Moessbauer Spectroscopy

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M Ssbauer Spectroscopy

Author : N. N. Greenwood
ISBN : 9789400956971
Genre : Science
File Size : 45.73 MB
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Rudolph Mossbauer discovered the phenomenon of recoil-free nuclear resonance fluorescence in 1957-58 and the first indications of hyperfine interactions in a chemical compound were obtained by Kistner and Sunyar in 1960. From these beginnings the technique of Mossbauer spectroscopy rapidly emerged and the astonishing versatility of this new technique soon led to its extensive application to a wide variety of chemical and solid-state problems. This book reviews the results obtained by Mossbauer spectroscopy during the past ten years in the belief that this will provide a firm basis for the continued development and application of the technique to new problems in the future. It has been our aim to write a unified and consistent treatment which firstly presents the basic principles underlying the phenomena involved, then outlines the experimental techniques used, and finally summarises the wealth of experimental and theoretical results which have been obtained. We have tried to give some feeling for the physical basis of the Mossbauer effect with out extensive use of mathematical formalism, and some appreciation of the experimental methods employed without embarking on a detailed discussion of electronics and instrumentation. However, full references to the original literature are provided and particular points can readily be pursued in more detail if required.
Category: Science

M Ssbauer Spectroscopy

Author : Dominic P. E. Dickson
ISBN : 0521018102
Genre : Science
File Size : 20.93 MB
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Provides an assessment of the unique contribution that Mössbauer spectroscopy can make.
Category: Science

Spectroscopic Properties Of Inorganic And Organometallic Compounds

Author : G Davidson
ISBN : 9781847555021
Genre : Science
File Size : 38.16 MB
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Spectroscopic Properties of Inorganic and Organometallic Compounds provides a unique source of information on an important area of chemistry. Divided into sections mainly according to the particular spectroscopic technique used, coverage in each volume includes: NMR (with reference to stereochemistry, dynamic systems, paramagnetic complexes, solid state NMR and Groups 13-18); nuclear quadrupole resonance spectroscopy; vibrational spectroscopy of main group and transition element compounds and coordinated ligands; and electron diffraction. Reflecting the growing volume of published work in this field, researchers will find this Specialist Periodical Report an invaluable source of information on current methods and applications. Specialist Periodical Reports provide systematic and detailed review coverage in major areas of chemical research. Compiled by teams of leading experts in their specialist fields, this series is designed to help the chemistry community keep current with the latest developments in their field. Each volume in the series is published either annually or biennially and is a superb reference point for researchers.
Category: Science

Mossbauer Spectroscopy

Author : A. G. Maddock
ISBN : 9781782420606
Genre : Science
File Size : 54.10 MB
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Mossbauer spectroscopy has proved itself a versatile technique, finding applications in diverse areas of science and industry. Starting from physics and chemistry it spread into biochemistry, mineralogy, biochemistry, corrosion science, geochemistry and archaeology, with applications in industrial and scientific research. The author aims to help advanced university students, professionals and research workers who ask the question "what's in it for us?". After a concise account of experimental techniques, he emphasizes those applications in which there are few, if any, alternative ways of obtaining the same information about electron fields and the nuclei. He explains areas of industrial interest, including the important applications related to tin and iron on which there is much activity in research and development, and interprets the extension of Mossbauer techniques to main group, transitional and other suitable elements. Attention is paid to factors which may lead to misinterpretation of spectra and another chapter covers the complexities of interpreting emission spectra. Discusses the appearance of Mossbauer spectroscopy in biochemistry, mineralogy, biochemistry, corrosion science, geochemistry and archaeology, with applications in industrial and scientific research Emphasizes the applications in which there are few, if any, alternative ways of obtaining the same information about electron fields and the nuclei Attention is paid to the complexities of interpreting emission spectra and the factors which may lead to misinterpretation of spectra
Category: Science

Moessbauer Spectroscopy Studies Of Iron Catalysts Used In Fischer Tropsch Ft Processes Quarterly Technical Progress Report January March 1995

Author :
ISBN : OCLC:871264462
Genre :
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Moessbauer spectroscopy investigations were carried out on 14 iron-based catalysts during the period under review. The catalyst 100Fe/4.4Si/0.71K (all atomic ratios) was subjected to activation first in syngas and subsequently in CO gas atmosphere. Fischer-Tropsch (FT) synthesis was carried out on the above catalyst. Another catalyst 100Fe/4.4Si/2.6Cu/0.71K (all atomic ratios) activated in syngas and subjected to FT synthesis was also studied to understand the effect of added Cu on the phase distribution and its effect on the FT activity. The following trends were observed: (1) activation of the catalyst in syngas, H2/CO, lead to the formation of Fe3O4 and no carbides were formed, the FT activity was found to be low at 9--12% (H2+CO) conversion; (2) activation of the catalyst in CO for 22hrs lead to the formation of 33% of [chi]-carbide and the FT activity was found to be high at 88% maximum; (3) addition of copper to the catalyst has improved the FT activity for those catalysts pretreated in syngas at elevated pressures.

