Neutron And X Ray Scattering Studies Of Disorder In Quantum Materials

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Neutron and X-ray Scattering Studies of Disorder in Quantum Materials

Author : Mingde Jiang
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (133 download)

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Book Synopsis Neutron and X-ray Scattering Studies of Disorder in Quantum Materials by : Mingde Jiang

Download or read book Neutron and X-ray Scattering Studies of Disorder in Quantum Materials written by Mingde Jiang and published by . This book was released on 2022 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Quantum materials generally refer to condensed matter systems whose properties are dictated by strongly interacting quantum mechanical effects. This includes many classes of materials at the forefront of condensed matter research, for example high temperature superconductors, quantum spin liquids, and many others. In addition to hosting their eponymous phases, frequently these materials also exhibit competing ground states, where minute parameter changes lead to qualitatively different phases. The existence of atomic scale disorder is often sufficient to alter the ground state of many such systems. Experimentally, disorder is an inherent component of real (and in particular, bulk) materials, commonly due to imperfections in synthesis and intentional introduction of substitution/dopant atoms. It is therefore important to characterize and model the disorder in such materials to fully understand their physics. The nature and time/length scales of disorder varies significantly between different materials, requiring specifically tailored techniques. This thesis details innovative neutron and x-ray scattering studies on several quantum materials of current interest with distinct types of disorder relevant to high temperature superconductivity and quantum spin liquids.

Diffuse Neutron Scattering from Crystalline Materials

Author : Victoria M. Nield
Publisher : Oxford University Press
ISBN 13 : 9780198517900
Total Pages : 344 pages
Book Rating : 4.5/5 (179 download)

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Book Synopsis Diffuse Neutron Scattering from Crystalline Materials by : Victoria M. Nield

Download or read book Diffuse Neutron Scattering from Crystalline Materials written by Victoria M. Nield and published by Oxford University Press. This book was released on 2001 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the first comprehensive account of diffuse neutron scattering, a unique tool for determining structural disorder in solids. The text takes the reader through theoretical, computational and experimental developments in the subject and describes in detail its application to a number of structural disorder problems. These include the more traditional subjects of substitutional disorder in alloys and orientational disorder in molecular systems as well as the more recent studies of superior and framework materials. Particular emphasis is placed on recent refinement methods for data interpretation and these are compared with established computer simulation techniques and analytical approaches. The book collects disparate themes into one unique volume, which is written as an introduction to the methods for graduate scientist and as a valuable reference or the expert crystallographer who wishes to apply modern interpretative techniques to diffuse scattering data.

Complementarity Between Neutron And Synchrotron X-ray Scattering - Proceedings Of The Sixth Summer School Of Neutron Scattering

Author : Albert Furrer
Publisher : World Scientific
ISBN 13 : 9814616273
Total Pages : 393 pages
Book Rating : 4.8/5 (146 download)

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Book Synopsis Complementarity Between Neutron And Synchrotron X-ray Scattering - Proceedings Of The Sixth Summer School Of Neutron Scattering by : Albert Furrer

Download or read book Complementarity Between Neutron And Synchrotron X-ray Scattering - Proceedings Of The Sixth Summer School Of Neutron Scattering written by Albert Furrer and published by World Scientific. This book was released on 1998-12-30 with total page 393 pages. Available in PDF, EPUB and Kindle. Book excerpt: Understanding and manipulating the properties of materials naturally occurring in our world and artificially produced by modern technologies requires detailed information on their properties on the atomic scale. This information is the basis for any kind of research in physics, chemistry, biology, engineering, metallurgy, and ceramics. Among the various experimental methods, neutron and photon scattering have become the key techniques of choice.This book provides an overview of the complementarity between neutron and synchrotron x-ray scattering. The most important topics are covered, including structure determination, magnetic correlations, polymer dynamics, thin films and multilayers, photoemission studies, etc; they are thoroughly introduced and discussed by experts from both the experimental and the theoretical side.

