Principles of Mössbauer SpectroscopySpringer Science & Business Media, 06/12/2012 - 254 من الصفحات The emergence of Mossbauer 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 penultima te draft. |
المحتوى
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References | 21 |
References | 43 |
Appendix Quadrupole splitting in cis and transisomers | 69 |
References | 100 |
References | 133 |
References | 157 |
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Alloys and Intermetallic Compounds | 182 |
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57Fe Mössbauer absorber alloy anion antiferromagnetic applied axial axis behaviour broadening cation Chapter Chem chemical isomer shift co-ordination complex compounds configuration covalent bonding crystal cubic decay decrease derivatives diamagnetic distorted Doppler effects electric field gradient electron electronic configuration emission energy environment example excited Fe2+ ions FeF2 ferredoxins ferromagnetic field gradient tensor geometry hyperfine interactions hyperfine splitting increase iron atoms iron(II isotope kJ mol-1 lattice ligands low-spin magnetic field magnetic flux density magnetic hyperfine splitting magnetically ordered matrix metal molecular molecule Mössbauer parameters Mössbauer resonance Mössbauer spectroscopy Mössbauer spectrum Néel temperature neighbours nuclear nucleus observed octahedral orbital oxidation oxygen paramagnetic phase Phys pole splitting quadru quadrupole interaction quadrupole splitting recoilless fraction relative relaxation result s-electron density sign of e2qQ solid spectra spin spinel structure symmetry temperature dependence tetrahedral thermal tion transition Transmission velocity Velocity/(mm Velocity/(mms-1 y-ray zero