M Ssbauer Spectroscopy

Author : Yutaka Yoshida
ISBN : 9783642322204
Genre : Science
File Size : 69.77 MB
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Tutorials on Mössbauer Spectroscopy Since the discovery of the Mössbauer Effect many excellent books have been published for researchers and for doctoral and master level students. However, there appears to be no textbook available for final year bachelor students, nor for people working in industry who have received only basic courses in classical mechanics, electromagnetism, quantum mechanics, chemistry and materials science. The challenge of this book is to give an introduction to Mössbauer Spectroscopy for this level. The ultimate goal of this book is to give this audience not only a scientific introduction to the technique, but also to demonstrate in an attractive way the power of Mössbauer Spectroscopy in many fields of science, in order to create interest among the readers in joining the community of Mössbauer spectroscopists. This is particularly important at times where in many Mössbauer laboratories succession is at stake. This book will be used as a textbook for the tutorial sessions, organized at the occasion of the 2011 International Conference on the Application of Mössbauer Spectroscopy (ICAME2011) in Tokyo.
Category: Science

M Ssbauer Spectroscopy Applied To Inorganic Chemistry

Author : G.J Long
ISBN : 9781489904621
Genre : Science
File Size : 67.74 MB
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When presented with a new compound or material, the inorganic chemist will usually have several questions in mind about its composition and structure. Although a simple elemental analysis may answer many questions about its composition, the chemist will still have questions about its structure, and, ifthe material contains a metal atom, he will often want to know its oxidation state, coordination number and geometry. Further, at an increasingly frequent rate, the chemist may need details of the spin state, magnetic and perhaps dynamic properties of the material. If the investigator is fortunate, the material or compound may contain an ele ment such as iron, tin, antimony, iodine, gold, or one of several of the rare earth metals which are amenable to study by the Mossbauer effect. Often the Mossbauer effect can, sometimes with quite simple experiments, provide the answers to all of these questions. The goal of this book is to illustrate the effectiveness of the Mossbauer effect in providing the answers to the many questions that arise in char acterizing new materials and, indeed, in studying known materials in more detail. Several chapters introduce the effect to the novice and provide details about the various hyperfine interactions that are the "bread and butter" of the Mossbauer spectroscopist. Three chapters deal specifically with the experimental aspects of the technique and the increasing impor tance of sophisticated computer analysis of the resulting data.
Category: Science

M Ssbauer Spectroscopy And Its Applications

Author : T. E. Cranshaw
ISBN : 0521315212
Genre : Science
File Size : 69.52 MB
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The technique of Mössbauer spectroscopy is important in the study of the bonding, structural, magnetic, nuclear and dynamical properties of various systems. Although used mainly by physicists and chemists, the method has also become a common means of investigation for materials scientists, geologists, biologists, surface scientists and others. This book describes the principles of the technique, and discusses its applications in various fields. It will be invaluable for anyone using the technique of Mössbauer spectroscopy for the first time.
Category: Science

M Ssbauer Spectroscopy And Transition Metal Chemistry

Author : Philipp Gütlich
ISBN : 3540884289
Genre : Science
File Size : 75.54 MB
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concentrates on teaching techniques using as much theory as needed. application of the techniques to many problems of materials characterization. Mössbauer spectroscopy is a profound analytical method which has nevertheless continued to develop. The authors now present a state-of-the art book which consists of two parts. The first part details the fundamentals of Mössbauer spectroscopy and is based on a book published in 1978 in the Springer series 'Inorganic Chemistry Concepts' by P. Gütlich, R. Link and A.X. Trautwein. The second part covers useful practical aspects of measurements, and the application of the techniques to many problems of materials characterization. The update includes the use of synchroton radiation and many instructive and illustrative examples in fields such as solid state chemistry, biology and physics, materials and the geosciences, as well as industrial applications. Special chapters on magnetic relaxation phenomena (S. Morup) and computation of hyperfine interaction parameters (F. Neese) are also included. The book concentrates on teaching the technique using theory as much as needed and as little as possible. The reader will learn the fundamentals of the technique and how to apply it to many problems of materials characterization. Transition metal chemistry, studied on the basis of the most widely used Mössbauer isotopes, will be in the foreground.
Category: Science