Principles of Neutron Scattering from Condensed Matter

Author : Andrew T. Boothroyd
Publisher : Oxford University Press
ISBN 13 : 0192607057
Total Pages : 509 pages
Book Rating : 4.1/5 (926 download)

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Book Synopsis Principles of Neutron Scattering from Condensed Matter by : Andrew T. Boothroyd

Download or read book Principles of Neutron Scattering from Condensed Matter written by Andrew T. Boothroyd and published by Oxford University Press. This book was released on 2020-07-09 with total page 509 pages. Available in PDF, EPUB and Kindle. Book excerpt: Neutron scattering is arguably the most powerful technique available for looking inside materials and seeing what the atoms are doing. This textbook provides a comprehensive and up-to-date account of the many different ways neutrons are being used to investigate the behaviour of atoms and molecules in bulk matter. It is written in a pedagogical style, and includes many examples and exercises. Every year, thousands of experiments are performed at neutron scattering facilities around the world, exploring phenomena in physics, chemistry, materials science, as well as in interdisciplinary areas such as biology, materials engineering, and cultural heritage. This book fulfils a need for a modern and pedagogical treatment of the principles behind the various different neutron techniques, in order to provide scientists with the essential formal tools to design their experiments and interpret the results. The book will be of particular interest to researchers using neutrons to study the atomic-scale structure and dynamics in crystalline solids, simple liquids and molecular fluids by diffraction techniques, including small-angle scattering and reflectometry, and by spectroscopic methods, ranging from conventional techniques for inelastic and quasielastic scattering to neutron spin-echo and Compton scattering. A comprehensive treatment of magnetic neutron scattering is given, including the many and diverse applications of polarized neutrons.

Neutron Scattering - Magnetic and Quantum Phenomena

Author :
Publisher : Elsevier
ISBN 13 : 0128020938
Total Pages : 534 pages
Book Rating : 4.1/5 (28 download)

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Book Synopsis Neutron Scattering - Magnetic and Quantum Phenomena by :

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

Scattering Studies of Magnetic and Charge Correlations in Two-dimensional Quantum Magnets

Author : Wei He (Researcher in materials science)
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (13 download)

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Book Synopsis Scattering Studies of Magnetic and Charge Correlations in Two-dimensional Quantum Magnets by : Wei He (Researcher in materials science)

Download or read book Scattering Studies of Magnetic and Charge Correlations in Two-dimensional Quantum Magnets written by Wei He (Researcher in materials science) and published by . This book was released on 2022 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The study of quantum magnets in two-dimensional systems is a forefront field in both materials science and condensed matter physics research. Such materials not only provide rich platforms for potential applications of novel materials but also further our understanding of basic physics. Neutron and x-ray scattering are powerful tools to explore the magnetic and charge correlations in these materials. This thesis describes the experimental investigation of two model systems in bulk crystalline form, one with a two-dimensional kagome lattice and one with a two-dimensional square lattice, both consisting of Cu2+ ions with spin-1/2. Strong quantum fluctuations give competing ground states or phases in both systems. Recently, barlowite Cu4(OH)6FBr has attracted much attention as the parent compound of a new kagome quantum spin liquid candidate. Our new synthesis method produced large single crystals of a new variant of barlowite, which has a higher symmetry space group compared to the previously reported one. Our elastic magnetic neutron scattering measurements reveal that the magnetic ground state of the new high-symmetry barlowite at low temperatures has a special pinwheel q = 0 magnetic order. In the intermediate temperatures, our numerical calculations and inelastic neutron scattering indicate that the kagome spins are in a potential pinwheel valence bond crystal state. Both of the two ground states are in close proximity to the long-sought quantum spin liquid state. The second part of my thesis is focused on the spin and charge correlations in high-Tc cuprate superconductors. Cuprate materials display intriguing physical phenomena due to the coexistence of various phases, which may interact with the superconductivity. The La-based family is a canonical example where both the spin and charge correlations could form "stripes". Magnetic neutron scattering reveals a rather surprising feature of the spin stripes in the model material La1.88Sr0.12CuO4: regardless of whether they are static or fluctuating, these stripes are always tilted from the high-symmetry direction of underlying lattices. Comparison with numerical simulations reveals the important role of the next-nearest neighbor electron hopping. Resonant soft x-ray scattering measurements offer important information about the charge order in another cuprate material stage-6 O-doped La2CuO4+y. By tuning both temperature and the dopant disorder level, we clearly observe two types of charge orders with distinct correlation lengths and behaviors at low temperatures. A coherent picture based on microscopic phase separation is proposed to explain the relationship between charge and spin orders with superconductivity in these materials.

