Structures of polytypoids in AIN crystals containing oxygen

Yanfa Yan, Masami Terauchi, Michiyoshi Tanaka

Research output: Contribution to journalArticlepeer-review

15 Citations (Scopus)


Polytyoid structures in the AIN crystals containing oxygen were investigated by electron diffraction and high-resolution electron microscopy. The polytypoids were revealed to consist of flat and corrugated inversion domains. The flat inversion domain boundaries were found to have three different interfacial structures. The distance between two neighbouring flat inversion domain boundaries was found to be either 5c or (5 ± 0.5)c, where c is the lattice parameter along the c axis of the wurtzite 2H-A1N crystal. Structural models which explain well the electron diffraction patterns and high-resolution electron microscopy images of the polytypoids are proposed.

Original languageEnglish
Pages (from-to)1027-1040
Number of pages14
JournalPhilosophical Magazine A: Physics of Condensed Matter, Structure, Defects and Mechanical Properties
Issue number4
Publication statusPublished - 1998 Apr


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