M Ssbauer Spectroscopy

Author : Virender K. Sharma
ISBN : 9781118771976
Genre : Science
File Size : 86.64 MB
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Providing a modern update of the field, Mossbauer Spectroscopy focuses on applications across a broad range of fields, including analysis of inorganic elements, nanoparticles, metalloenzymyes, biomolecules (including proteins), glass, coal, and iron. Ideal for a broad range of scientists, this one-stop reference presents advances gained in the field over past two decades, including a detailed theoretical description of Mossbauer spectroscopy, an extensive treatment of Mossbauer spectroscopy in applied areas, and challenges and future opportunities for the further development of this technique.
Category: Science

M Ssbauer Spectroscopy In Materials Science

Author : Marcel Miglierini
ISBN : 0792356403
Genre : Technology & Engineering
File Size : 48.54 MB
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Material science is one of the most evolving fields of human activities. Invention and consequent introduction of new materials for practical and/or technological purposes requires as complete knowledge of the physical, chemical, and structural properties as possible to ensure proper and optimal usage of their new features. In order to understand the macroscopic behaviour, one has to search for their origin on a microscopic level. A good deal of microscopic information can be obtained through hyperfine interactions. Mossbauer spectroscopy offers a unique possibility for hyperfine interaction studies via probing the nearest order of resonant atoms. Materials which contain the respective isotope as one of the constituent elements (e.g., iron, tin, ... ) but also those which even do not contain them can be investigated. In the latter case, the probe atoms are incorporated into the material of interest in minor quantities (ca. 0.1 at. %) to act as probes on a nuclear level. This Workshop has covered the most evolving topics in the field of Mossbauer spectroscopy applied to materials science. During four working days, SO participants from 19 countries discussed the following areas: Chemisliy, Mineralogy and Metallurgy, Artificia/~y Structured Materials, Nanosized Materials and Quasicrvstals. and Experimental Techniques and Data Processing. A total of 42 contributions (30 keynote talks) reviewed the current state of art of the method, its applications for technical purposes, as well as trends and perspectives. A total of 39 papers are included in the present volume. Applications in Chemisfr\'.
Category: Technology & Engineering

Applied M Ssbauer Spectroscopy

Author : Sachinath Mitra
ISBN : UCSD:31822016250318
Genre : Analytical geochemistry
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Category: Analytical geochemistry

Applications Of M Ssbauer Spectroscopy

Author : Richard L. Cohen
ISBN : 9781483271071
Genre : Science
File Size : 83.97 MB
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Applications of Mössbauer Spectroscopy, Volume II is a collection of essays that discusses the range of problems being studied using the Mössbauer spectroscopy investigatory technique. The book presents the role of this technique in oxygen transport and storage material. It demonstrates the use of Mössbauer spectroscopy in the analysis of phases and states in metallic system. The text also describes the experimental studies of superparamagnetic relaxation. It discusses the magnetic fluctuations in diamagnetically substituted iron oxides and the magnetic field dependence of Mössbauer spectra of small particles. The section that follows describes the hyperfine field of surface atoms. The book will provide valuable insights for scientists, chemists, students, and researchers in the field of metallurgy.
Category: Science

Principles Of M Ssbauer Spectroscopy

Author : T. C. Gibb
ISBN : 9781489930231
Genre : Technology & Engineering
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The emergence of M6ssbauer spectroscopy as an important experi mental technique for the study of solids has resulted in a wide range of applications in chemistry, physics, metallurgy and biophysics. This book is intended to summarize the elementary principles of the technique at a level appropriate to the advanced student or experienced chemist requiring a moderately comprehensive but basically non-mathematical introduction. Thus the major part of the book is concerned with the practical applications of Mossbauer spectroscopy, using carefully selected examples to illustrate the concepts. The references cited and the bibliography are intended to provide a bridge to the main literature for those who subseouent ly require a deeper knowledge. The text is complementary to the longer research monograph, 'Mossbauer Spectroscopy', which was written a few years ago in co-authorship with Professor N.N. Greenwood, and to whom I am deeply indebted for reading the preliminary draft of the present volume. I also wish to thank my many colleagues over the past ten years, and in particular Dr. R. Greatrex, for the many stimu lating discussions which we have had together. However my greatest debt is to my wife, who not only had to tolerate my eccen tricities during the gestation period, but being a chemist herself was also able to provide much useful criticism of the penultirna te draft.
Category: Technology & Engineering