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Author: Russell E. Walstedt
Publisher: Springer Science & Business Media
ISBN: 3540755640
Category : Science
Languages : en
Pages : 273
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Book Description
The NMR probe has yielded a panorama of data on the static and dynamic magnetic properties of high-Tc materials. This volume aims to provide a comprehensive exposition of the various facets of the technique itself and to apply those results to the task of creating straightforward physical meaning for the elements of the available data. While some aspects of the underlying theory remain mysterious, this book renders nearly every available measurement understandable.
Author: Russell E. Walstedt
Publisher: Springer Science & Business Media
ISBN: 3540755640
Category : Science
Languages : en
Pages : 273
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Book Description
The NMR probe has yielded a panorama of data on the static and dynamic magnetic properties of high-Tc materials. This volume aims to provide a comprehensive exposition of the various facets of the technique itself and to apply those results to the task of creating straightforward physical meaning for the elements of the available data. While some aspects of the underlying theory remain mysterious, this book renders nearly every available measurement understandable.
Author: Russell E. Walstedt
Publisher: Springer
ISBN: 3662555824
Category : Technology & Engineering
Languages : en
Pages : 329
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Book Description
This new edition updates readers in three areas of NMR studies, namely, recent developments in high-Tc materials, heavy fermion systems and actinide oxides are presented. The NMR probe has yielded a vast array of data for solid state materials, corresponding to different compounds, ionic sites, and nuclear species, as well as to a wide variety of experimental conditions. The last two parts of the book are completely new in this edition, while the first part has seen major updates.This edition features the latest developments for high-Tc materials, especially the advances in the area of pseudogap studies are reviewed. An in depth overview of heavy fermion systems is presented in the second part, notably Kondo lattices, quantum critical points and unconventional superconductivity are areas of intense research recently and are covered extensively. Finally, valuable information from NMR studies with actinide oxides will be provided.Ongoing analysis and discussion of NMR data have resulted in a wealth of important insights into the physics of these exotic systems. The aims of this monograph are manyfold. First, it reviews NMR methodology as it has been applied to the different studies. This is addressed to NMR practitioners and to physics laypersons alike. Next, it presents a review of NMR measurements and the wide variety of phenomena which they represent. The third phase is to recount the theoretical model calculations and other proposals which have been put forward to account for these data.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 148
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Book Description
NMR experiments are reported for Sr2CuO2Cl2, HgBa2CuO{sub 4+d}, YNi2B2C and YBa2Cu3O--. NMR studies typify three different aspects of microscopic properties of HTSC. In non-superconducting antiferromagnetic (AF) prototype Sr2CuO2Cl2, we used NMR to investigate Cu{sup 2+} correlated spin dynamics and AF phase transition in CuO2 layers. In the superconductors, we used NMR both to investigate the electronic properties of the Fermi-liquid in normal and superconducting states and to investigate flux lattice and flux-line dynamics in the superconducting state in presence of magnetic field. A summary of each study is given: 35Cl NMR was measured in Sr2CuO2Cl2 single crystals with T{sub N}=257K. 35Cl NMR relaxation rates showed crossover of Cu{sup 2+} spin dynamics from Heisenberg to XY-like correlation at 290 K well above T{sub N}. A field-dependent T{sub N} for H(up tack)c was observed and explained by a field-induced Ising-like anisotropy in ab plane. 199Hg NMR was measured in HgBa2CuO{sub 4+d}. Properties of the Fermi-liquid are characterized by a single-spin fluid picture and opening of a spin pseudo-gap at q=0 above {Tc}. Below {Tc}, spin component of Knight shift decreases rapidly in agreement with prediction for d-wave pairing scheme. 11B and 89Y NMR/magnetization were measured in YNi2B2C. Temperature dependence of 11B Knight shift and of the NSLR gave a normal state which agrees with the Korringa relation, indicating that the AF fluctuations on the Ni sublattice are negligible. Opening of the superconducting gap obeys BCS. A NMR approach to investigate vortex thermal motion in HTSC is presented, based on contribution of thermal flux-lines motion to both T2−1 and T1−1. Effects are demonstrated in YBa2Cu3O-- and HgBa2CuO{sub 4+d}.
