TITLE

Inversion domains in AlN grown on (0001) sapphire

AUTHOR(S)
Jasinki, J.; Liliental-Weber, Z.; Paduano, Q.S.; Weybourne, D.W.
PUB. DATE
October 2003
SOURCE
Applied Physics Letters;10/6/2003, Vol. 83 Issue 14, p2811
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Al-polarity inversion domains formed during AlN layer growth on (0001) sapphire were identified using transmission electron microscopy (TEM). They resemble columnar inversion domains reported for GaN films grown on (0001) sapphire. However, for AlN, these columns have a V-like shape with boundaries that deviate by 2°±0.5° from the c axis. TEM identification of these defects agrees with the post-growth surface morphology as well as with the microstructure revealed by etching in hot aqueous KOH. © 2003 American Institute of Physics.
ACCESSION #
10964890

 

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