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Optical Spectroscopy of Lanthanides: Magnetic and Hyperfine Interactions represents the sixth and final book by the late Brian Wybourne, an accomplished pioneer in the spectroscopy of rare earth ions, and Lidia Smentek, a leading theoretical physicist in the field. The book provides a definitive and up-to-date theoretical description of spectroscopic properties of lanthanides doped in various materials. The book integrates computer-assisted calculations developed since Wybourne's classic publication on the topic. It contains useful Maple- routines, discussions, and new aspects of the theory of f-electron systems. Establishing a unified basis for understanding state-of-the-art applications and techniques used in the field, the book reviews fundamentals based on Wybourne's graduate lectures, which include the theory of nuclei, the theory of angular momentum, Racah algebra, and effective tensor operators. It then describes magnetic and hyperfine interactions and their impact on the energy structure and transition amplitudes of the lanthanide ions. The text culminates with a relativistic description of f↔f electric and magnetic dipole transitions, covering sensitized luminescence and a new parametrization scheme of f-spectra. Optical Spectroscopy of Lanthanides enables scientists to construct accurate and reliable theoretical models to elucidate lanthanides and their properties. This text is ideal for exploring a range of lanthanide applications including electronic data storage, lasers, superconductors, medicine, nuclear engineering, and nanomaterials.
Wybourne, Brian G.; Smentek, Lidia
Introduction. Notes on the Quantum Theory of Angular Momentum. Interactions in One- and Two-Electron Systems. Coupling Schemes of Angular Momenta. Fine Structure, Zeeman Effect, and Hyperfine Structure. Magnetic Hyperfine Structure. Intensities of Electronic Transitions. Hyperfine Interactions and Laser Cooling. Ions in Crystals. Some Aspects of Crystal Field Theory. Hyperfine Interactions in Cystals. Magnetic Interactions in f-electron Systems, Magnetic Hyperfine Interactions in Lanthanides. Electric Quadrupole Hyperfine Structure in Crystals. Electric Multipole Coupling Mechanism in Crystals. Electric Dipole f-f Transitions. Relativistic Effects. Magnetic Dipole Transitions in Crystals. Hyperfine-Induced Transitions. Numerical Analysis of Radial Terms. Luminescence of Lanthanide Doped Materials.