Author:
Publisher:
ISBN:
Category : Condensed matter
Languages : en
Pages : 444
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Book Description
Author: Richard Dronskowski
Publisher: John Wiley & Sons
ISBN: 3527325875
Category : Technology & Engineering
Languages : en
Pages : 3912
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Book Description
This most comprehensive and unrivaled compendium in the field provides an up-to-date account of the chemistry of solids, nanoparticles and hybrid materials. Following a valuable introductory chapter reviewing important synthesis techniques, the handbook presents a series of contributions by about 150 international leading experts -- the "Who's Who" of solid state science. Clearly structured, in six volumes it collates the knowledge available on solid state chemistry, starting from the synthesis, and modern methods of structure determination. Understanding and measuring the physical properties of bulk solids and the theoretical basis of modern computational treatments of solids are given ample space, as are such modern trends as nanoparticles, surface properties and heterogeneous catalysis. Emphasis is placed throughout not only on the design and structure of solids but also on practical applications of these novel materials in real chemical situations.
Author: Roderick E. Wasylishen
Publisher: John Wiley & Sons
ISBN: 0470973986
Category : Science
Languages : en
Pages : 564
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Book Description
The content of this volume has been added to eMagRes (formerly Encyclopedia of Magnetic Resonance) - the ultimate online resource for NMR and MRI. Over the past 20 years technical developments in superconducting magnet technology and instrumentation have increased the potential of NMR spectroscopy so that it is now possible to study a wide range of solid materials. In addition, one can probe the nuclear environments of many other additional atoms that possess the property of spin. In particular, it is possible to carry out NMR experiments on isotopes that have nuclear spin greater that ½ (i.e. quadrupolar nuclei). Since more that two-thirds of all NMR active isotopes are quadrupolar nuclei, applications of NMR spectroscopy with quadrupolar nuclei are increasing rapidly. The purpose of this handbook is to provide under a single cover the fundamental principles, techniques and applications of quadrupolar NMR as it pertains to solid materials. Each chapter has been prepared by an expert who has made significant contributions to out understanding and appreciation of the importance of NMR studies of quadrupolar nuclei in solids. The text is divided into three sections: The first provides the reader with the background necessary to appreciate the challenges in acquiring and interpreting NMR spectra of quadrupolar neclei in solids. The second presents cutting-edge techniques and methodology for employing these techniques to investigate quadrupolar nuclei in solids. The final section explores applications of solid-state NMR studies of solids ranging from investigations of dynamics, characterizations of biological samples, organic and inorganic materials, porous materials, glasses, catalysts, semiconductors and high-temperature superconductors. About EMR Handbooks / eMagRes Handbooks The Encyclopedia of Magnetic Resonance (up to 2012) and eMagRes (from 2013 onward) publish a wide range of online articles on all aspects of magnetic resonance in physics, chemistry, biology and medicine. The existence of this large number of articles, written by experts in various fields, is enabling the publication of a series of EMR Handbooks / eMagRes Handbooks on specific areas of NMR and MRI. The chapters of each of these handbooks will comprise a carefully chosen selection of articles from eMagRes. In consultation with the eMagRes Editorial Board, the EMR Handbooks / eMagRes Handbooks are coherently planned in advance by specially-selected Editors, and new articles are written (together with updates of some already existing articles) to give appropriate complete coverage. The handbooks are intended to be of value and interest to research students, postdoctoral fellows and other researchers learning about the scientific area in question and undertaking relevant experiments, whether in academia or industry. Have the content of this Handbook and the complete content of eMagRes at your fingertips! Visit: www.wileyonlinelibrary.com/ref/eMagRes View other eMagRes publications here
Author: Roderick E. Wasylishen
Publisher: John Wiley & Sons
