The Kronig-Penney approximation: may it live on

TitleThe Kronig-Penney approximation: may it live on
Publication TypeJournal Article
Year of Publication1990
AuthorsDay, S. P., H. Zhou, and D. L. Pulfrey
JournalEducation, IEEE Transactions on
Volume33
Pagination355 -358
Date Publishednov.
ISSN0018-9359
Keywordsanalytical solutions, education, electrical engineering students, energy band structures, Kronig-Penney approximation, Kronig-Penney model, semiconductors, teaching
Abstract

The Kronig-Penney approximation is often used in introducing the concept of energy band structures in semiconductors to graduate electrical engineering students. The authors show that no essential information is lost in making this approximation. This fact, coupled with the approximation's recognized ability to produce analytical solutions to a difficult problem, leads the authors to conclude that it is premature to suggest the approximation is obsolete, as was suggested in a recent paper by A. Nussbaum (see ibid., vol.E-29, p.12-15, 1986)

URLhttp://dx.doi.org/10.1109/13.61089
DOI10.1109/13.61089

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