The authors' aim is to present a review of experimental and theoretical research that has been done to establish and to explain the physical properties of actinide compounds. The book is aimed at physicists and chemists. It was thought useful to collect a large selection of diagrams of experimental data scattered in the literature. Experiment and theory are presented separately, with cross- references. Not all work has been included: rather, typical examples are discussed. We apologize to all researchers whose work has not been quoted. Since we report on an active field of research, clearly the data and their interpretation are subject to change. We benefitted greatly from discussions with many of our colleagues, particularly with Drs. G. H. Lander and W. Suski. The help of Mrs. C. Bovey and Ch. Lewis in the preparation of the manuscript, and the artwork and photo- graphic work of Ms. Y. Magnenat and E. Spielmann of the Institute of Experi- mental Physics of the University of Lausanne, are gratefully acknowledged. Our particular thanks are due to Ms. J. Ubby for her skillful and patient editorial work.
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Springer Science+Business Media
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978-0-306-41150-2 (9780306411502)
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Schweitzer Klassifikation
1. Introduction.- 2. Survey of Experimental Data.- 2.1. Experimental Techniques.- 2.1.1. Sample Preparation.- 2.1.2. Neutron Diffraction.- 2.1.3. Nuclear Magnetic Resonance.- 2.1.4. Mossbauer Resonance.- 2.1.5. Muon Spin Rotation (?SR).- 2.1.6. Other Experimental Techniques.- 2.2. NaCl-Type Metallic Actinide Compounds.- 2.2.1. General.- 2.2.2. Uranium Monophosphide.- 2.2.3. Uranium Monoarsenide.- 2.2.4. Uranium Mononitride.- 2.2.5. Uranium Antimonide.- 2.2.6. Uranium Monochalcogenides.- 2.2.7. Neptunium Carbide.- 2.2.8. Neptunium Monopnictides.- 2.2.9. Plutonium Compounds.- 2.2.10. Solid Solutions of Uranium Monopnictides and Monochalcogenides.- 2.3. UX2-Type and UXY-Type Tetragonal Uranium Compounds.- 2.4. A3X4-Type Metallic Actinide Compounds.- 2.5. Intermetallic Actinide Compounds.- 2.5.1. General.- 2.5.2. AX2-Type Intermetallics.- 2.5.3. AX3-Type Intermetallics.- 2.5.4. Miscellaneous Intermetallics.- 2.6. Actinide Oxides.- 2.6.1. Uranium Dioxide.- 2.6.2. UO2-ThO2 Solid Solutions.- 2.6.3. Other Uranium Oxides.- 2.6.4. Neptunium Dioxide.- 2.6.5. Intermetallic Oxides.- 2.7. Actinide Halides.- 2.7.1. Uranium Triiodide.- 2.7.2. Other Actinide Halides.- 2.8. Other Compounds.- 2.9. Spectroscopic Data on Actinide Ions.- 3. Survey of Theory.- 3.1. Localized Electron Theories.- 3.1.1. Assumptions of the Crystal-Field Model.- 3.1.2. Crystal-Field Theory.- 3.1.2a Mathematical Formulation.- 3.1.2b. The Coulomb Hamiltonian.- 3.1.2c. The Spin-Orbit Hamiltonian.- 3.1.2d. The Crystal-Field Hamiltonian.- 3.1.2e. Point Symmetry.- 3.1.2f. Matrix Elements of ?cf.- 3.1.2g. The Zeeman Hamiltonian.- 3.1.2h. Thermodynamic Averages.- 3.1.2i. Shielding.- 3.1.2j. Comments on the Crystal-Field Theory.- 3.1.3. Interionic Interactions.- 3.1.3a. Heisenberg Exchange.- 3.1.3b. Anisotropic Exchange.- 3.1.3c. Electric Multipole Interactions.- 3.1.3d. Biquadratic Exchange.- 3.1.3e. RKKY Exchange.- 3.1.3f. Coqblin-Schrieffer Exchange.- 3.1.4. Theories of First-Order Transitions Based on Localized Models.- 3.1.4a. Biquadratic Exchange.- 3.1.4b. Allen's Theory of UO2.- 3.1.4c. Theories of NpO2.- 3.1.4d. The Long-Wang Theory of UP.- 3.1.4e. Blume's Level-Crossing Theory.- 3.1.4f. A Theory of UI3.- 3.2. Theories Involving Itinerant Electrons.- 3.2.1. Band Calculations.- 3.2.1a. Introduction.- 3.2.1b. Actinide Metals.- 3.2.1c. NaCl-Type Actinide Compounds.- 3.2.2. Spin-Fluctuation Models.- 3.2.3. Electron Delocalization Model.- 3.3. A Theory Intermediate to the Localized and Band Models.- 3.4. Similarities between Mixed-Valence Rare Earths and Metallic Actinide Compounds.- Appendix A. Irreducible Tensor Operators.- Appendix B. Magnetic Structures.- References.- Author Index.
