Applications of Mossbauer Spectroscopy

List of Contributors

Preface

1 Elements of Mössbauer Spectroscopy

I. Introduction

II. Interpretation of Mössbauer Spectra

III. Experimental Techniques

IV. Limitations and Future Possibilities

References

Metallurgy

2 Ferrous Alloy Phase Transformations

I. Introduction

II. Mössbauer Spectra of Iron Alloys

III. Decomposition into Two Phases

IV. Order-Disorder

References

Colloid and Interface Chemistry

3 Corrosion and Interfacial Reactions

I. Introduction

II. Experimental Methods

III. Analytical Applications

IV. Particle Size of Corrosion Products

V. Solvated Corrosion Products

VI. Defect Structures of Corrosion Products

VII. Kinetics of Corrosion Processes

VIII. Passivity and Corrosion Inhibition

IX. Corrosion and Interfacial Reactions beneath a Coating

X. Stress Corrosion Cracking and Hydrogen Embrittlement

XI. Solid State Diffusion

XII. Conclusions

References

Biological Studies

4 Experimental Techniques for Biochemical Studies

I. Introduction

II. Intensity Problems

III. Cryostats and Sample Temperature

IV. Magnetic Fields

V. Physical State of Samples—Containment

References

5 Biological Iron Transport and Storage Compounds

I. Introduction

II. Iron Transport Compounds

III. Magnetic and Hyperfin e Interactions

IV. Paramagnetic Hyperfine Structure (PHS)

V. Magnetic Structure in Different Electronic Configurations of Iron

VI. Spin Hamiltonian with S' = 5/2 for High-Spin Ferric Ions

VII. Basis States and Calculation of Mössbauer Spectra in Small Fields

VIII. Experimental Studies of Iron Transport Proteins

IX. Iron Storage Proteins—Introduction

X. Superantiferromagnetism—Néel Theory

XI. Experimental Studies of Iron Storage Proteins

XII. Summary

References

6 Enzyme Systems

I. Introduction

II. Protocatechuic Acid 4,5-Oxygenase

III. Nitrogenase

IV. Cytochrome P450

V. Conclusion

References

Solid State Chemistry

7 Monitoring of Solid State Reactions

I. Introduction

II. Solid-Solid Reactions

III. Solid-Gas Reactions

IV. Thermal Decomposition of Solids

V. Summary and Conclusions

References

8 Analysis of Archaeological Artifacts

I. Introduction

II. Unfired and Fired Clays

III. Investigations of Ancient Pottery

IV. Summary and Outlook for Future Work

References

9 Analysis of Works of Art

I. Introduction

II. Mössbauer Effect by Transmission

III. Mössbauer Effect by Scattering

IV. Summary and Conclusions

References

10 Some Applications to Polymer Science

I. Introduction

II. Effect of Some Stabilizers of Polyethylene

III. Stabilization of Polyvinyl Chloride and Some of Its Organotin Derivatives

IV. Polymerization Processes and Structure of Catalytically Active Centers

V. Photochemical Processes

VI. Structure and Action Mechanisms of Catalytically Active Polyferrocene Derivatives and Pyropolymers

VII. Molecular Motions in Polymers and Monomers

VIII. Chemical Processes in Butyl Rubber Vulcanization

IX. Additional Remarks

X. Conclusion

References

Index