Lattice Matching and Relaxation of Vanadyl-Phthalocyanine Crystal Epitaxially Grown on Mixed Crystals of Alkali Halides
- 1 May 1997
- journal article
- Published by IOP Publishing in Japanese Journal of Applied Physics
- Vol. 36 (5B) , L622
- https://doi.org/10.1143/jjap.36.l622
Abstract
The lattice constants of vanadyl-phthalocyanine (VOPc) films epitaxially grown on KCl/KBr mixed-crystal substrates have been studied as a function of film thickness. The transmission electron diffraction pattern indicates that the films detached from the substrates have a constant lattice constant irrespective of that of the substrates and the orientation of the VOPc lattice. According to a reflection high-energy electron diffraction pattern, the VOPc film starts to grow under a lattice-matching condition at the first layer, but the lattice rapidly relaxes from the second layer. The acceptable lattice mismatch in this system is also discussed.Keywords
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