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Mossbauer spectroscopy: Principles and applications

A G Maddock, University of Cambridge and Fellow of St. Catherine’s College, UK

With theory in an unusual and refreshing style, this book presents sources, cryostats and texture, and thickness effects. Thorough and up-to-date, with the inclusion of mineralogical and biological systems.
Chemistry in Britain

Provides a critical survey of the methodology, uses and limitations of Mössbauer spectroscopy. It will interest graduate chemists, unacquainted with the scope of the technique, who wish to know how it might help them. The numerous applications discussed are primarily of interest to inorganic, biochemists and physical chemists.
Chemistry and Industry

 - 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

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.

ISBN 1 898563 16 0
ISBN-13: 978 1 898563 16 7
January 1997
272 pages  242 x 169mm  paperback  
£55.00 / US$95.00 / €65.00

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About the author

Alfred G Maddock, University of Cambridge and Fellow of St. Catherine’s College, UK

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Contents

Basis of Mössbauer spectroscopy
 - Resonance absorption and scattering
 - Mossbauer effect
 - Interaction of nucleus with orbital electrons
 - Interaction with the electric field
 - Interaction of nucleus with a magnetic field
 - Combined magnetic and quadrupole interaction

Practical aspects of the technique
 - General nature of technique
 - Sources
 - Detectors
 - Doppler modulation of photon energy
 - Calibration
 - Absorbers
 - Cryostats
 - Treatment of data

Further consideration of principles
 - Intensities and angular distributions
 - Intensities
 - Angular dependence
 - Departures from calculated values
 - The electric field gradient
 - Temperature dependence of parameters
 - Sign of the quadrupole splitting

Mössbauer spectroscopy in tin chemistry
 - Spectra of main group elements
 - Nuclear aspects of 119m Sn
 - General features of tin spectra
 - Isomer shifts in tin(IV) spectra
 - Isomer shifts in tin(I1) spectra
 - Quadrupole splitting in tin compounds
 - The recoil free fraction
 - Spectra in a matrix
 - Resumé of tin studies

Mössbauer spectroscopy in iron chemistry
 - Spectroscopy of transition elements
 - Nuclear considerations with 57Fe
 - General features of iron spectra
 - High spin iron compounds
 - Low spin iron compounds
 - Simple applications of o and a
 - Iron in high oxidation states
 - Iron in unusual spin states
 - Five coordinate iron complexes

Further consideration of magnetic effects
 - Hyperfine magnetic fields
 - Ordering in magnetic solids
 - Relaxation effects
 - Magnetic spectra from paramagnetic solids
 - Magnetically ordered systems
 - Magnetic dimensionality
 - Magnetic phase changes

Further features of iron spectra
 - Oxides and hydroxidcs
 - Spinels and mixed oxides
 - Lo oxidation state compounds
 - Mixed va1encc compounds: delocalization
 - Spin cross-over
 - Iron species in solution, on adsorbents and in matrices

CEMS and applications in mineralogy and biochemistry
 - Conversion electron Mossbauer spectroscopy
 - Reactions in the solid state
 - Applications to mineralogy and petrology
 - Amorphous materials
 - Applications in biochemistry and medicine
 - Haem proteins arid related compounds
 - Iron-sulphur proteins
 - Protein dynamics
 - Magnetite and other iron compounds in organisms
 - Comments on iron Mossbauer spectroscopy

Mössbauer spectroscopy of elements other than iron and tin
 - Iodine
 - Antimony
 - Tellurium
 - Xenon
 - Iridium
 - Gold
 - Ruthenium
 - Tungsten
 - Tantalum
 - Europium
 - Neptunium

Mössbauer emission spectroscopy
Emission spectroscopy
 - Synthesis in a matrix
 - Decay involving an Auger cascade
 - Co decay in metal halides
 - Oxide systems
 - Implantation stems