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Luminescence in Applied Magnetic Fields

Metal complexes and solids were synthesized and subjected to photoexcitation measurements under the influence of externally applied magnetic fields. The photoluminescence of complexes of rhodium (I) and iridium (I) displayed both field-induced emission bands and a many-fold shortening of the excited state lifetime. Both the decay rates and the induced emission band intensities showed a quadratic dependence on the applied field. A several fold shortening of the phosphorescence from the octaphosphitoplatinum (II) anion under an applied field (50 T) was also observed. Spectroscopic studies of several bis (N-heterocyclic) complexes of copper (I) were also concluded and complete group-theoretic assignments of the charge-transfer excited states were made. The technique of Thermal Modulation was perfected and applied to the study of the exited states of transition-metal complexes with near-degenerate emitting states.

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  • "Metal complexes and solids were synthesized and subjected to photoexcitation measurements under the influence of externally applied magnetic fields. The photoluminescence of complexes of rhodium (I) and iridium (I) displayed both field-induced emission bands and a many-fold shortening of the excited state lifetime. Both the decay rates and the induced emission band intensities showed a quadratic dependence on the applied field. A several fold shortening of the phosphorescence from the octaphosphitoplatinum (II) anion under an applied field (50 T) was also observed. Spectroscopic studies of several bis (N-heterocyclic) complexes of copper (I) were also concluded and complete group-theoretic assignments of the charge-transfer excited states were made. The technique of Thermal Modulation was perfected and applied to the study of the exited states of transition-metal complexes with near-degenerate emitting states."@en
  • "External fields (0-6 kG) applied to inorganic complexes of (nd)8 configurations were shown to produce macroscopic changes in luminescence frequencies and lifetimes. Frequency shifts of about 400/cm were observed. A theoretical study of the octaphosphitoplatinum(II) ion was completed that relates the changes in optical properties to the degree of spin-orbit coupling in the anion. A search for complexes of iridium(I) and rhodium(I) possessing energy level schemes propitious for observing large perturbations of optical properties by relatively small external fields was completed and revealed several promising candidates. The technique of thermal modulation spectroscopy was developed and applied to several types of complexes to evaluate them for future magnetic perturbation measurements."@en

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  • "Luminescence in Applied Magnetic Fields"@en

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