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Lattice Matching and Relaxation of Vanadyl-Phthalocyanine Crystal Epitaxially Grown on Mixed Crystals of Alkali Halides
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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.
Title: Lattice Matching and Relaxation of Vanadyl-Phthalocyanine Crystal Epitaxially Grown on Mixed Crystals of Alkali Halides
Description:
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.
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