![]() A key aspect of the structural evolution with increasing Al and O (z in the formula) is to understand how these elements are distributed on the β-Si3N4 framework. Described by the chemical formula β-Si6−zAlzOzN8−z, from a compositional viewpoint, these materials can be regarded as solid solutions between Si3N4 and Al3O3N. SiAlON ceramics, solid solutions based on the Si3N4 structure, are important, lightweight structural materials with intrinsically high strength, high hardness, and high thermal and chemical stability. This is followed by a study to understand structural ordering in the framework of the commercial green-emitting phosphor material, β-Si6−zAlzOzN8−z, as a function of Al content. ![]() The following dissertation begins with an introduction to the fundamentals of solid state lighting, phosphors, and a summary of some recent advances in the field. ![]() ![]() Inorganic phosphor materials play a crucial role in the creation of white light from blue and near-UV solid-state sources, and understanding the intricacies of phosphor structure is key to set the stage for improved, more efficient functionality. ![]()
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