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Author : Miska Elliot
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (137 download)
Download or read book Inelastic Neutron and Resonant Elastic X-ray Scattering Studies of Honeycomb Quantum Magnets written by Miska Elliot and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Gheorghe Lucian Pascut
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (931 download)
Download or read book Neutron and Resonant X-ray Scattering Studies of Low Dimensional Quantum Magnets written by Gheorghe Lucian Pascut and published by . This book was released on 2010 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Eric T. Abel
Publisher :
ISBN 13 :
Total Pages : 366 pages
Book Rating : 4.:/5 (317 download)
Download or read book Elastic and Inelastic X-ray Scattering Studies of the Low Dimensional Spin-1/2 Quantum Magnet TiOCl written by Eric T. Abel and published by . This book was released on 2007 with total page 366 pages. Available in PDF, EPUB and Kindle. Book excerpt: (Cont.) The lattice dynamics above T 2were characterized by inelastic x-ray scattering measurements. By analyzing the data in terms of a damped harmonic oscillator response function, we are able to extract the phonon frequency and damping for all observed modes. We find a longitudinal acoustic phonon branch whose damping increases for q-vectors close to the zone boundary, which is also associated with an apparent softening of the frequency. Both of these anharmonic effects increase as T2 is approached, and are consistent with a soft phonon description of the dimerization. The anomalous phonon damping and softening are then analyzed using the Cross & Fisher theory of spin-phonon interaction leading to a spin-Peierls transition. We find that the theory succeeds in describing the data for a narrow temperature range about Tc2, for q near the zone boundary. It does not account for the anharmonic effects observed at high temperatures. Our experimental analysis represents one of the most in-depth quantitative tests of the Cross & Fisher theory to date. In addition our results suggest that TiOCl is a particularly ideal realization of a spin-Peierls system.
Author : Albert Furrer
Publisher : World Scientific
ISBN 13 : 9814548901
Total Pages : 284 pages
Book Rating : 4.8/5 (145 download)
Download or read book Magnetic Neutron Scattering: Proceedings Of The Third Summer School On Neutron Scattering written by Albert Furrer and published by World Scientific. This book was released on 1995-10-12 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt: The proceedings provide a topical survey of the static and dynamical magnetic properties of condensed matter studied by neutron scattering which has been the key technique in this field for a long time. The static aspects deal with the determination of long-range ordered spin structures and magnetization densities. The dynamic aspects concentrate on the determination of magnetic excitations such as spin waves and crystal-field transitions. The use of polarized-neutron techniques is particularly emphasized. All these topics are thoroughly introduced, methodically discussed, and highlighted with recent experimental results obtained for a vast variety of magnetic materials (e.g., strongly correlated electron systems, multilayers, nanocrystals, molecular complexes, etc.) by acknowledged experts. Other experimental methods (x-ray scattering, muon spin rotation) in the study of magnetism are compared to neutron scattering.
Author :
Publisher : Elsevier
ISBN 13 : 0128020938
Total Pages : 534 pages
Book Rating : 4.1/5 (28 download)
Download or read book Neutron Scattering - Magnetic and Quantum Phenomena written by and published by Elsevier. This book was released on 2015-11-29 with total page 534 pages. Available in PDF, EPUB and Kindle. Book excerpt: Neutron Scattering - Magnetic and Quantum Phenomena provides detailed coverage of the application of neutron scattering in condensed matter research. The book's primary aim is to enable researchers in a particular area to identify the aspects of their work where neutron scattering techniques might contribute, conceive the important experiments to be done, assess what is required to carry them out, write a successful proposal for one of the major user facilities, and perform the experiments under the guidance of the appropriate instrument scientist. An earlier series edited by Kurt Sköld and David L. Price, and published in the 1980s by Academic Press as three volumes in the series Methods of Experimental Physics, was very successful and remained the standard reference in the field for several years. This present work has similar goals, taking into account the advances in experimental techniques over the past quarter-century, for example, neutron reflectivity and spin-echo spectroscopy, and techniques for probing the dynamics of complex materials of technological relevance. This volume complements Price and Fernandez-Alonso (Eds.), Neutron Scattering - Fundamentals published in November 2013. Covers the application of neutron scattering techniques in the study of quantum and magnetic phenomena, including superconductivity, multiferroics, and nanomagnetism Presents up-to-date reviews of recent results, aimed at enabling the reader to identify new opportunities and plan neutron scattering experiments in their own field Provides a good balance between theory and experimental techniques Provides a complement to Price and Fernandez-Alonso (Eds.), Neutron Scattering - Fundamentals published in November 2013
Author : Sungkyun Choi
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (16 download)
Download or read book Neutron and X-ray Scattering Studies of Honeycomb Iridates written by Sungkyun Choi and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Chiron Jeeb Mukherjee
Publisher :
ISBN 13 :
Total Pages : 418 pages
Book Rating : 4.:/5 (749 download)