Neutron Scattering – Applications in Biology, Chemistry, and Materials Science

Author : Felix Fernandez-Alonso
Publisher : Elsevier
ISBN 13 : 0128092300
Total Pages : 784 pages
Book Rating : 4.1/5 (28 download)

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Book Synopsis Neutron Scattering – Applications in Biology, Chemistry, and Materials Science by : Felix Fernandez-Alonso

Download or read book Neutron Scattering – Applications in Biology, Chemistry, and Materials Science written by Felix Fernandez-Alonso and published by Elsevier. This book was released on 2017-06-14 with total page 784 pages. Available in PDF, EPUB and Kindle. Book excerpt: Neutron Scattering: Applications in Chemistry, Materials Science and Biology, Volume 49, provides an in-depth overview of the applications of neutron scattering in the fields of physics, materials science, chemistry, biology, the earth sciences, and engineering. The book describes the tremendous advances in instrumental, experimental, and computational techniques over the past quarter-century. Examples include the coming-of-age of neutron reflectivity and spin-echo spectroscopy, the advent of brighter accelerator-based neutron facilities and associated techniques in the United States and Japan over the past decade, and current efforts in Europe to develop long-pulse, ultra-intense spallation neutron sources. It acts as a complement to two earlier volumes in the Experimental Methods in the Physical Science series, Neutron Scattering: Fundamentals(Elsevier 2013) and Neutron Scattering: Magnetic and Quantum Phenomena (Elsevier 2015). As a whole, the set enables researchers to identify aspects of their work where neutron scattering techniques might contribute, conceive the important experiments to be done, assess what is required, write a successful proposal for one of the major facilities around the globe, and perform the experiments under the guidance of the appropriate instrument scientist. Completes a three-volume set, providing extensive coverage on emerging and highly topical applications of neutron scattering Addresses the increasing use of neutrons by chemists, life scientists, material scientists, and condensed-matter physicists Presents up-to-date reviews of recent results, enabling readers to identify new opportunities and plan neutron scattering experiments in their own field

Studies of the Structures of Some Disordered Materials by Neutron and X-ray Scattering Methods

Author : Mohammad S. Al-Assiri
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (277 download)

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Book Synopsis Studies of the Structures of Some Disordered Materials by Neutron and X-ray Scattering Methods by : Mohammad S. Al-Assiri

Download or read book Studies of the Structures of Some Disordered Materials by Neutron and X-ray Scattering Methods written by Mohammad S. Al-Assiri and published by . This book was released on 1994 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Complementarity Between Neutron and Synchrotron X-ray Scattering

Author : Albert Furrer
Publisher : World Scientific Publishing Company Incorporated
ISBN 13 : 9789810235581
Total Pages : 377 pages
Book Rating : 4.2/5 (355 download)

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Book Synopsis Complementarity Between Neutron and Synchrotron X-ray Scattering by : Albert Furrer

Download or read book Complementarity Between Neutron and Synchrotron X-ray Scattering written by Albert Furrer and published by World Scientific Publishing Company Incorporated. This book was released on 1998 with total page 377 pages. Available in PDF, EPUB and Kindle. Book excerpt: I. Theoretical principles of neutron and synchrotron X-ray scattering. Neutron- and synchrotron X-ray scattering (the theoretical principles) / W. E. Fischer -- II. Structure determination. Structure determination by powder synchrotron X-ray diffraction / A. N. Fitch -- Structure determination by powder neutron diffraction / E. Gray and E. Kisi -- Seminar on "structure" / K. Yvon -- III. Magnetism. Magnetic neutron and synchrotron X-ray scattering / W. G Stirling -- Magnetic excitations through the eye of the neutron / W. J. L. Buyers -- Topological excitations in low dimensional magnets / H. B. Braun -- Seminar on "magnetism" / G. H. Lander -- IV. Correlated electron systems. Elastic and inelastic X-ray scattering from correlated electrons: A theoretical perspective / M. Altarelli -- SANS measurements on vortices in superconductors. What can we learn? / V. B. Geshkenbein -- Seminar on "electronic structures" / J. Mesot -- V. Multilayers. From thin films to superlattices studied with X-rays and neutrons / D. E. McMorrow -- Seminar on "multilayers" / S. K. Sinha -- VI. Other topics in condensed matter research. From entropy driven motion to reptation - Large scale dynamics in polymer melts / D. Richter -- Small-angle and surface scattering from porous and fractal materials / S. K. Sinha -- Hot topics in condensed matter physics / H. R. Ott -- Seminar on "dynamics" / B. Dorner -- VII. Beam optics. Neutron beam optics / P. Boni -- Synchrotron X-ray beam optics / A. Freund -- VIII. Summary. Summary lecture: Some features of the scattering and absorption of beams of neutrons and beams of X-rays / S. W. Lovesey

Quantum Materials Explored by Neutron Scattering

Author : Peter Babkevich
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (829 download)

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Book Synopsis Quantum Materials Explored by Neutron Scattering by : Peter Babkevich

Download or read book Quantum Materials Explored by Neutron Scattering written by Peter Babkevich and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis describes neutron scattering experiments on strongly correlated systems exhibiting a range of emergent phenomena: antiferromagnetism, charge order, superconductivity and multiferroicity. I have examined the La_{2}CoO_{4} compound which is a Mott insulator and orders antiferromagnetically near room temperature. The La_{2}CoO_{4} sample was studied using spherical neutron polarimetry and I present magnetic structure models to describe the two antiferromagnetic phases of the compound. Furthermore, the magnetic fluctuations have been investigated using neutron time-of-flight technique. This has allowed us to extract the dominant exchange interactions in the system. More interestingly, the work on La_{2}CoO_{4} presented in this thesis provides a basis for the experimental evidence of an hourglass dispersion in La_{5/3}Sr_{1/3}CoO_{4}, previously only observed in the copper oxide based superconductors. This dispersion has been understood in terms of a stripe ordered magnetic phase and was found to be well described by a linear spin-wave model. Neutron scattering experiments were also carried out on the new iron-based high-temperature superconductors, FeSe_{x}Te_{1-x}. A range of compositions were studied, including both antiferromagnetically ordered and superconducting. Below the superconducting phase transition temperature, a spin resonance mode was found centred on the antiferromagnetic wavevector. This is an important feature shared by many unconventional superconductors. The spin resonance intensity was found to reflect the order parameter of the superconducting state. Polarised inelastic neutron scattering experiments have revealed a small anisotropy between the in-plane and out-of-plane magnetic fluctuations at the resonance. This anisotropy cannot be readily explained by the usual anisotropic terms in the Hamiltonian. This could be evidence of new physics in the FeSe_{x}Te_{1-x} superconductors. Finally, I have studied CuO - a high-temperature multiferroic. Analysis of polarised neutron diffraction experiments shows that the magnetic domain population can be varied using an externally applied electric field. This unambiguously demonstrates coupling between the magnetic and ferroelectric degrees of freedom. Using representation analysis I derive the incommensurate magnetic structure in the multiferroic phase. The origin of the magnetoelectric coupling is consistent with models based on the inverse Dzyaloshinskii-Moriya interaction.

Structure Analysis by Small-Angle X-Ray and Neutron Scattering

Author : L.A. Feigin
Publisher : Springer
ISBN 13 : 9781475766264
Total Pages : 0 pages
Book Rating : 4.7/5 (662 download)

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Book Synopsis Structure Analysis by Small-Angle X-Ray and Neutron Scattering by : L.A. Feigin

Download or read book Structure Analysis by Small-Angle X-Ray and Neutron Scattering written by L.A. Feigin and published by Springer. This book was released on 2013-06-01 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Small-angle scattering of X rays and neutrons is a widely used diffraction method for studying the structure of matter. This method of elastic scattering is used in various branches of science and technology, includ ing condensed matter physics, molecular biology and biophysics, polymer science, and metallurgy. Many small-angle scattering studies are of value for pure science and practical applications. It is well known that the most general and informative method for investigating the spatial structure of matter is based on wave-diffraction phenomena. In diffraction experiments a primary beam of radiation influences a studied object, and the scattering pattern is analyzed. In principle, this analysis allows one to obtain information on the structure of a substance with a spatial resolution determined by the wavelength of the radiation. Diffraction methods are used for studying matter on all scales, from elementary particles to macro-objects. The use of X rays, neutrons, and electron beams, with wavelengths of about 1 A, permits the study of the condensed state of matter, solids and liquids, down to atomic resolution. Determination of the atomic structure of crystals, i.e., the arrangement of atoms in a unit cell, is an important example of this line of investigation.

Neutron and Resonant X-ray Scattering Studies of Low Dimensional Quantum Magnets

Author : Gheorghe Lucian Pascut
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (931 download)

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Book Synopsis Neutron and Resonant X-ray Scattering Studies of Low Dimensional Quantum Magnets by : Gheorghe Lucian Pascut

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:

Neutron Scattering Studies of Anion Disorder in Florites at High Temperatures

Author : M. H. Dickens
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (819 download)

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Book Synopsis Neutron Scattering Studies of Anion Disorder in Florites at High Temperatures by : M. H. Dickens

Download or read book Neutron Scattering Studies of Anion Disorder in Florites at High Temperatures written by M. H. Dickens and published by . This book was released on 1976 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Neutron and X-ray scattering in materials science

Author : Colin G. Windsor
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (6 download)

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Book Synopsis Neutron and X-ray scattering in materials science by : Colin G. Windsor

Download or read book Neutron and X-ray scattering in materials science written by Colin G. Windsor and published by . This book was released on 1988 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Neutron Scattering Studies of Disorder

Author : V. M. Nield
Publisher :
ISBN 13 :
Total Pages : 350 pages
Book Rating : 4.:/5 (535 download)

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Book Synopsis Neutron Scattering Studies of Disorder by : V. M. Nield

Download or read book Neutron Scattering Studies of Disorder written by V. M. Nield and published by . This book was released on 1992 with total page 350 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Single Crystal Growth and Neutron Scattering Studies of Novel Quantum Materials

Author : Xiao Wang
Publisher :
ISBN 13 : 9783958065468
Total Pages : 0 pages
Book Rating : 4.0/5 (654 download)

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Book Synopsis Single Crystal Growth and Neutron Scattering Studies of Novel Quantum Materials by : Xiao Wang

Download or read book Single Crystal Growth and Neutron Scattering Studies of Novel Quantum Materials written by Xiao Wang and published by . This book was released on 2021 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Neutrons, X-rays, and Light

Author : Peter Lindner
Publisher : Elsevier
ISBN 13 : 9780443291166
Total Pages : 0 pages
Book Rating : 4.2/5 (911 download)

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Book Synopsis Neutrons, X-rays, and Light by : Peter Lindner

Download or read book Neutrons, X-rays, and Light written by Peter Lindner and published by Elsevier. This book was released on 2024-11-01 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Neutrons, X-rays, and Light: Scattering Methods Applied to Soft Condensed Matter, Second Edition addresses the possibilities provided by scattering techniques in the study of soft matter. It fills the gap between fundamental scattering processes, which are described by the general theoretical framework of elastic and quasi-elastic interaction of radiation with matter and state-of-the-art applications to specific soft matter systems. The first part of the book is dedicated to the use of general principles for the measurement and analysis of scattered intensity: elementary scattering process, data reduction, general theorems, and reciprocal space and its link to structural and dynamical information in direct space. In the second part, methods and techniques are further discussed, including resolution effects, contrast variation, static and dynamic light scattering, quasi-elastic neutron scattering, and reflectometry and grazing incidence techniques. Part three deals with the state of the art of scattering studies of typical soft matter systems (polymers, self-assembled surfactant systems, microemulsions, liquid crystals, colloids, aggregates, biological systems) with dedicated chapters for particle interactions, and modelling. Part four highlights special applications, from turbid media to scattering under external constraints, and industrial applications.