Crenel Functions and Aperiodic Structure Determinations

Author: EVAIN MICHEL  

Publisher: Taylor & Francis Ltd

ISSN: 0015-0193

Source: Ferroelectrics, Vol.305, Iss.1, 2004-01, pp. : 43-48

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Abstract

In the modeling of modulated or composite structures, crenel functions proved to be very efficient on many occasions. After a brief summary on the theory and practice of crenel functions, illustrations are provided from both modulated and composite structures. An example is also given where the use of crenel function, although apparently applicable, is not appropriate.