ISBN: 1118588843
Category : Science
Languages : en
Pages : 564
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Book Description
NMR OF QUADRUPOLAR NUCLEI IN SOLID MATERIALS Over the past 20 years technical developments in superconducting magnet technology and instrumentation have increased the potential of NMR spectroscopy so that it is now possible to study a wide range of solid materials. In addition, one can probe the nuclear environments of many other additional atoms that possess the property of spin. In particular, it is possible to carry out NMR experiments on isotopes that have nuclear spin greater that 1⁄2 (i.e. quadrupolar nuclei). Since more that two-thirds of all NMR active isotopes are quadrupolar nuclei, applications of NMR spectroscopy with quadrupolar nuclei are increasing rapidly. The purpose of this handbook is to provide under a single cover the fundamental principles, techniques and applications of quadrupolar NMR as it pertains to solid materials. Each chapter has been prepared by an expert who has made significant contributions to out understanding and appreciation of the importance of NMR studies of quadrupolar nuclei in solids. The text is divided into three sections: The first provides the reader with the background necessary to appreciate the challenges in acquiring and interpreting NMR spectra of quadrupolar neclei in solids. The second presents cutting-edge techniques and methodology for employing these techniques to investigate quadrupolar nuclei in solids. The final section explores applications of solid-state NMR studies of solids ranging from investigations of dynamics, characterizations of biological samples, organic and inorganic materials, porous materials, glasses, catalysts, semiconductors and high-temperature superconductors. About EMR Handbooks The Encyclopedia of Magnetic Resonance (EMR) publishes a wide range of online articles on all aspects of magnetic resonance in physics, chemistry, biology and medicine. The existence-of this large number of articles, written by experts in various fields, is enabling the publication of a series of EMR Handbooks on specific areas of NMR and MRI. The chapters of each of these handbooks will comprise a carefully chosen selection of Encyclopedia articles. In consultation with the EMR Editorial Board, the EMR Handbooks are coherently planned in advance by specially-selected Editors, and new articles, are written (together with updates of some already existing articles) to give appropriate complete coverage. The handbooks are intended to be of value and interest to research students, postdoctoral fellows and other researchers learning about the scientific area in question and undertaking relevant experiments, whether in academia or industry. Have the content of this handbook and the complete content of the Encyclopedia of Magnetic Resonance at your fingertips! Visit: www.wileyonlinelibrary.com/ref/emr
Author: S. K. Malik
Publisher: Nova Publishers
ISBN: 9781560721147
Category : Science
Languages : en
Pages : 746
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Book Description
Physical & Material Properties of High Temperature Superconductors
Author: S.K. Sarkar
Publisher: Elsevier
ISBN: 0080537596
Category : Science
Languages : en
Pages : 407
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Book Description
NMR has become the most diverse spectroscopic tool available to date in biomedical research. It is now routinely used to study biomolecular structure and dynamics particularly as a result of recent developments of a cascade of highly sophisticated multidimensional NMR pulse sequences, and of advances in genetic engineering to produce biomolecules, uniformly or selectively enriched with 13C, 15N and 2H. Features of this book: • Provides an up-to-date treatment of NMR techniques and their application to problems of biomedical interest • Most refined multidimensional pulse sequences including the basic aspects are covered by leading NMR spectroscopists. The book will be useful to NMR spectroscopists, biochemists, and to molecular biologists interested in the use of NMR techniques for solving biological problems.
Author: Antony J. Williams
Publisher: Royal Society of Chemistry
ISBN: 184973383X
Category : Science
Languages : en
Pages : 344
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Book Description
The first volume in a two-part set that discusses contemporary NMR approaches for the structure elucidation of natural products. It covers optimized hardware and experimental approaches.
