The problem of calculating electronic band structures and properties has remained at the forefront of solid state research from the time when Wigner and Seitz first attempted to calculate the band structure and cohesive energy of metallic sodium. An indication of the scope and size of the band-structure problem can be gained from a glance at the published proceedings of a recent conference1 devoted solely to this topic. However, in spite of the enormous effort and attention accorded to this problem, the truth still remains that no single method for calculating band structures has been sufficiently developed to apply equally well to all materials.
KeywordsBand Structure Cohesive Energy Gallium Arsenide Electronic Band Structure Introductory Remark
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