Download or read book Neutron Scattering Studies on Low-dimensional Quantum Magnets written by Chiron Jeeb Mukherjee and published by . This book was released on 2005 with total page 418 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Andreas Sieber
Publisher :
ISBN 13 :
Total Pages : 129 pages
Book Rating : 4.:/5 (853 download)
Download or read book Inelastic Neutron Scattering Studies on Spin Clusters and Single-molecule Magnets written by Andreas Sieber and published by . This book was released on 2005 with total page 129 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Wilhelmus A. Erkelens
Publisher :
ISBN 13 :
Total Pages : 162 pages
Book Rating : 4.:/5 (246 download)
Download or read book Elastic and Inelastic Neutron Scattering Studies on 3d and 4f Magnetic Compounds written by Wilhelmus A. Erkelens and published by . This book was released on 1987 with total page 162 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Rebecca Jean Christianson
Publisher :
ISBN 13 :
Total Pages : 115 pages
Book Rating : 4.:/5 (54 download)
Download or read book X-ray and Neutron Scattering Studies of the Rb2MnF4 and Cu1x̳Mgx̳GeO3 in an External Magnetic Field written by Rebecca Jean Christianson and published by . This book was released on 2001 with total page 115 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis presents results of two scattering studies of low dimensional magnetic materials. The first is a neutron scattering study of Rb2MnF4, a nearly ideal two-dimensional square lattice Heisenberg antiferromagnet with S = 5/2. When this material is placed in a magnetic field on an extrapolation of the spin-flop phase boundary into the paramagnetic phase, Heisenberg critical behavior can be accessed to a much longer correlation length than had previously been achieved for a high-spin system. Comparison of our results with current theories indicate that the probed temperature region lies in a crossover region from classical to renormalized classical behavior. In addition, we show measurements of both the quasielastic and magnon dynamic behavior. The second part of this thesis presents extensive synchrotron x-ray scattering measurements of the high-field incommensurate phase in doped CuGeO3. Random-field behavior, including Lorentzian-squared lineshapes, the changing of a first order transition to second-order, and critical destruction of long-range order is observed in this continuous order parameter system.
Author : Lucas Johannes Peter Ament
Publisher :
ISBN 13 : 9789085930877
Total Pages : 232 pages
Book Rating : 4.9/5 (38 download)
Download or read book Resonant Inelastic X-ray Scattering Studies of Elementary Excitations written by Lucas Johannes Peter Ament and published by . This book was released on 2010 with total page 232 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Theoretical Approach to Direct Resonant Inelastic X-ray Scattering on Magnets and Superconductors written by and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Peter Stephen Normile
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (17 download)
Download or read book Neutron and Resonant X-ray Magnetic Scattering Studies of Single-crystal U1-xPuxSb written by Peter Stephen Normile and published by . This book was released on 2001 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Peter Stephen Normile
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (855 download)
Download or read book Neutron and Resonant X-ray Magnetic Scattering Studies of Single-crystal U0!0!0!chi#Pu0!chi#Sb written by Peter Stephen Normile and published by . This book was released on 2001 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : San-Wen Chen
Publisher :
ISBN 13 : 9781303717819
Total Pages : 89 pages
Book Rating : 4.7/5 (178 download)
Download or read book X-ray and Neutron Scattering Studies of Magnetic Domain Dynamics and Spin Structures written by San-Wen Chen and published by . This book was released on 2014 with total page 89 pages. Available in PDF, EPUB and Kindle. Book excerpt: The study of magnetic spin structures at nanometer length scales and their dynamics is of both fundamental and technological importance. X-rays and neutrons are penetrating probes that are suitable for studying these in the bulk and the interfaces of the materials. In this thesis, the magnetic domain dynamics are studied by resonant soft x-ray scattering together with x-ray photon correlation spectroscopy. The domain fluctuations reveal when the temperature is close to the phase transition temperature. We find the domain wall dynamics in an antiferromagnet corresponds to a collective motion of spins and exhibit some universal features associated with the jamming behavior in many jammed soft condensed matter systems. We also discuss about the utilization of polarized neutron reflectometry to study the interfacial spin structure in an exchange biased bilayer. The magnetization profiles are obtained which show that some spins are not completely reversible when the magnetic field is reversed. These spins include pinned uncompensated spins in the antiferromagnet and the interfacial spins exchange coupled to those spins. A previously established model was found to reproduce the magnetization profile observed. Finally, we carried out a grazing incidence small angle neutron scattering experiment on an optical grating as a way to test the Distorted Wave Born Approximation (DWBA). DWBA is briefly reviewed and we used it to calculate the scattering intensity of the system.
Author : Pasquale Marra
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (951 download)
Download or read book Theoretical Approach to Direct Resonant Inelastic X-Ray Scattering on Magnets and Superconductors written by Pasquale Marra and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Sadiq Mohammed El-Kadi
Publisher :
ISBN 13 :
Total Pages : 370 pages
Book Rating : 4.:/5 (816 download)
Download or read book Neutron Elastic and Inelastic Scattering Studies on 54Fe, 56Fe, 63Cu and 65Cu written by Sadiq Mohammed El-Kadi and published by . This book was released on 1981 with total page 370 pages. Available in PDF, EPUB and Kindle. Book excerpt:
