Phase Diagram and Magnetic Excitations of BaFe2-xNixAs2: A Neutron Scattering Study PDF Download
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Author: Xingye Lu
Publisher: Springer
ISBN: 981104998X
Category : Technology & Engineering
Languages : en
Pages : 127
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Book Description
This book studies the structural, magnetic and electronic properties of, as well as magnetic excitations in, high-temperature BaFe2-xNixAs2 superconductors using neutron diffraction and neutron spectroscopic methods. It describes the precise determination of the phase diagram of BaFe2-xNixAs2, which demonstrates strong magnetoelastic coupling and avoided quantum criticality driven by short-range incommensurate antiferromagnetic order, showing cluster spin glass behavior. It also identifies strong nematic spin correlations in the tetragonal state of uniaxial strained BaFe2-xNixAs2. The nematic correlations have similar temperature and doping dependence as resistivity anisotropy in detwinned samples, which suggests that they are intimately connected. Lastly, it investigates doping evolution of magnetic excitations in overdoped BaFe2-xNixAs2 and discusses the links with superconductivity. This book includes detailed neutron scattering results on BaFe2-xNixAs2 and an introduction to neutron scattering techniques, making it a useful guide for readers pursuing related research.
Author: Xingye Lu
Publisher: Springer
ISBN: 981104998X
Category : Technology & Engineering
Languages : en
Pages : 127
Get Book Here
Book Description
This book studies the structural, magnetic and electronic properties of, as well as magnetic excitations in, high-temperature BaFe2-xNixAs2 superconductors using neutron diffraction and neutron spectroscopic methods. It describes the precise determination of the phase diagram of BaFe2-xNixAs2, which demonstrates strong magnetoelastic coupling and avoided quantum criticality driven by short-range incommensurate antiferromagnetic order, showing cluster spin glass behavior. It also identifies strong nematic spin correlations in the tetragonal state of uniaxial strained BaFe2-xNixAs2. The nematic correlations have similar temperature and doping dependence as resistivity anisotropy in detwinned samples, which suggests that they are intimately connected. Lastly, it investigates doping evolution of magnetic excitations in overdoped BaFe2-xNixAs2 and discusses the links with superconductivity. This book includes detailed neutron scattering results on BaFe2-xNixAs2 and an introduction to neutron scattering techniques, making it a useful guide for readers pursuing related research.
Author:
Publisher: Elsevier
ISBN: 0128020938
Category : Science
Languages : en
Pages : 534
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Book Description
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: Heshmatollah Yavari
Publisher: BoD – Books on Demand
ISBN: 1789840651
Category : Science
Languages : en
Pages : 110
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Book Description
Since the discovery of superconductivity, a great number of theoretical and experimental efforts have been made to describe this new phase of matter that emerged in many body systems. In this regard, theoretical models have been presented; the most famous of which was the BCS theory that can only describe conventional superconductors. With the discovery of new class superconductors, the superconducting mechanism became a new challenge in the field of condensed matter physics. This unexpected discovery opened a new area in the history of superconductivity, and experimental researchers started trying to find new compounds in this class of superconductors. These superconductors are often characterized by the anisotropic character in the superconducting gap function with nodes along a certain direction in the momentum space. Since the pairing interaction has an important role in the superconducting gap structure, its determination is very important to explain the basic pairing mechanism.In this regard, this book includes valuable theoretical and experimental discussions about the properties of superconductors. Here you will find valuable research describing the properties of unconventional superconductors.
Author: J. Robert Schrieffer
Publisher: CRC Press
ISBN: 0429964250
Category : Science
Languages : en
Pages : 352
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Book Description
Theory of Superconductivity is primarily intended to serve as a background for reading the literature in which detailed applications of the microscopic theory of superconductivity are made to specific problems.
Author: Laurent-Patrick Levy
Publisher: Springer Science & Business Media
ISBN: 3662042711
Category : Science
Languages : en
Pages : 470
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Book Description
This up-to-date work presents a modern vision of magnetism and superconductivity covering both microscopic and phenomenological aspects. The basic information is illustrated with the help of current research topics such as the quantum Hall effect or mesoscopic aspects of superconductivity.
Author: Merrill B. Maple
Publisher: Springer
ISBN: 1489937684
Category : Technology & Engineering
Languages : en
Pages : 320
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Book Description
Author: Jean Zinn-Justin
Publisher: Oxford University Press on Demand
ISBN: 0199227195
Category : Mathematics
Languages : en
Pages : 465
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Book Description
No further information has been provided for this title.
Author: Steven M. Girvin
Publisher: Cambridge University Press
ISBN: 110713739X
Category : Science
Languages : en
Pages : 720
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Book Description
Comprehensive and accessible coverage from the basics to advanced topics in modern quantum condensed matter physics.
Author: Albert Furrer
Publisher: World Scientific Publishing Company
ISBN: 9813102500
Category :
Languages : en
Pages : 316
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Book Description
Neutron scattering has become a key technique for investigating the properties of materials on an atomic scale. The uniqueness of this method is based on the fact that the wavelength and energy of thermal neutrons ideally match interatomic distances and excitation energies in condensed matter, and thus neutron scattering is able to directly examine the static and dynamic properties of the material. In addition, neutrons carry a magnetic moment, which makes them a unique probe for detecting magnetic phenomena. In this important book, an introduction to the basic principles and instrumental aspects of neutron scattering is provided, and the most important phenomena and materials properties in condensed matter physics are described and exemplified by typical neutron scattering experiments, with emphasis on explaining how the relevant information can be extracted from the measurements.
Author: A. V. Narlikar
Publisher: Nova Science Pub Incorporated
ISBN: 9781590337974
Category : Science
Languages : en
Pages : 200
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Book Description
This volume focuses on the topical area of magnetic superconductors. Rutheno cuprates and quaternary borocarbides are the two frontal materials forming the mainstay of the book. The authors are noted for their pioneering contribution in the field. In all, there are 6 chapters written by 18 researchers from 6 countries taking stock of frontal issues of both experiment and theory. Chapter headings: Phase Separation, Magnetism and Superconductivity in Rutheno-Cuprates; Coexistence of Superconductivity and Magnetism in R2-xCexRuSr2Cu2O10-d(R=Eu and Gd); Magneto-Superconductivity in Rutheno-Cuprates RuSr2GdCu28-d (Ru-1212) AND RuSr2(Gd0.75 Ce0.25)2Cu2O10-d (Ru-1222): A Critical Review; Therman Conductivity in Magnetic Superconductors; Magnon Specific Heat of the Antiferromagnetic Superconductors RNi2B2C [R=Tm, Er, Ho, Dy]; On the Role of the Electronic Structure in the Properties of Pseudo Quaternary Borocarbides.
