Physics of Amphiphilic Layers by : Jacques Meunier
Download or read book Physics of Amphiphilic Layers written by Jacques Meunier and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 408 pages. Available in PDF, EPUB and Kindle. Book excerpt: Amphiphilic layers play essential roles in the behaviour of a great variety of disperse systems such as micelles, microemulsions and vesicles. They can also exist as isolated mono- or bilayers, or constitute extended liquid crystalline structures. Although the properties of these different systems may at first sight seem unrelated, theoretical interpretations of them depend on several common concepts. This was the reason for bringing together scientists working in this area for the International Winter School on the Physics of Amphiphilic Layers, which was held at Les Houches, 10-18 February, 1987. The topics treated in the proceedings volume are mono- and bilayers, interactive forces between layers (with special emphasis on steric forces), ordered structures (in particular swollen lamellar phases and defects), vesicles, micelles (including polymer-like systems), microemulsions (especially random bicontinuous structures) and porous media. The importance of thermal fluctuations in the amphiphilic layers is stressed. Recent results are presented and literature references allow readers not familiar with the subject to find any background information they require.
Book Synopsis Nečetnoe i Četnoe Nejtronnoe Spin-ėcho by : Gy Török
Download or read book Nečetnoe i Četnoe Nejtronnoe Spin-ėcho written by Gy Török and published by . This book was released on 2004 with total page 27 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Nejtronnoe Spin-ėcho Na Fokusirovannych i Raschodjaščichsja Pučkach by : Gy Török
Download or read book Nejtronnoe Spin-ėcho Na Fokusirovannych i Raschodjaščichsja Pučkach written by Gy Török and published by . This book was released on 2005 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Proceedings of the Workshop on Neutron Spin Echo Spectrometer by : Workshop on Neutron Spin Echo Spectrometer
Download or read book Proceedings of the Workshop on Neutron Spin Echo Spectrometer written by Workshop on Neutron Spin Echo Spectrometer and published by . This book was released on 2006 with total page 123 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Neutron Spin Echo Study of the Reentrant Spin Glass Eu3 R/sub 1-x/S. by :
Download or read book Neutron Spin Echo Study of the Reentrant Spin Glass Eu3 R/sub 1-x/S. written by and published by . This book was released on 1984 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Neutron spin echo (NSE) experiments were performed on polycrystalline samples of Eu3 r/sub 1-x/S for x = 0.4 and 0.54 in the temperature range of 1.2
Book Synopsis Neutron Spin Echo Spectroscopy on the Spallation Neutron Source by : J. Penfold
Download or read book Neutron Spin Echo Spectroscopy on the Spallation Neutron Source written by J. Penfold and published by . This book was released on 1981 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
